3-phenyl propionic acid
  • 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
  • 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
      10480 3-Phenylpropionic acid
  • CTC Organics
    • CTC Organics
      For More Than 40 Year
      Your source for rare aroma chemicals for the flavor and fragrance industy.
      “The world is run by middle men.” The number of times I have heard Dr. Liu utter those words are innumerable. He loved reciting and recording famous quotes and had many of his own. Among his many talents, Dr. Liu had a unique genius in the area of chemistry. He had an uncanny understanding of the pulse of the chemical industry and was a superb salesman.
      US Email: Customer Service
      US Voice: (404) 524-6744
      US Fax: (404) 577-1651
      W1712 3-phenyl propionic acid
  • 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
  • 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
      A0129 3-PHENYLPROPIONIC ACID, Kosher
  • Penta International
  • SAFC Global
    • SAFC
      Complete Supply Chain
      The perfect blend of products and services that bring your creativity to life.
      Sigma-Aldrich is a leading Life Science and High Technology company dedicated to providing high-quality, safe and certified flavor ingredients with transparent and easily accessible documentation to customers around the globe. Sigma-Aldrich also provides a suite of analytical tools that allow food analysts to simplify sample preparation, cleanup and analysis steps, while increasing sensitivity to trace ingredients and harmful substances to meet regulations and quality standards.
      Email: Information
      US Email: Sales
      US Voice: 800-244-1173
      US Fax: 800-368-4661
      W288918 3-Phenylpropionic acid ≥99%, Kosher
  • Sunaux International
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3-phenylpropanoic acid (Click)
CAS Number: 501-52-0
ECHA EC Number: 207-924-5
Beilstein Number: 0907515
MDL: MFCD00002771
FEMA Number: 2889
CoE Number: 32
XlogP3: 1.80 (est)
Molecular Weight: 150.17710000
Formula: C9 H10 O2
BioActivity Summary: listing
NMR Predictor: Predict
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
IBM Patents: Obtain
Pubchem Patents: Search
PubMed: Search
NCBI: Search
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
JECFA Food Flavoring: 646  3-phenylpropionic acid
Flavis Number: 08.032 (Old)
EU SANCO Food Flavourings: 08.032  3-phenylpropionic acid

FEMA Number: 2889  3-phenylpropionic acid
FDA Regulation:
Subpart F--Flavoring Agents and Related Substances
Sec. 172.515 Synthetic flavoring substances and adjuvants.
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Physical Properties:
Appearance: white crystals (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.07100 @  25.00 °C.
Melting Point: 47.00 to  50.00 °C. @ 760.00 mm Hg
Boiling Point: 280.00 °C. @ 760.00 mm Hg
Boiling Point: 169.00 to  170.00 °C. @ 28.00 mm Hg
Vapor Pressure: 0.002000 mm/Hg @ 25.00 °C. (est)
Flash Point: > 230.00 °F. TCC ( > 110.00 °C. )
logP (o/w): 1.840
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Organoleptic Properties:
Odor Type: floral
Odor Strength: medium ,
recommend smelling in a 1.00 % solution or less
Odor Description:
at 1.00 % in dipropylene glycol. 
sweet fatty rose musk cinnamon
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Cosmetic Information:
None found
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Beijing Lys Chemicals
3-Phenylpropionic acid
CTC Organics
3-phenyl propionic acid
Hydrocinnamic acid
For experimental / research use only.
Inoue Perfumery
Kunshan Sainty
3-Phenylpropionic Acid, Natural
Lluch Essence
M&U International
M&U International
Pearlchem Corporation
Natural 3-Phenylpropionic Acid
Penta International
Penta International
SAFC Global
3-Phenylpropionic acid
≥99%, Kosher
Odor: rose; sweet
Sunaux International
3-Phenylpropionic Acid
Sunaux International
nat.3-Phenylpropionic Acid
WEN International
Xiamen Doingcom Chemical
3-Phenylpropionic Acid
For experimental / research use only.
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
None - None found.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-mouse LD50  > 1600 mg/kg
Unusual study design. Study not considered valid for the derivation of an LD50 value.
(Schafer & Bowles, 1985)

intraperitoneal-mouse LD50  1202 mg/kg
Yakugaku Zasshi. Journal of Pharmacy. Vol. 104, Pg. 793, 1984.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for 3-phenyl propionic acid usage levels up to:
  0.5000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 20.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.50 (μg/capita/day)
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: -17.00000
beverages(nonalcoholic): 0.020001.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.480001.00000
fruit ices: 0.480001.00000
gelatins / puddings: -1.20000
granulated sugar: --
gravies: --
hard candy: 0.800004.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: -2.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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Safety References:
European Food Safety Athority(efsa): Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of cinnamyl derivatives used as flavor ingredients.View pdf
EPI System: View
Chemicalize.org: Calculate predicted properties
Chemical Carcinogenesis Research Information System: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 501-52-0
EPA ACToR: Toxicology Data
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 3-phenylpropanoic acid
DTP/NCI: 9272
Chemidplus: 0000501520
RTECS: DA8600000 for cas# 501-52-0
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 3-phenylpropanoic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 501-52-0
Pubchem (cid): 107
Pubchem (sid): 134978372
Flavornet: 501-52-0
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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
Golm Metabolome Database: Search
Metabolomics Database: Search
UM BBD: Search
HMDB (The Human Metabolome Database): HMDB00764
Export Tariff Code: 2916.39.7000
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
None Found
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Potential Uses:
 fir needle pine needleFL/FR
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Natural Occurrence in: note
 cistus oil @ 6.5%
Data  GC  GRIN Trop Picture
GRIN Trop Picture
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 benzene propanoic acid
 benzene propionic acid
 benzenepropanoic acid
 benzenepropionic acid
 benzyl acetic acid
 dihydrocinnamic acid
 dihydrocinnamic acid natural
 hydrocinnamic acid
beta-phenyl propionic acid
3-phenyl-n-propionic acid
3-phenylpropanoic acid
3-phenylpropionic acid
b-phenylpropionic acid
nat.3-phenylpropionic acid
3-phenylpropionic acid crystalline powder
 propionic acid, 3-phenyl-
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PubMed: Gut microbial metabolism of polyphenols from black tea and red wine/grape juice is source-specific and colon-region dependent.
PubMed: Absorption of dimethoxycinnamic acid derivatives in vitro and pharmacokinetic profile in human plasma following coffee consumption.
PubMed: Profiling of phenols in human fecal water after raspberry supplementation.
PubMed: Bioprocessing of wheat bran improves in vitro bioaccessibility and colonic metabolism of phenolic compounds.
PubMed: Chemical characterization of Citrus sinensis grafted on C. limonia and the effect of some isolated compounds on the growth of Xylella fastidiosa.
PubMed: Weakening of salmonella with selected microbial metabolites of berry-derived phenolic compounds and organic acids.
PubMed: Use of the pig caecum model to mimic the human intestinal metabolism of hispidulin and related compounds.
PubMed: The pig caecum model: a suitable tool to study the intestinal metabolism of flavonoids.
PubMed: Hippuric acid as a major excretion product associated with black tea consumption.
PubMed: Excretion of benzoic acid derivatives in urine of sheep given intraruminal infusions of 3-phenylpropionic and cyclohexanecarboxylic acids.
PubMed: Metabolism of trans-cinnamic acid in the rat and the mouse and its variation with dose.
PubMed: Studies on trans-cinnamaldehyde. 1. The influence of dose size and sex on its disposition in the rat and mouse.
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click on the picture(s) below to
interact with the 3D model
Picture of molecule
Soluble in:
 water, 5900 mg/L @ 20 °C (exp)
Insoluble in:
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