- Benzophenone-3,3':4,4'-tetracarboxylic dianhydride
odorless light yellow powder solid
Registry Numbers and Inventories.
EC Index Number
Japan ENCS (MITI)
Melting point, °C
220 - 223
Boiling point, °C
Vapor pressure, mmHg
3E-16 (25 C)
1.570 g/cm3 (20 C)
Solubility in water
19 g/L (20 C)
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Store in a tightly closed container. Store protected from moisture. Store under nitrogen. Store in a cool, dry area away from incompatible substances.
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not allow contact with water. Wash clothing before reuse. Keep from contact with moist air and steam.
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.
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. 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. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.
Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.
Strong oxidizing agents, strong acids, strong bases, moisture.
Carbon monoxide, carbon dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide. Do NOT get water inside containers.
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
May cause skin irritation.
Causes eye irritation.
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. Wash mouth out with water.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. 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. Wash clothing before reuse.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
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