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General Material Information

Preferred name phenyl acetic acid
Trivial Name Phenylacetic acid
Short Description phenylacetic acid
Formula C8 H8 O2
CAS Number 103-82-2
FEMA Number 2878
Flavis Number 8.038
ECHA Number 203-148-6
FDA UNII ER5I1W795A
Nikkaji Number J10.117F
Beilstein Number 1099647
MDL MFCD00004313
COE Number 672
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 1007 phenylacetic acid
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 103-82-2 ; PHENYLACETIC ACID
Synonyms
  • acetic acid, phenyl-
  • benzenacetic acid
  • benzene acetic acid
  • benzeneacetic acid
  • benzeneaceticacid
  • benzeneacetiic acid
  • benzyl carboxylic acid
  • benzylcarboxylic acid
  • benzylformic acid
  • omega- phenyl acetic acid
  • phenyl acetic acid natural
  • phenyl acetic acid pure FCC
  • phenyl ethanoic acid
  • phenylacetic acid
  • 2-phenylacetic acid
  • phenylacetic acid natural
  • phenylaceticacid
  • 2-phenylethanoic acid
  • phenyllacetic acid
  • a- toluic acid
  • alpha- toluic acid
  • a- tolylic acid
  • 2-phenylacetic acid
  • α-Toluic acid
  • ω-Phenylacetic acid
  • Phenylethanoic acid
  • PAA
  • NSC 125718

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

2-phenylacetic acid
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:103-82-2
Pubchem (cid):999
Pubchem (sid):134972411
Flavornet:103-82-2
Pherobase:View
Publications by PubMed
Identification and characterization of the aroma-impact components of thai fish sauce.
Identification of the key odorants in Tahitian cured vanilla beans (Vanilla tahitensis) by GC-MS and an aroma extract dilution analysis.
Production of aromatic compounds by metabolically engineered Escherichia coli with an expanded shikimate pathway.
Characterization of the key aroma compounds in rape honey by means of the molecular sensory science concept.
The FEMA GRAS assessment of phenethyl alcohol, aldehyde, acid, and related acetals and esters used as flavor ingredients.
Characteristic volatiles from young and aged fruiting bodies of wild Polyporus sulfureus (Bull.:Fr.) Fr.
Characterization of aroma compounds responsible for the rosy/floral flavor in Cheddar cheese.
Synthesis of flavor and fragrance esters using Candida antarctica lipase.
Volatile flavor components of stored nonfat dry milk.
Quantitative gas chromatography-olfactometry carried out at different dilutions of an extract. Key differences in the odor profiles of four high-quality Spanish aged red wines.
Aroma-active components of nonfat dry milk.
Conversion of phenylalanine to benzaldehyde initiated by an aminotransferase in lactobacillus plantarum
Identification and characterization of the aroma-impact components of thai fish sauce.
Separation and characterization of soluble esterified and glycoside-bound phenolic compounds in dry-blanched peanut skins by liquid chromatography-electrospray ionization mass spectrometry.
Study of the principal constituents of tropical angico (Anadenanthera sp.) honey from the atlantic forest.
Microbial catabolism of procyanidins by human gut microbiota.
Analysis of particle-borne odorants emitted from concentrated animal feeding operations.
Chemometrics as a tool of origin determination of Polish monofloral and multifloral honeys.
In vitro transformation of chlorogenic acid by human gut microbiota.
Urinary excretion of phenolic acids in rats fed cranberry, blueberry, or black raspberry powder.
Effect of high oxygen and high carbon dioxide atmosphere packaging on the microbial spoilage and shelf-life of fresh-cut honeydew melon.
Comparison of postprandial phenolic acid excretions and glucose responses after ingestion of breads with bioprocessed or native rye bran.
Identification of the key odorants in Tahitian cured vanilla beans (Vanilla tahitensis) by GC-MS and an aroma extract dilution analysis.
Bioactive microconstituents and antioxidant properties of wild edible mushrooms from the island of Lesvos, Greece.
Characterization of the key aroma compounds in rape honey by means of the molecular sensory science concept.
An olfactory receptor for food-derived odours promotes male courtship in Drosophila.
Analytical and sensorial characterization of the aroma of wines produced with sour rotten grapes using GC-O and GC-MS: identification of key aroma compounds.
Colonic metabolites of berry polyphenols: the missing link to biological activity?
Profiling of phenols in human fecal water after raspberry supplementation.
Urinary excretion of phenolic acids in rats fed cranberry.
Isolation and identification of triglycerides and ester oligomers from partial degradation of potato suberin.
Relationship between grazing lamb growth rate and blood plasma analytes as profiled by gas chromatography with time-of-flight mass spectrometry (GC-TOF/MS).
Acrylamide decreased dopamine levels and increased 3-nitrotyrosine (3-NT) levels in PC 12 cells.
Quantification of phenyllactic acid in wheat sourdough using high resolution gas chromatography-mass spectrometry.
Investigation of the accumulation of aromatic compounds during biogas production from kitchen waste.
Secondary metabolites from the mycelia of the fungus Monascus pilosus BCRC 38072.
The cannabinoid antagonist SR 141716A (Rimonabant) reduces the increase of extra-cellular dopamine release in the rat nucleus accumbens induced by a novel high palatable food.
Crocin bleaching assay (CBA) in structure-radical scavenging activity studies of selected phenolic compounds.
Influence of peptide supply and cosubstrates on phenylalanine metabolism of Lactobacillus sanfranciscensis DSM20451(T) and Lactobacillus plantarum TMW1.468.
Use of the pig caecum model to mimic the human intestinal metabolism of hispidulin and related compounds.
Characterization of aroma compounds responsible for the rosy/floral flavor in Cheddar cheese.
Phenylacetic acid-producing Rhizoctonia solani represses the biosynthesis of nematicidal compounds in vitro and influences biocontrol of Meloidogyne incognita in tomato by Pseudomonas fluorescens strain CHA0 and its GM derivatives.
Peripherally administered growth hormone increases brain dopaminergic activity and swimming in rainbow trout.
Comprehensive study on vitamin C equivalent antioxidant capacity (VCEAC) of various polyphenolics in scavenging a free radical and its structural relationship.
Identification and antimicrobial activity of phenylacetic acid produced by Bacillus licheniformis isolated from fermented soybean, Chungkook-Jang.
Inhibitory effects of green tea polyphenols on the production of a virulence factor of the periodontal-disease-causing anaerobic bacterium Porphyromonas gingivalis.
Antiproliferative and apoptotic effects of selective phenolic acids on T47D human breast cancer cells: potential mechanisms of action.
Leptin decreases plasma paraoxonase 1 (PON1) activity and induces oxidative stress: the possible novel mechanism for proatherogenic effect of chronic hyperleptinemia.
Aroma-active components of nonfat dry milk.
Identification and quantification of impact odorants of aged red wines from Rioja. GC-olfactometry, quantitative GC-MS, and odor evaluation of HPLC fractions.
Characterization of Volatiles in Rambutan Fruit (Nephelium lappaceum L.).
Formation of aroma-active strecker-aldehydes by a direct oxidative degradation of Amadori compounds.
Quantitative model studies on the formation of aroma-active aldehydes and acids by strecker-type reactions.
Acid hydrolysis of 1,6-dihydro-4-amino-3-methyl-6-phenyl-1,2, 4-triazin-5(4H)-one (1,6-dihydrometamitron).
Conversion of phenylalanine to benzaldehyde initiated by an aminotransferase in lactobacillus plantarum
Indigo formation by microorganisms expressing styrene monooxygenase activity.
Possible regulatory role for nonaromatic carbon sources in styrene degradation by Pseudomonas putida CA-3.
Ethylbenzene degradation by Pseudomonas fluorescens strain CA-4.
Gut flora and the origin of some urinary aromatic phenolic compounds.
Effect of excess phenylacetate diet during pregnancy on fetal brain growth in rats.
Identification of metabolites from the degradation of fluoranthene by Mycobacterium sp. strain PYR-1.
Sucrose feeding at weaning alters the preference for sucrose in adolescence.
[Circadian rhythm of 3-methoxy-4-hydroxymandelic acid and 3-methoxy-4-hydroxyphenylacetic acid in the urine].
Investigation of drug absorption from the gastrointestinal tract of man. IV. Influence of food and digestive secretions on metoprolol jejunal absorption.
Effect of food on pharmacokinetics of chlorambucil and its main metabolite, phenylacetic acid mustard.
Gas-liquid chromatographic determination of benzoic acid and sorbic acid in foods: NMKL collaborative study.
The origin of urinary aromatic compounds excreted by ruminants. 4. The potential use of urine aromatic acid and phenol outputs as a measure of voluntary food intake.

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
CHEBI:View
CHEMBL:View
Golm Metabolome Database:Search
Metabolomics Database:Search
UM BBD:Search
KEGG (GenomeNet):C07086
HMDB (The Human Metabolome Database):HMDB00209
FooDB:FDB010558
YMDB (Yeast Metabolome Database):YMDB00891
Export Tariff Code:2916.34.1500
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
Formulations/Preparations:
grades: technical; fcc.

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 136.15016174316
Melting Point 76 to 78°C @ 760 mm Hg
Boiling Point 265 to 266°C @ 760 mm Hg
Boiling Point 142 to 143°C @ 10 mm Hg
Vapor Pressure 0.005 mmHg @ 25 °C
Vapor Density 4
Flash Point TCC Value 100 °C TCC
logP (o/w) 1.41
Shelf life 24 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
fixed oils Yes
glycerin Yes
water, 1.348e+004 mg/L @ 25 °C (est) Yes
water No
Stability
bath foam Unspecified
cream Unspecified
hair spray Unspecified
lotion Unspecified
non-discoloring in most media Unspecified
powder Unspecified

Organoleptic Properties

Odor Type: Honey
sweet, honey, floral, honeysuckle, sour, waxy, civet, rose, chocolate, tobacco, powdery, animal
Odor strength high , recommend smelling in a 10.00 % solution or less
Substantivity 400 hour(s) at 10.00 % in dipropylene glycol
Luebke, William tgsc, (1987) At 10.00 % in dipropylene glycol. sweet honey floral honeysuckle sour waxy civet
Mosciano, Gerard P&F 21, No. 4, 51, (1996) Sweet, floral, honey, rose, chocolate, tobacco and powdery with animal nuances
Flavor Type: Floral
sweet, floral, chocolate, honey, tobacco
Mosciano, Gerard P&F 21, No. 4, 51, (1996) At 30.00 ppm. Sweet, floral, chocolate, honey and tobacco

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Skin irritation (Category 2), H315
Eye irritation (Category 2A), H319
Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335
Reproductive toxicity (Category 2), H361
GHS Label elements, including precautionary statements
Pictogramexclamation-mark.jpg
Signal word Warning
Hazard statement(s)
H315 - Causes skin irritation
H319 - Causes serious eye irritation
H335 - May cause respiratory irritation
H361 - Suspected of damaging fertility or the unborn child
Precautionary statement(s)
P201 - Obtain special instructions before use.
P202 - Do not handle until all safety precautions have been read and understood.
P261 - Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 - Wash skin thouroughly after handling.
P271 - Use only outdoors or in a well-ventilated area.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P302 + P352 - IF ON SKIN: wash with plenty of soap and water.
P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313 - IF exposed or concerned: Get medical advice/attention.
P332 + P313 - IF SKIN irritation occurs: Get medical advice/attention.
P337 + P313 - IF eye irritation persists: Get medical advice/attention.
P362 - Take off contaminated clothing and wash before reuse.
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed.
P405 - Store locked up.
P501 - Dispose of contents/ container to an approved waste disposal plant.
Human Experience:
2 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
oral-rat LD50 > 5000 mg/kg
(Keating, 1972c)

gavage-guinea pig LD50 [sex: M,F] 2250 mg/kg
(Zaitsev & Rakhmanina, 1974)

gavage-mouse LD50 [sex: M,F] 2250 mg/kg
(Zaitsev & Rakhmanina, 1974)

gavage-rat LD50 [sex: M,F] 2250 mg/kg
(Zaitsev & Rakhmanina, 1974)

oral-guinea pig LD50 2250 mg/kg
Voprosy Pitaniya. Problems of Nutrition. Vol. 33(5), Pg. 48, 1974.

intraperitoneal-mouse LD50 2270 mg/kg
Farmaco, Edizione Scientifica. Vol. 13, Pg. 286, 1958.

oral-mouse LD50 2250 mg/kg
Voprosy Pitaniya. Problems of Nutrition. Vol. 33(5), Pg. 48, 1974.

intraperitoneal-rat LD50 1600 mg/kg
Bollettino Chimico Farmaceutico. Vol. 112, Pg. 53, 1973.

oral-rat LD50 2250 mg/kg
Voprosy Pitaniya. Problems of Nutrition. Vol. 33(5), Pg. 48, 1974.

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg
Food and Cosmetics Toxicology. Vol. 13, Pg. 901, 1975.

subcutaneous-mouse LD50 1500 mg/kg
Archives Internationales de Pharmacodynamie et de Therapie. Vol. 116, Pg. 154, 1958.

Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for phenyl acetic acid usage levels up to:
2.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 240.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 60.00 (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: -12.00000
beverages(nonalcoholic): -1.80000
beverages(alcoholic): -0.10000
breakfast cereal: --
cheese: --
chewing gum: 5.4000011.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -5.30000
fruit ices: -5.30000
gelatins / puddings: -27.00000
granulated sugar: --
gravies: --
hard candy: -5.90000
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 Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 55 (FGE.55): Consideration of phenyl-substituted aliphatic alcohols and related aldehydes and esters evaluated by JECFA (63rd meeting) structurally related to phenethyl alcohol, aldehyde, esters and related phenylacetic acid esters evaluated by EFSA in FGE.14 (2005) and aryl-substituted saturated and unsaturated primary alcohol/aldehyde/acid/ester derivatives evaluated by EFSA in FGE.15 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 53 (FGE.53): Consideration of phenethyl alcohol, aldehyde, acid and related acetals and esters evaluated by JECFA (59th meeting) structurally related to phenethyl alcohol, aldehyde, esters and related phenylacetic acid esters evaluated by EFSA in FGE.14 (2005) and one phenoxyethyl ester evaluated in FGE.23 (2006) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 33 (FGE.33)[1] - Six Tetrahydrofuran Derivatives from Chemical Groups 13, 14, 16 and 26 - 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 14, Revision 1 (FGE.14Rev1): Phenethyl alcohol, aldehyde, acetals, carboxylic acid and related esters from chemical group 15 and 22 [1] - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Flavouring Group Evaluation 53, Revision 1 (FGE.53Rev1): Consideration of phenethyl alcohol, aldehyde, acid and related acetals and esters evaluated by JECFA (59th meeting) FGE.23Rev1 (2008)
View page or View pdf

EPI System: View
ClinicalTrials.gov:search
NIOSH International Chemical Safety Cards:search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):103-82-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :999
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3335
WGK Germany:1
2-phenylacetic acid
Chemidplus:0000103822
RTECS:103-82-2