- 2-(Acetyloxy)benzoic acid
- o-Acetylsalicylic acid
Odorless white crystals or crystalline powder with a slightly bitter taste.
Registry Numbers and Inventories.
R 22 36/37
S 26 36/37/39
Drug; Mutagen; Reproductive Effector; Human Data
Swiss Giftliste 1
Japan ENCS (MITI)
Boiling point, °C
Vapor pressure, mmHg
Solubility in water
1.5623 (20 C)
Partition coefficient, pKow
Heat of fusion
Heat of vaporization
Heat of combustion
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
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.
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.
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stable under normal shipping and handling conditions.
Strong alkali, hydrolyzes in moist air, decomposes in hot water.
Carbon monoxide, carbon dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.
This chemical is combustible.
Contact with metals may evolve flammable hydrogen gas.
Fire may produce irritating, corrosive and/or toxic gases.
OEL-UNITED KINGDOM:TWA 5 mg/m3
Chronic ingestion may result in salicylism which is characterized by nausea, vomiting, gastrointestinal ulcers, and hemorrhagic strokes.
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Inhibits platelet aggregation affecting bleeding
May cause respiratory tract irritation. Can produce anaphylactic shock with even small doses.
May cause skin irritation. Low hazard for usual industrial handling. Chronic ingestion may result in salicylism which is characterized by nausea, vomiting, gastrointestinal ulcers, and hemorrhagic strokes.
May cause eye irritation and possible burns.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.