Product Identification

Product Name

Bismaleimide

Synonyms

4,4'-Biphenylmethanebismaleimide
4,4-Bis(maleimido)diphenylmethane
4,4'-Bis(maleimidophenyl)methane
Bis(4-maleimidophenyl)methane
Bis(p-maleimidophenyl)methane
Bismaleimide-S

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 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.

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