Product Identification
【Product Name】1-Phenyl-1H-pyrrole-2,5-dione N-苯基马来酰亚胺
【Synonyms】Imilex P；Maleanil；Maleimidobenzene；N-Phenylmaleic acid imide；N-Phenylmaleic imide
【CAS】941-69-5
【Formula】C10H7NO2
【Molecular Weight】173.17
【EINECS】213-382-0
【RTECS】ON5950000
【RTECS Class】Agricultural Chemical and Pesticide; Primary Irritant
【Merck】12,7452
【Beilstein/Gmelin】125098
【Beilstein Reference】5-21-10-00009
【EC Class】toxic

Physical and Chemical Properties
【Appearance】Yellow needles.
【Solubility in water】Slightly soluble
【Melting Point】84 - 86
【Boiling Point】299
【Vapor Pressure】0.0012 (25 C)
【Partition Coefficient】.82
【Heat Of Vaporization】53.9 kJ/mol
【Usage】Dienophile in the diels-alder reaction.

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do not use mouth-to-mouth respiration if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
【Skin】Get medical aid immediately. 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】Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Use only in a chemical fume hood. Do not breathe dust or fumes.

Hazards Identification
【Ingestion】Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】Causes irritation of the mucous membrane and upper respiratory tract.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【Hazards】Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】R 25
【EC Safety Phrase】S 22 36/37 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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】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.

Fire Fighting Measures
【Flash Point】137
【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.
【Fire Potential】This material is probably combustible.

Accidental Release Measures
【Small spills/leaks】Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents, strong bases.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

Transport Information
【UN Number】2811
【Hazard Class】6.1
【Packing Group】I; II; III
【HS Code】2925 19 95