English name: Methylene diphenyl diisocyanate
Chinese alias: MDI; diphenylmethane diisocyanate; 4,4'-diisocyanate diphenylmethane
CAS RN: 101-68-8
EINECS Number: 202-966-0
Molecular formula: C₁₅H₁₀N₂O₂
Molecular weight: 250.2521

Physical and chemical properties:

Properties: Light yellow molten solid with strong irritating odor.
Boiling point: 196°C
Freezing point: 37°C
Relative density: 1.1907
Solubility: soluble in acetone, benzene, kerosene, nitrobenzene.
Flash point: 200-218
Refractive index: 1.5906

Uses: Used in plastic and rubber industries, and used as adhesives.