Benzeneacetic acid(103-82-2)
Product Identification
Product Name
Benzeneacetic acid
Synonyms
2-Phenylacetic acid
alpha-Toluic acid
Benzacetic acid
Benzenacetic acid
Phenylethanoic acid
CAS
103-82-2
Formula
C8H8O2
Molecular Weight
136.15
EINECS
203-148-6
RTECS
AJ2430000
RTECS Class
Reproductive Effector; Primary Irritant
Merck
12,7422
Beilstein/Gmelin
1099647
Beilstein Reference
4-09-00-01614
EC Class
irritant
Physical and Chemical Properties
Appearance
Shiny, white plate crystals, floral odor.
Solubility in water
Very soluble
Melting Point
74 - 77
Boiling Point
265
Vapor Pressure
0.0046 (25 C)
Density
1.081 g/cm3
pKa/pKb
4.30 (pKa)
Partition Coefficient
1.41
Heat Of Vaporization
53.2 kJ/mol
Heat Of Combustion
-3897 kJ/mol
Usage
Used in manufacture of penicillin g, fungicide, plant hormones, flavoring, lab reagent.
Refractive Index
1.50246 (79.8 C)
First Aid Measures
Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed.
Handling and Storage
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from strong bases.
Handling
Wash thoroughly after handling. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Exposure Controls/Personal Protection
Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Poison Class
4
Fire Fighting Measures
Flash Point
156
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Can burn in a fire, releasing toxic vapors. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire Potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.