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Name Phenylacetic acid
CAS 103-82-2
EINECS(EC#) 203-148-6
Molecular Formula C8H8O2
MDL Number MFCD00004313
Molecular Weight 136.15
MOL File 103-82-2.mol

Chemical Properties

Appearance white crystals with a honey-like odour
Melting point  76-78 °C(lit.)
Boiling point  265 °C(lit.)
density  1.081 g/mL at 25 °C(lit.)
vapor density  ~4 (vs air)
vapor pressure  1 mm Hg ( 97 °C)
FEMA  2878
refractive index  1.5120 (estimate)
Fp  132°C
storage temp.  Store at RT.
solubility  DMF: 1 mg/ml; PBS (pH 7.2): 10 mg/ml
form  neat
pka 4.28(at 18℃)
color  Leaflets on distillation in vac; plates, tablets from pet ether
Specific Gravity 1.081
Odor disagreeable odor of geranium
PH 3.53(1 mM solution);2.98(10 mM solution);2.46(100 mM solution)
Stability: Stable. Incompatible with strong oxidizing agents.
Odor Type honey
Water Solubility  15 g/L (20 ºC)
JECFA Number 1007
Merck  14,7268
BRN  1099647
Dielectric constant 3.0(20℃)
LogP 0.811 at 25℃
Phenylacetic Acid is a flavoring agent that is crystalline (white, glis- tening), with unpleasant, persisting odor resembling geranium leaf and rose when diluted. it is soluble in most fixed oils and glycerin, slightly soluble in water, and insoluble in mineral oil. it is obtained by chemical synthesis. it is also termed a-toluic acid.
CAS DataBase Reference 103-82-2(CAS DataBase Reference)
NIST Chemistry Reference Benzeneacetic acid(103-82-2)
EPA Substance Registry System 103-82-2(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  1
RTECS  AJ2430000
HS Code  29163400
Safety Profile
Moderately toxic by ingestion, subcutaneous, and intraperitoneal routes. An experimental teratogen. Combustible liquid. Used in production of drugs of abuse. When heated to decomposition it emits acrid smoke and irritating fumes
Hazardous Substances Data 103-82-2(Hazardous Substances Data)
LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 5000 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer

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