Product Identification
【Product Name】Bismaleimide 雙馬來酰亞胺
【Synonyms】4,4'-Biphenylmethanebismaleimide
【CAS】13676-54-5
【Formula】C21H14N2O4
【Molecular Weight】358.35
【EINECS】237-163-4
【RTECS】ON5670000
【RTECS Class】Mutagen
【Beilstein/Gmelin】333986
【Beilstein Reference】4-21-00-04641

Physical and Chemical Properties
【Appearance】Yellow to brown crystalline powder.
【Melting Point】160

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid immediately. Wash mouth out with water.
【Inhalation】Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Use only in a chemical fume hood.

Hazards Identification
【Ingestion】May cause mild digestive tract irritation.
【Inhalation】May be fatal if inhaled. Inhalation of vapors causes irritation of the mucous membranes.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 23 36/37/38
【EC Safety Phrase】S 22 36/37/39 45
【UN (DOT)】2811

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles 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.

Fire Fighting Measures
【Fire Fighting】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. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.

Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen bromide, nitrogen.

Transport Information
【UN Number】2811