- Carboxyacetic acid
- Propanedioic acid
- Methanedicarboxylic acid
White crystals or crystalline powder. Sublimes in vacuum.
Substance is used in production of barbiturates.
Registry Numbers and Inventories.
R 22 36/37
S 26 36/37/39
Mutagen; Primary Irritant
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
5E-7 (25 C)
Vapor density (air=1)
Solubility in water
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.
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 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.
Wear a self contained breathing apparatus and appropriate Personal protection. (See Exposure Controls, Personal Protection section). Sweep up, then place into a suitable container for disposal.
Stable under normal temperatures and pressures.
Bases, oxidizing agents.
Carbon monoxide, carbon dioxide.
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. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.
This material is probably combustible.
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
May cause severe irritation and possible burns.
May cause severe eye irritation. May cause eye burns.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid immediately. Immediately 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.
4. Organic acids
2917 19 10