isobutyric acid
2-methylpropionic acid
 
Notes:
Present in apple, morello cherry, guava fruit, wine grapes, pineapple, crispbread, other breads, cheeses, wines, scallop and several essential oils, e.g. Roman chamomile. Acid and simple esters used as flavouring agents Isobutyric acid is a carboxylic or short chain fatty acid with characteristic sweat-like smell. Small amount of isobutyrate is generated via microbial (gut) metabolism. Small amounts may also be found in certain foods or fermented beverages. There is anosmia (genetic inability to smell) for the odor of isobutyric acid with a frequency of about 2.5%. (OMIM 207000). Isobutyric acid is slightly soluble in water but much more soluble in ethanol, ether and organic solvents. Isobutyric acid can affect people if breathed in and may be absorbed through the skin. Contact can irritate and burn the skin and eyes. Breathing Isobutyric acid can irritate the nose, throat and lungs causing coughing, wheezing and/or shortness of breath.; Isobutyric acid is an isomer of n-butyric acid; they have the same chemical formula C4H8 O2 but a different structure.; Isobutyric acid, also known as 2-methylpropanoic acid, is a carboxylic acid with structural formula (CH3)2-CH-COOH. It is found in the free state in carobs (Ceratonia siliqua) and in the root of Arnica dulcis, and as an ethyl ester in croton oil.
  • Advanced Biotech
  • Alfrebro
    • Alfrebro LLC
      Let's get reacquainted
      Building great taste with aroma chemicals, extracts, and distillates
      The Alfrebro brand was established in the early 1900s by Alex Fries & Brothers, a Cincinnati Flavor Company. In 1980, the brand was re-launched as an aroma chemical manufacturer. Since its inception, Alfrebro’s primary focus has been to provide quality natural and high value synthetic chemicals.
      Email: Sarah Forbis
      Email: Sales
      Voice: 513-539-3021
      Fax: 513-539-7372
      US Voice: 513-539-7373
      Newsroom
      Product(s):
      ISOBUTYRIC ACID NATURAL
      ISOBUTYRIC ACID (EU NAT)
       
  • Axxence Aromatic
    • Axxence Aromatic GmbH
      We bring nature to your flavour
      Dedicated to provide the best possible quality and supply service of natural aroma ingredients.
      Axxence Aromatic is entirely dedicated to provide the best possible quality and supply service of natural aroma ingredients to the Flavour & Fragrance Industry worldwide.
      Email: Service
      Voice: +49.2822.68561.0
      Fax: +49.2822.68561.39
      Sustainability
      Products List: View
      Product(s):
      222200 isoBUTYRIC ACID Natural Kosher
       
  • Beijing Lys Chemicals
    • Beijing Lys Chemicals Co, LTD.
      From Grams to Tons
      Fine chemical high-tech company which contains R&D, production, and sales.
      BEIJING LYS CHEMICALS CO, LTD, established in 2004, is a fine chemical high-tech company which contains R&D, production, and sales. We mainly engaged in export and technology development of flavor and fragrance materials and pharmaceutical intermediates. We have nearly 500 kinds of products, from grams to tons, exported to USA, Europe, South Asia and etc. And we custom manufacture new products according to customers’ needs, and serve good quality products and service. Our goal is to become a fine chemical enterprise which could provide special products and services.
      Email: Mr. Jia
      Email: Mr. Guo
      Voice: 86-10-68418738
      Fax: 86-10-68418739
      Mr. Guo86-10-68483445
      Mr. Guo86-10-68418739
      News
      Product(s):
      10460 isoButyric acid
       
  • Charkit Chemical
    • Charkit Chemical Corporation
      The Specialty Chemical Specialists
      Explore this website to discover the products and services that Charkit provides for your industry and please contact us directly to find out how we can be of service to you.
      Since 1982, Charkit has been committed to expanding the markets we serve and our roster of products and services continues to grow with us. Personal care ingredients now include a substantial array of luxury and exotic components. Substantial inroads have been made in the nutraceutical and resins markets, with a growing roster of versatile and unique ingredients. And we continue to lead the way in our traditional markets such as Metal and Water Treatment, Imaging, Flavor & Fragrance, Aroma and Food. Our Pharmaceutical offerings continue to expand, still anchored by the Boronic Derivatives that meet the demands of Suzuki coupling reactions.
      Email: Sales
      Voice: 203-299-3220
      Fax: 203-299-1355
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      Products List: View
      Product(s):
      ISOBUTYRIC ACID FEMA 2222
       
  • ECSA Chemicals
    • ECSA Chemicals
      International trading and distribution
      ECSA Group offers its customers in these business segments a complete 'one-stop shopping' solution.
      A hundred years on from its establishment, the Emanuele Centonze Holding SA has developed a solid presence in Switzerland and in Europe. The Group currently includes: ECSA Chemicals AG/ECSA Italia SRL Società con Unico Socio – ECSA Maintenance AG – ECSA Energy SA – Porta Ticino Easy Stop SA. The Group operates in the distribution of chemical and petroleum products, in the international trading of commodities, and in the distribution of maintenance systems. With 285 employees, a consolidated turnover of 335 million Swiss Francs in 2015, and more than 15,000 active customers, the Group ranks among the top 500 companies in Switzerland. ECSA operates in Switzerland and the EU, and in particular has consolidated its geographical position on the main axis linking northern and southern Europe, thus creating a competitive and privileged logistical hub.
      Email: Info
      Email: Sales
      Email: Trading
      Email: Maintenance
      Email: Energy
      Voice: +41 91 695 88 00
      Fax: +41 91 695 88 01
      Linkedin
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      RSS Feed
      ECSA Trade
      Company Profile
      Products List: View
      Product(s):
      isoButyric Acid
       
  • Elan Inc.
    • Elan Inc.
      Legacy of Innovation
      Highest quality natural and synthetic products.
      Elan Inc. is a privately held business that has been in operation for over 30 years. Our offices and production facility are located in Newark, NJ. We are dedicated to producing the highest quality natural and synthetic products available in the flavor and fragrance industry.
      US Email: Mr. David Pimentel
      US Email: Ms. Isabel Couto
      Email: Elan (Shanghai) Fine Chemical
      Email: Elan do Brazil
      US Voice: (973) 344-8014
      US Fax: (973) 344 -5880
      Voice: +86 021 57448053 (Elan Shanghai)
      Fax: +86 021 57448054 (Elan Shanghai)
      Elan do Brazil:55 13 3261 6084
      Elan do Brazil Fax:55 13 3261 3726
      Custom Solutions
      Product(s):
      isobutyric acid (natural), Kosher
       
  • ENNOLYS
  • Excellentia International
    • Excellentia International
      Ingredients by Nature
      Exceptional quality and excellence in meeting our customers requirements.
      Excellentia International was founded in 2010 through the merger of Excellentia Flavors LLC and Polarome International. Collectively, these companies account for more than one hundred years of industry experience, and are recognized for exceptional quality and excellence in meeting our customers’ requirements.
      Email: Info
      Email: Sales
      Email: Regulatory
      Voice: 732.749.9840
      Our Services
      Product(s):
      isoButyric Acid Natural
       
  • FCI SAS
    • FCI SAS
      Inspired by Nature
      At FCI customer service is not a department it’s an attitude.
      Our team is composed of motivated professionals with great experience in the flavours and fragrances market. Our company has been serving this industry for more than 40 years and is ISO 9001 certified since 2009 . Whatever your question on flavour and fragrance ingredients: commercial, technical or regulatory – we will answer it very quickly.
      Email: Info
      Email: Philippe Faucher
      Voice: +33 (0)1 34 25 58 10
      Fax: + 33 1 34 25 58 18
      News
      Product(s):
      30008 ISOBUTYRIC ACID NATURAL EU
       
  • Fleurchem
    • Fleurchem, Inc.
      Have A Flavorful Day
      A leading global manufacturer and supplier of ingredients for Flavors, Fragrances, AromaTherapy, Foods, Beverages, Personal Care Products, and other uses.
      Operating out of the 200,000 sq. ft., former Hercules/PFW facility in Middletown, NY; Fleurchem produces a full range of natural isolates, synthetic chemicals & specialities, essential oils and flavors. Additionally, the company performs toll manufacturing, as well as custom chemical synthesis for a wide range of clients.
      Email: Information
      US Voice: 845-341-2100
      US Fax: 845-341-2121
      Product(s):
      isobutyric acid natural
       
  • Frutarom
    • Frutarom Ltd
      Discover Our Passion
      Your preferred partner for flavour and fragrance success.
      At Frutarom, we take pride in our expertise and knowledge of Flavour & Fragrance Ingredients and our thorough understanding of the needs of Flavourists, Perfumers and Food Technologists. Working closely with our customers we have a strong track record of providing unique solutions to fulfil requirements.
      US Email: Info- USA
      Email: Info - UK
      Voice: +44 (0) 1429 863 222
      US Voice: +1 513 870 4900
      Products List: View
      Product(s):
      I1200-9 ISOBUTYRIC ACID ≥99.00%, NI, Kosher
      Suggested Uses: Bakery, Cheese, Dairy Products, Vegetables
       
       
  • H. Interdonati, Inc.
    • H. Interdonati, Inc.
      Innovative products
      Because your flavors and fragrances are only as good as their source "Since 1952"
      H. Interdonati, Inc. began in 1952 with the tradition of delivering quality pharmaceuticals and fine chemical ingredients at competitive prices. The mission was simple: To provide the most reliable, personal service in the industry.
      Email: Info
      US Email: Info
      Email: Sales
      US Email: Andrew Interdonati (Sales)
      Voice: 800 367-6617
      Fax: 631 367-6626
      Featured Products
      Product(s):
      isoButyric Acid Natural, Kosher
       
  • Indukern F&F
  • Lluch Essence
    • Lluch Essence S.L.
      A family company dedicated to sales and distribution
      Flexibility, availability, price and quality.
      Flexibility, availability, price and quality make LLUCH ESSENCE S.L. one of Europe’s references when it comes to essential oils and aroma chemicals, and it is now well known all around the world.
      Email: Info
      Voice: 34 93 379 38 49
      Fax: 34 93 370 65 04
      Linkedin
      Product(s):
      isoBUTYRIC ACID
      isoBUTYRIC ACID NATURAL
       
  • M&U International
    • M&U International LLC
      Steady supply & demand
      Meeting customers increasing demands at home as well as abroad.
      M&U dedicates itself to the development and production of new products as well as continuously promoting those new products. We’ve maintained a steady supply&demand relationship with a large number of manufacturers at home and abroad. We’ve developed an extensive network and because of our relationships with these manufacturers, we’re able to provide a stable supply of great quality materials. We’re located in China’s largest communications hub, Shanghai and in the U.S. near one of the largest sea ports on the East Coast. The strategic locations of our facilities ensure convenient, prompt and secure delivery of our products to our customers. We warmly welcome your inquiries, come witness our solemn commitment for yourself.
      Email: Sales
      US Email: Sales
      Voice: +86-21-32515501 60762991 60762992
      Fax: +86-21-32515502 64204960
      US Voice: 908-359-9000
      US Fax: 908-359-9002
      News
      Product(s):
      N0082 NAT.ISOBUTYRIC ACID, Kosher
      A0420 isoBUTYRIC ACID
       
  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
      US Email: Technical Services
      US Email: Sales
      US Voice: (973) 740-2300
      US Fax: (973) 740-1839
      Product(s):
      09-46300 ISOBUTYRIC ACID, Kosher
      09-46301 ISOBUTYRIC ACID, NATURAL, Kosher
       
  • Prodasynth
    • Prodasynth
      Made in Grasse
      Chemical specialist in manufacturing, distributing and sourcing of tailor-made ingredients for the Flavour & Fragrance industry.
      Today we are also proud to say, we have created an important range of Natural Molecules which can be found in our Raw Material Compendium. The versatility of our small but efficient structure is one of our main strengths when trying to fulfill our clients' requirements.
      Email: Info:
      Email: Karine Cohen
      Voice: (33) 4 93 09 00 11
      Fax: (33) 4 22 13 07 38
      New Catalog
      Products List: View
      Product(s):
      isoBUTYRIC ACID > 99,5
       
  • Robertet
    • Robertet, Inc.
      HOME OF NATURE, SEED TO SCENT
      HOME OF NATURE – natural ingredients from the source.
      Robertet is a leader in the production of natural ingredients with facilities in France, Bulgaria, Turkey, South Africa, India, China, New Caledonia,… Founded in 1850, Robertet remains a family owned business (5th Generation) and one of the largest producers of aromatic extracts. Brand acquisitions include: Charabot, Sapad, Hitex.
      US Email: Customer service
      US Email: Arnaud Adrian
      Email: Flavor:
      Email: Fragrance:
      Voice: 33 4 93 40 33 66
      Fax: 33 4 93 70 68 09
      US Voice: +1.201.337.7100
      +1 212 710 4600Robertet New York Creative Center
      +1 212 245 4092Robertet New York Creative Center
      Facebook
      Twitter
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      Videos
      Vimeo
      Crop Calendar
      Product(s):
      100228 isoBUTYRIC ACID Pure & Nat (EU)
       
  • Sigma-Aldrich
  • SRS Aromatics
    • SRS Aromatics Ltd
      For over 25 years
      Bringing flavour and fragrance into your world.
      As suppliers / distributors of ingredients to the fragrance and flavour industries, our goal is to provide high quality materials at competitive prices with an exceptional level of service. Established in 1984, SRS Aromatics Ltd is an independent family owned business which has become very well-respected within the fragrance and flavour industry as a reliable and trustworthy partner. Over the years this has allowed the company to develop strong relationships with many global manufacturers; several of whom we represent in the UK. A core aim of our business is to work extremely closely with both our suppliers and customers to maximise service levels with minimum disruption to supply.
      Email: Info
      Email: Sales
      Voice: +44 (0) 1284 704076
      Fax: +44 (0) 1284 760819
      Twitter
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      News
      Product(s):
      isoBUTYRIC ACID
       
  • Sunaux International
    • Sunaux International
      Buy With Confidence
      We have industry leading processes and procedures to ensure nothing but the most reliable product.
      Sunaux International was founded in 2012 by the owner Mr.John Felton after spending 18 years involved in developing global business in the aromatic chemicals, fragrance and flavour compounds business.
      Email: John Felton
      Email: Stephen Zhou (Sales)
      Voice: 0512-57995626
      Fax: 0512-57570299
      Sales0512-57995626
      Sales0512-57570299
      News
      Product(s):
      N0091 nat.isoButyric Acid
       
  • Taytonn
    • TAYTONN PTE LTD
      Supplying Asia Pacific
      We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service.
      Since 2001 TAYTONN has been distributing key ingredients to the Fragrance and Flavor industry in Asia. We work closely with customers, principals and vendors. Together we forecast demand and match it with supply of aroma chemicals, essential oils and natural isolates & extracts. Sourced from around the world, our F&F ingredient inventory in Singapore is ready to ship to any location in Asia and beyond. Time and again, we help our principals introduce new discoveries to the F&F market - stimulating creativity and bringing value added proposition to our customers.
      Email: Info
      Email: Sales
      Voice: + 65 - 6861 8113
      Fax: + 65 - 6861 8115
      Product(s):
      isoButyric Acid
       
  • Treatt
    • Treatt PLC
      Innovative ingredient solutions
      World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries.
      We offer innovative and trend-setting product concepts for our customers, collaborating with them to create true value for their products.
      Email: Enquiries
      US Email: Enquiries
      Voice: +44 (0) 1284 702500
      Fax: +44 (0) 1284 703809
      US Voice: +1 863 668 9500
      US Fax: +1 863 668 3388
      News
      Product(s):
      isoButyric Acid
       
  • Ernesto Ventós
Synonyms   Articles   Notes   Search
    Flavor Demo Formulas
2-methylpropanoic acid (Click)
CAS Number: 79-31-2Picture of molecule
ECHA EINECS - REACH Pre-Reg: 201-195-7
FDA UNII: 8LL210O1U0
Nikkaji Web: J3.840G
Beilstein Number: 0635770
MDL: MFCD00002658
CoE Number: 6
XlogP3-AA: 0.80 (est)
Molecular Weight: 88.10616000
Formula: C4 H8 O2
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 253  isobutyric acid
Flavis Number: 08.006 (Old)
DG SANTE Food Flavourings: 08.006  2-methylpropionic acid
FEMA Number: 2222  isobutyric acid
FDA Mainterm: ISOBUTYRIC ACID
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart F--Flavoring Agents and Related Substances
Sec. 172.515 Synthetic flavoring substances and adjuvants.
Synonyms   Articles   Notes   Search   Top
Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: Yes
Specific Gravity: 0.94600 @  25.00 °C.
Melting Point: -47.00 to  -46.00 °C. @ 760.00 mm Hg
Boiling Point: 153.00 to  154.00 °C. @ 760.00 mm Hg
Boiling Point: 85.00 to  86.00 °C. @ 50.00 mm Hg
Vapor Pressure: 1.810000 mm/Hg @ 25.00 °C.
Vapor Density: 3.0 ( Air = 1 )
Flash Point: 132.00 °F. TCC ( 55.56 °C. )
logP (o/w): 0.940
Soluble in:
 alcohol
 fixed oils
 glycerin
 propylene glycol
 water, 1 part to 5 parts water
 water, 167000 mg/L @ 20 °C (exp)
Synonyms   Articles   Notes   Search   Top
Organoleptic Properties:
Odor Type: acidic
Odor Strength: medium ,
recommend smelling in a 1.00 % solution or less
 acidic  sour  cheesy  dairy  buttery  rancid  
Odor Description:
at 1.00 % in propylene glycol. 
acidic sour cheese dairy buttery rancid
Natural odor sample from: Harrmann & Reimer Corporation
 acidic  sour  cheesy  cheesy limburger cheese  dairy  creamy  
Taste Description:
acidic sour cheesy limburger cheese dairy creamy
Substantivity: 8 Hour(s)
  
Synonyms   Articles   Notes   Search   Top
Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: buffering agents
Synonyms   Articles   Notes   Search   Top
Suppliers:
Advanced Biotech
ISOBUTYRIC ACID NATURAL
98% min.
Odor: Rancid, Cheese
Alfrebro
ISOBUTYRIC ACID (EU NAT)
Odor: Rancid
Alfrebro
ISOBUTYRIC ACID NATURAL
Odor: Rancid
Astral Extracts
IsoButyric Acid
Aurochemicals
isoBUTYRIC ACID, Natural
Axxence Aromatic
isoBUTYRIC ACID Natural
Kosher
Sustainability
Beijing Lys Chemicals
isoButyric acid
Charkit Chemical
ISOBUTYRIC ACID FEMA 2222
Diffusions Aromatiques
ACIDE ISOBUTYRIQUE
Eastman Chemical
Eastman™ Isobutyric Acid
Odor: characteristic
Use: Eastman™ Isobutyric Acid ((CH3)2CHCOOH) is a colorless, medium boiling liquid. Esters of isobutyric acid are used as solvents for various applications where desirable odors and flavor characteristics are important. The potassium salt of isobutyric acid is effective as a solubility promoter in the caustic extraction of mercaptans from sour petroleum stocks.
ECSA Chemicals
isoButyric Acid
Company Profile
Elan Inc.
isobutyric acid
(natural), Kosher
EMD Millipore
For experimental / research use only.
isoButyric Acid
ENNOLYS
isoButyric acid
Natural (EU,US), Kosher & Halal
Odor: sharp, rancid
Ernesto Ventós
IsoBUTYRIC ACID
Odor: RANCID, CHESSE, BUTTER
Excellentia International
isoButyric Acid Natural
FCI SAS
ISOBUTYRIC ACID NATURAL EU
Odor: Acidic cheesy
Fleurchem
isobutyric acid natural
Frutarom
ISOBUTYRIC ACID
≥99.00%, NI, Kosher
Odor: Acidic, Cheese, Rancid, Sour
Use: Suggested Uses: Bakery, Cheese, Dairy Products, Vegetables
Grau Aromatics
isoBUTYRIC ACID
H. Interdonati, Inc.
isoButyric Acid Natural, Kosher
Featured Products
Indenta Group
isoButyric Acid
Indukern F&F
ISOBUTYRIC ACID
Odor: ACID, BITTER, CHEESE
CROP CALENDAR
Inoue Perfumery
isoBUTYRIC ACID
Kunshan Sainty
isoButyric Acid, Natural
Lluch Essence
isoBUTYRIC ACID NATURAL
Lluch Essence
isoBUTYRIC ACID
Odor: ACIDIC, BITTER, RANCID BUTTER
M&U International
isoBUTYRIC ACID
M&U International
NAT.ISOBUTYRIC ACID, Kosher
Mane
isobutyric acid
Pearlchem Corporation
Natural isoButyric Acid
Penta International
ISOBUTYRIC ACID, Kosher
Penta International
ISOBUTYRIC ACID, NATURAL, Kosher
Prodasynth
isoBUTYRIC ACID > 99,5
Odor: RANCID, CHEESE, BUTTER
Reincke & Fichtner
isoButyric Acid natural
Robertet
isoBUTYRIC ACID
Pure & Nat (EU)
Sigma-Aldrich
Isobutyric acid, ≥99%, FCC, FG
Odor: butter; strawberry
Certified Food Grade Products
Sigma-Aldrich
Isobutyric acid, natural, ≥99%, FCC, FG
Odor: butter; strawberry
SRS Aromatics
isoBUTYRIC ACID
Sunaux International
nat.isoButyric Acid
Taytonn
isoButyric Acid
Odor: Acidic, Cheese, Rancid, Sour
Treatt
isoButyric Acid
Vigon International
Isobutyric Acid Natural
Odor: STRONG, PENETRATING ODOR OF RANCID BUTTER
Vigon International
Isobutyric Acid
Odor: STRONG, PENETRATING ODOR OF RANCID BUTTER
WEN International
ISOBUTYRIC ACID Natural
Synonyms   Articles   Notes   Search   Top
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 21/22 - Harmful in contact with skin and if swallowed.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50  280 ul/kg
American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

Dermal Toxicity:
skin-rabbit LD50 500 ul/kg
American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

Inhalation Toxicity:
Not determined
Synonyms   Articles   Notes   Search   Top
Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for isobutyric acid usage levels up to:
  0.0500 % in the fragrance concentrate.
 
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 3
Click here to view publication 3
 average usual ppmaverage maximum ppm
baked goods: -38.00000
beverages(nonalcoholic): -4.10000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -470.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: -30.00000
fish products: --
frozen dairy: -12.00000
fruit ices: -12.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -41.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
Synonyms   Articles   Notes   Search   Top
Safety References:
European Food Safety Authority (EFSA) reference(s):
Flavouring Group Evaluation 1, Revision 1 (FGE.01Rev 1): Branched-chain aliphatic saturated aldehydes, carboxylic acids and related esters of primary alcohols and branched-chain carboxylic acids from chemical groups 1 and 2 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission
View page or View pdf
Flavouring Group Evaluation 47, (FGE.47)[1] - Bicyclic secondary alcohols, ketones and related esters from chemical group 8 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf
Flavouring Group Evaluation 10, Revision 1 (FGE10 Rev1)[1] - Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC)
View page or View pdf
Flavouring Group Evaluation 20, Revision 1 (FGE.20Rev1): Benzyl alcohols, benzaldehydes, a related acetal, benzoic acids and related esters from chemical group 23
View page or View pdf
Flavouring Group Evaluation 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20
View page or View pdf
Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 13Rev1: Furfuryl and furan derivatives with and without additional side-chain substituents and heteroatoms from chemical group 14
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 20, Revision 2 (FGE.20Rev2): Benzyl alcohols, benzaldehydes, a related acetal, benzoic acids, and related esters from chemical groups 23 and 30
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Flavouring Group Evaluation 01 Rev2 (FGE.01 Rev2): Branched-chain aliphatic saturated aldehydes, carboxylic acids and related esters of primary alcohols and branched-chain carboxylic acids from chemical groups 1 and 2
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Scientific Opinion on Flavouring Group Evaluation 22, Revision 1 (FGE.22Rev1): Ring-substituted phenolic substances from chemical groups 21 and 25
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Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
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Scientific Opinion on Flavouring Group Evaluation 20, Revision 3(FGE.20Rev3): Benzyl alcohols, benzaldehydes, a related acetal, benzoic acids, and related esters from chemical groups 23 and 30
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EPI System: View
NIOSH International Chemical Safety Cards: search
NLM Hazardous Substances Data Bank: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 79-31-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6590
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 2529
WGK Germany: 1
 2-methylpropanoic acid
Chemidplus: 0000079312
EPA/NOAA CAMEO: hazardous materials
RTECS: 79-31-2
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References:
 2-methylpropanoic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 79-31-2
Pubchem (cid): 6590
Pubchem (sid): 134971401
Flavornet: 79-31-2
Pherobase: View
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
CHEBI: View
CHEMBL: View
Metabolomics Database: Search
UM BBD: Search
KEGG (GenomeNet): C02632
HMDB (The Human Metabolome Database): HMDB01873
FooDB: FDB003277
YMDB (Yeast Metabolome Database): YMDB01320
Export Tariff Code: 2915.90.1800
Haz-Map: View
Typical G.C.
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
Read: Under the conditions of intended use - New developments in the FEMA GRAS program and the safety assessment of flavor ingredients
Read: A GRAS assessment program for flavor ingredients
Read: Sensory testing for flavorings with modifying properties. Food Technology
Read: Criteria for the safety evaluation of flavoring substances
Read: A procedure for the safety evaluation of natural flavor complexes used as ingredients in food: essential oils
Read: FEMA Expert Panel: 30 Years of safety evaluation for the flavor industry
Read: Consumption ratio and food predominance of flavoring materials
Formulations/Preparations:
grade: technical
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Potential Blenders and core components note
 
For Odor
acidic
 cyclohexyl acetic acidFL/FR
2-ethyl butyric acidFL/FR
2-methyl butyric acidFL/FR
2-methyl-2-pentenoic acidFL/FR
aldehydic
 acetyl nonyrylFL/FR
balsamic
 cinnamyl benzoateFL/FR
bitter
5(6)-decenoic acidFL/FR
bready
 coffee furanoneFL/FR
buttery
 acetoinFL/FR
 acetyl butyrylFL/FR
 acetyl isobutyrylFL/FR
 acetyl propionylFL/FR
 butyl butyryl lactateFL/FR
 butyl octanoateFL/FR
2,3-heptane dioneFL/FR
3,4-hexane dioneFL/FR
caramellic
alpha,alpha-dimethyl anisyl acetoneFL/FR
 levulinic acidFL/FR
cheesy
 butyric acidFL/FR
2-methyl hexanoic acidFL/FR
S-(methyl thio) butyrateFL/FR
2-methyl valeric acidFL/FR
2-methyl-2-hexenoic acidFR
isovaleric acidFL/FR
 valeric acidFL/FR
coconut
 coconut decanone methylFR
delta-decalactoneFL/FR
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
gamma-octalactoneFL/FR
delta-octalactoneFL/FR
coumarinic
epsilon-decalactoneFL/FR
 butyl lactateFL/FR
para-vanillic acidFL/FR
 waxy lactoneFL/FR
earthy
3-octanolFL/FR
fatty
 butyl undecylenateFL/FR
(Z)-dairy lactoneFL/FR
 hexanoic acidFL/FR
4-methyl octanoic acidFL/FR
 octanoic acidFL/FR
floral
 benzyl lactateFL/FR
 jasmin pyranoneFL/FR
 linalyl butyrateFL/FR
fruity
 acetoin acetateFL/FR
 cyclohexyl carboxylic acidFL/FR
gamma-decalactoneFL/FR
 ethyl lactateFL/FR
 filbert hexenoneFL/FR
4-heptanoneFL/FR
 methyl (Z)-5-octenoateFL/FR
 methyl 4-methyl valerateFL/FR
2-methyl butyl isovalerateFL/FR
 methyl valerateFL/FR
 prenyl hexanoateFL/FR
 prenyl isobutyrateFL/FR
 sorbyl butyrateFL/FR
fungal
1-decen-3-olFL/FR
green
isobutyl methyl ketoneFL/FR
(Z)-4-heptenalFL/FR
(Z)-4-heptenal diethyl acetalFL/FR
(Z)-3-hexen-1-yl butyrateFL/FR
(E)-2-hexenalFL/FR
mushroom
1-octen-3-yl butyrateFL/FR
nutty
2-ethyl pyrazineFL/FR
 nutty quinoxalineFL/FR
soapy
 ethyl undecanoateFL/FR
tropical
delta-dodecalactoneFL/FR
waxy
 butyl laurateFL/FR
 ethyl laurateFL/FR
2-methyl heptanoic acidFL/FR
 nonanoic acidFL/FR
2-nonanolFL/FR
delta-tetradecalactoneFL/FR
2-tridecanoneFL/FR
 undecanoic acidFL/FR
 
For Flavor
 
No flavor group found for these
 benzyl lactateFL/FR
 butyl octanoateFL/FR
 cinnamyl benzoateFL/FR
6-decenoic acidFL
alpha,alpha-dimethyl anisyl acetoneFL/FR
2,5-dithiahexaneFL
 ethyl cyclohexyl carboxylateFL
(E,E)-2,4-heptadien-1-olFL
 heptanal 2,3-butane diol acetalFL
(Z)-3-hexenoic acidFL
3-methyl crotonic acidFL
5-methyl hexanoic acidFL
3-(methyl thio) hexanalFL
S-methyl thiopropionateFL
4-methyl valeric acidFL
 prenyl hexanoateFL/FR
 prenyl isobutyrateFL/FR
 sodium 4-methyl-2-oxovalerateFL
3-(methyl thio) methyl thiopheneFL
acidic
2-ethyl butyric acidFL/FR
 levulinic acidFL/FR
 valeric acidFL/FR
aldehydic
 acetyl nonyrylFL/FR
alliaceous
3-tetrahydrothiophenoneFL
bitter
 glyceryl tributyrateFL
buttery
 butyroinFL
 diacetylFL
2,3-heptane dioneFL/FR
3,4-hexane dioneFL/FR
2-methyl valeric acidFL/FR
(E)-2-pentenoic acidFL
delta-tetradecalactoneFL/FR
caramellic
 creme brulee flavorFL
3-methyl butyl 2-furyl butyrateFL
 pyruvaldehydeFL
cheesy
(E)-2,4-dimethyl-2-pentenoic acidFL
 hexanoic acidFL/FR
3-hydroxy-5-methyl-2-hexanoneFL
isovaleric acidFL/FR
coconut
delta-decalactoneFL/FR
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
delta-octalactoneFL/FR
creamy
 acetoinFL/FR
 acetoin butyrateFL
 acetyl butyrylFL/FR
 acetyl isobutyrylFL/FR
 butyl butyryl lactateFL/FR
cream cheese flavorFL
 custard flavorFL
5(6)-decenoic acidFL/FR
5,5-dibutyl dihydrofuran-2(3H)-oneFL
delta-dodecalactoneFL/FR
 jasmin pyranoneFL/FR
2-methyl-4-pentenoic acidFL
para-vanillic acidFL/FR
 waxy lactoneFL/FR
dairy
 butyl lactateFL/FR
 methyl (Z)-5-octenoateFL/FR
4-pentenoic acidFL
earthy
1-decen-3-olFL/FR
fatty
(Z)-dairy lactoneFL/FR
 diacetyl trimerFL
 dimethyl sulfoxideFL
4-methyl octanoic acidFL/FR
 nonanoic acidFL/FR
(E)-2-octenoic acidFL
2-tridecanoneFL/FR
(E,E)-2,4-undecadienalFL
fermented
 methyl thio isovalerateFL
floral
 linalyl butyrateFL/FR
fruity
 acetoin acetateFL/FR
 acetyl isovalerylFL
 blueberry cheesecake flavorFL
 cyclohexyl carboxylic acidFL/FR
gamma-decalactoneFL/FR
 ethyl lactateFL/FR
 filbert hexenoneFL/FR
4-heptanoneFL/FR
 methyl 4-methyl valerateFL/FR
2-methyl butyl isovalerateFL/FR
2-methyl butyric acidFL/FR
 methyl valerateFL/FR
 sorbyl butyrateFL/FR
green
isobutyl methyl ketoneFL/FR
(Z)-4-heptenalFL/FR
(Z)-4-heptenal diethyl acetalFL/FR
(Z)-3-hexen-1-yl butyrateFL/FR
(E)-2-hexenalFL/FR
lactonic
gamma-octalactoneFL/FR
meaty
2-methyl 3-(methyl thio) furanFL
mushroom
1-octen-3-yl butyrateFL/FR
musty
S-(methyl thio) butyrateFL/FR
3-octanolFL/FR
nutty
 coffee furanoneFL/FR
2-ethyl pyrazineFL/FR
 nutty quinoxalineFL/FR
oily
2-methyl hexanoic acidFL/FR
soapy
 octanoic acidFL/FR
sour
 acetic acidFL
 butyric acidFL/FR
2,4-dimethyl-2-pentenoic acidFL
3-methyl valeric acidFL
2-methyl-2-pentenoic acidFL/FR
sulfurous
 methyl 4-(methyl thio) butyrateFL
sweet
 cyclohexyl acetic acidFL/FR
toasted
 acetyl propionylFL/FR
vanilla
vanilla ice cream flavorFL
waxy
 butyl laurateFL/FR
 butyl undecylenateFL/FR
epsilon-decalactoneFL/FR
 ethyl laurateFL/FR
 ethyl undecanoateFL/FR
2-methyl heptanoic acidFL/FR
2-nonanolFL/FR
 undecanoic acidFL/FR
 
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Potential Uses:
 appleFL
 beerFL
 breadFL
 butterFL
 butterscotchFL
 caramelFL
 chamomile 
 cheeseFL
 creamFL
 dairyFL
 fruit 
 valerianFL/FR
 vanillaFL
 vegetable 
 yeast 
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 apricot fruit
Search Trop  Picture
 arnica root
Search Trop  Picture
 bay laurel leaf
Search Trop  Picture
 bread
Search  Picture
 bread white bread
Search  Picture
 burdock root
Search Trop  Picture
 carob bean
Search Trop  Picture
 carrot plant
Search Trop  Picture
 cayenne sap
Search Trop  Picture
 celery leaf
Search Trop  Picture
 celery plant
Search Trop  Picture
 celery shoot
Search Trop  Picture
 chamomile oil @ 0.03%
Data  GC  Search  Picture
 chamomile roman chamomile
Search Trop  Picture
 cheese bleu cheese
Search  Picture
 dairy
Search  Picture
 fruits
Search  Picture
 masterwort
Search Trop  Picture
 pepper bell pepper fruit
Search Trop  Picture
 peppermint leaf
Search Trop  Picture
 peppermint oil
Search Trop  Picture
 raspberry red raspberry fruit
Search Trop  Picture
 rue leaf
Search Trop  Picture
 strawberry jam
Search  Picture
 vinegar
Search  Picture
 wine
Search  Picture
Synonyms   Articles   Notes   Search   Top
Synonyms:
isobutanoic acid
isobuttersaeure
nat.isobutyric acid
isobutyric acid (natural)
isobutyric acid natural
isobutyric acid, natural
 cenex RP b2
 dimethyl acetic acid
2,2-dimethylacetic acid
 kyselina isomaselna
2-methyl propanoic acid
alpha-methyl propanoic acid
2-methyl propionic acid
alpha-methyl propionic acid
2-methyl-propanoic acid
2-methylpropanoic acid
a-methylpropanoic acid
 methylpropanoic acid, 2-
2-methylpropionic acid
a-methylpropionic acid
 propanoic acid, 2-methyl-
 propionic acid, 2-methyl-
isopropyl formic acid
isopropylformic acid
 tenox EBP 2
 tenox IBP-2
Synonyms   Articles   Notes   Search   Top
Articles:
PubMed: Comparison of fermented soybean paste (Doenjang) prepared by different methods based on profiling of volatile compounds.
PubMed: Microbiological, chemical, and sensory characteristics of Swiss cheese manufactured with adjunct Lactobacillus strains using a low cooking temperature.
PubMed: Characteristic volatiles from young and aged fruiting bodies of wild Polyporus sulfureus (Bull.:Fr.) Fr.
PubMed: Removal of odorous compounds from poultry manure by microorganisms on perlite - bentonite carrier.
PubMed: Characterization of protein hydrolysis and odor-active compounds of fish sauce inoculated with Virgibacillus sp. SK37 under reduced salt content.
PubMed: The effect of protease and nonstarch polysaccharide enzymes on manure odor and ammonia emissions from finisher pigs.
PubMed: HS-SPME-GC-MS analysis of body odor to test the efficacy of foot deodorant formulations.
PubMed: Characterization of selected South African young cultivar wines using FTMIR spectroscopy, gas chromatography, and multivariate data analysis.
PubMed: Deodorization of swine manure slurry using horseradish peroxidase and peroxides.
PubMed: Chemical communication in Chagas disease vectors. Source, identity, and potential function of volatiles released by the metasternal and Brindley's glands of Triatoma infestans adults.
PubMed: [Development of reference standards for preferential evaluation of odors].
PubMed: Olfactory sensitivity in humans: genetic versus environmental control.
PubMed: Lability of odor pleasantness: influence of mere exposure.
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