EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

isobutyric acid
2-methylpropionic acid

Sponsors

Flavor Demo Formulas
Name:2-methylpropanoic acid
CAS Number: 79-31-2Picture of molecule3D/inchi
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:No longer provide for the use of these seven synthetic flavoring substances
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.
 
Physical Properties:
Appearance:colorless clear liquid (est)
Assay: 99.00 to 100.00
Food Chemicals Codex Listed: Yes
Specific Gravity:0.94400 to 0.94800 @ 25.00 °C.
Pounds per Gallon - (est).: 7.855 to 7.888
Refractive Index:1.39200 to 1.39500 @ 20.00 °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)
 
Organoleptic Properties:
Odor Type: acidic
Odor Strength:medium ,
recommend smelling in a 1.00 % solution or less
Substantivity:8 hour(s) at 100.00 %
acidic sour cheesy dairy buttery rancid
Odor Description:at 1.00 % in propylene glycol. acidic sour cheese dairy buttery rancid
Odor sample from: Sigma-Aldrich
Natural odor sample from: Harrmann & Reimer Corporation
Flavor Type: acidic
acidic sour cheesy cheesy limburger cheese dairy creamy
Taste Description: acidic sour cheesy limburger cheese dairy creamy
Odor and/or flavor descriptions from others (if found).
Frutarom
ISOBUTYRIC ACID
Odor Description:Acidic, Cheese, Rancid, Sour
Suggested Uses: Bakery, Cheese, Dairy Products, Vegetables
Sigma-Aldrich
Isobutyric acid, ≥99%, FCC, FG
Odor Description:butter; strawberry
Ernesto Ventós
IsoBUTYRIC ACID
Odor Description:RANCID, CHESSE, BUTTER
Lluch Essence
isoBUTYRIC ACID
Odor Description:ACIDIC, BITTER, RANCID BUTTER
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: buffering agents
 
Suppliers:
Advanced Biotech
ISOBUTYRIC ACID NATURAL
98% min.
Odor: Rancid, Cheese
Alfrebro
ISOBUTYRIC ACID (EU NAT)
Odor: Rancid
Alfrebro
ISOBUTYRIC ACID NATURAL
Odor: Rancid
Ambles Nature et Chimie
ACIDE ISOBUTYRIQUE NAT
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
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
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
Naturamole
isobutyric acid 98% natural EU
Odowell Co.,ltd
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
TCI AMERICA
For experimental / research use only.
isoButyric Acid >99.0%(GC)
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
 
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
 
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
 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: --
 
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
View page or View pdf

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
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 22, Revision 1 (FGE.22Rev1): Ring-substituted phenolic substances from chemical groups 21 and 25
View page or View pdf

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
View page or View pdf

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
View page or View pdf

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
 
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
 
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
Formulations/Preparations:
grade: technical
 
Potential Blenders and core components note
For Odor
acidic
cyclohexyl acetic acid
FL/FR
2-
ethyl butyric acid
FL/FR
2-
methyl butyric acid
FL/FR
2-
methyl-2-pentenoic acid
FL/FR
aldehydic
acetyl nonyryl
FL/FR
balsamic
cinnamyl benzoate
FL/FR
bready
coffee furanone
FL/FR
buttery
acetoin
FL/FR
acetyl butyryl
FL/FR
acetyl isobutyryl
FL/FR
acetyl propionyl
FL/FR
butyl butyryl lactate
FL/FR
butyl octanoate
FL/FR
2,3-
heptane dione
FL/FR
3,4-
hexane dione
FL/FR
caramellic
alpha,alpha-
dimethyl anisyl acetone
FL/FR
levulinic acid
FL/FR
cheesy
butyric acid
FL/FR
2-
methyl hexanoic acid
FL/FR
S-(
methyl thio) butyrate
FL/FR
2-
methyl valeric acid
FL/FR
2-
methyl-2-hexenoic acid
FR
iso
valeric acid
FL/FR
valeric acid
FL/FR
coconut
coconut decanone methyl
FR
delta-
decalactone
FL/FR
gamma-
nonalactone (aldehyde C-18 (so-called))
FL/FR
gamma-
octalactone
FL/FR
delta-
octalactone
FL/FR
coumarinic
epsilon-
decalactone
FL/FR
creamy
butyl lactate
FL/FR
para-
vanillic acid
FL/FR
waxy lactone
FL/FR
earthy
3-
octanol
FL/FR
fatty
butyl undecylenate
FL/FR
(Z)-
dairy lactone
FL/FR
hexanoic acid
FL/FR
4-
methyl octanoic acid
FL/FR
octanoic acid
FL/FR
floral
benzyl lactate
FL/FR
jasmin pyranone
FL/FR
linalyl butyrate
FL/FR
fruity
acetoin acetate
FL/FR
cyclohexyl carboxylic acid
FL/FR
gamma-
decalactone
FL/FR
ethyl lactate
FL/FR
filbert hexenone
FL/FR
4-
heptanone
FL/FR
methyl (Z)-5-octenoate
FL/FR
methyl 4-methyl valerate
FL/FR
2-
methyl butyl isovalerate
FL/FR
methyl valerate
FL/FR
prenyl hexanoate
FL/FR
prenyl isobutyrate
FL/FR
sorbyl butyrate
FL/FR
fungal
1-
decen-3-ol
FL/FR
green
iso
butyl methyl ketone
FL/FR
(Z)-4-
heptenal
FL/FR
(Z)-4-
heptenal diethyl acetal
FL/FR
(Z)-3-
hexen-1-yl butyrate
FL/FR
(E)-2-
hexenal
FL/FR
mushroom
1-
octen-3-yl butyrate
FL/FR
nutty
2-
ethyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
soapy
ethyl undecanoate
FL/FR
tropical
delta-
dodecalactone
FL/FR
waxy
butyl laurate
FL/FR
5(6)-
decenoic acid
FL/FR
ethyl laurate
FL/FR
2-
methyl heptanoic acid
FL/FR
nonanoic acid
FL/FR
2-
nonanol
FL/FR
delta-
tetradecalactone
FL/FR
2-
tridecanone
FL/FR
undecanoic acid
FL/FR
For Flavor
No flavor group found for these
benzyl lactate
FL/FR
butyl octanoate
FL/FR
cinnamyl benzoate
FL/FR
6-
decenoic acid
FL
alpha,alpha-
dimethyl anisyl acetone
FL/FR
2,5-
dithiahexane
FL
ethyl cyclohexyl carboxylate
FL
(E,E)-2,4-
heptadien-1-ol
FL
heptanal 2,3-butane diol acetal
FL
(Z)-3-
hexenoic acid
FL
3-
methyl crotonic acid
FL
5-
methyl hexanoic acid
FL
3-(
methyl thio) hexanal
FL
S-
methyl thiopropionate
FL
4-
methyl valeric acid
FL
prenyl hexanoate
FL/FR
prenyl isobutyrate
FL/FR
sodium 4-methyl-2-oxovalerate
FL
3-(
methyl thio) methyl thiophene
FL
acidic
acidic
2-
ethyl butyric acid
FL/FR
levulinic acid
FL/FR
valeric acid
FL/FR
aldehydic
acetyl nonyryl
FL/FR
alliaceous
3-
tetrahydrothiophenone
FL
bitter
glyceryl tributyrate
FL
buttery
butyroin
FL
diacetyl
FL
2,3-
heptane dione
FL/FR
3,4-
hexane dione
FL/FR
2-
methyl valeric acid
FL/FR
(E)-2-
pentenoic acid
FL
caramellic
creme brulee flavor
FL
3-
methyl butyl 2-furyl butyrate
FL
pyruvaldehyde
FL
cheesy
(E)-2,4-
dimethyl-2-pentenoic acid
FL
hexanoic acid
FL/FR
3-
hydroxy-5-methyl-2-hexanone
FL
iso
valeric acid
FL/FR
coconut
delta-
decalactone
FL/FR
gamma-
nonalactone (aldehyde C-18 (so-called))
FL/FR
delta-
octalactone
FL/FR
creamy
acetoin
FL/FR
acetoin butyrate
FL
acetyl butyryl
FL/FR
acetyl isobutyryl
FL/FR
butyl butyryl lactate
FL/FR
cream
cheese flavor
FL
custard flavor
FL
5(6)-
decenoic acid
FL/FR
5,5-
dibutyl dihydrofuran-2(3H)-one
FL
delta-
dodecalactone
FL/FR
jasmin pyranone
FL/FR
2-
methyl-4-pentenoic acid
FL
para-
vanillic acid
FL/FR
waxy lactone
FL/FR
dairy
butyl lactate
FL/FR
methyl (Z)-5-octenoate
FL/FR
4-
pentenoic acid
FL
earthy
1-
decen-3-ol
FL/FR
fatty
(Z)-
dairy lactone
FL/FR
diacetyl trimer
FL
dimethyl sulfoxide
FL
4-
methyl octanoic acid
FL/FR
nonanoic acid
FL/FR
(E)-2-
octenoic acid
FL
2-
tridecanone
FL/FR
(E,E)-2,4-
undecadienal
FL
fermented
methyl thio isovalerate
FL
floral
linalyl butyrate
FL/FR
fruity
acetoin acetate
FL/FR
acetyl isovaleryl
FL
blueberry cheesecake flavor
FL
cyclohexyl carboxylic acid
FL/FR
gamma-
decalactone
FL/FR
ethyl lactate
FL/FR
filbert hexenone
FL/FR
4-
heptanone
FL/FR
methyl 4-methyl valerate
FL/FR
2-
methyl butyl isovalerate
FL/FR
2-
methyl butyric acid
FL/FR
methyl valerate
FL/FR
sorbyl butyrate
FL/FR
green
iso
butyl methyl ketone
FL/FR
(Z)-4-
heptenal
FL/FR
(Z)-4-
heptenal diethyl acetal
FL/FR
(Z)-3-
hexen-1-yl butyrate
FL/FR
(E)-2-
hexenal
FL/FR
lactonic
gamma-
octalactone
FL/FR
meaty
2-
methyl 3-(methyl thio) furan
FL
mushroom
1-
octen-3-yl butyrate
FL/FR
musty
S-(
methyl thio) butyrate
FL/FR
3-
octanol
FL/FR
nutty
coffee furanone
FL/FR
2-
ethyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
oily
2-
methyl hexanoic acid
FL/FR
soapy
octanoic acid
FL/FR
sour
acetic acid
FL
butyric acid
FL/FR
2,4-
dimethyl-2-pentenoic acid
FL
3-
methyl valeric acid
FL
2-
methyl-2-pentenoic acid
FL/FR
sulfurous
methyl 4-(methyl thio) butyrate
FL
sweet
cyclohexyl acetic acid
FL/FR
toasted
acetyl propionyl
FL/FR
vanilla
vanilla
ice cream flavor
FL
waxy
butyl laurate
FL/FR
butyl undecylenate
FL/FR
epsilon-
decalactone
FL/FR
ethyl laurate
FL/FR
ethyl undecanoate
FL/FR
2-
methyl heptanoic acid
FL/FR
2-
nonanol
FL/FR
delta-
tetradecalactone
FL/FR
undecanoic acid
FL/FR
 
Potential Uses:
FLapple
FLbeer
FLbread
FLbutter
FLbutterscotch
FLcaramel
FRchamomile
FLcheese
FLcream
FLdairy
 fruit
FL/FRvalerian
FLvanilla
FLvegetable
FLyeast
 
Occurrence (nature, food, other):note
 apricot fruit
Search Trop Picture
 arnica root
Search Trop Picture
 bay laurel leaf
Search Trop Picture
 bread
Search PMC Picture
 bread white bread
Search PMC 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 PMC Picture
 dairy
Search PMC Picture
 fruits
Search PMC 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 PMC Picture
 wine
Search PMC Picture
 
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
 

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.
 
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.
Please share your Comments.
Email Address:
Top of Page Home
Copyright © 1980-2018 The Good Scents Company (tgsc) ™ Disclaimer Privacy Policy