p-phenylene diisocyanate (104-49-4)

Identification
Name:	p-phenylene diisocyanate
Synonyms:	PPDI; 4,4'-phenyl isocyanate; BENZENE 1,4-DIISOCYANATE ; 1,4-PHENYLENE DIISOCYANATE ; 1,4-Benzenediisocyanate ; 1,4-diisocyanato-benzen ; 1,4-Diisocyanatobenzene ; 1,4-diisocyanato-Benzene ; benzene,1,4-diisocyanato- ; Isocyanic acid, p-phenylene ester ; isocyanicacid,p-phenyleneester ; Phenylene-1,4-diisocyanate ; p-Phenylene isocyanate ; p-phenyleneisocyanate
CAS:	104-49-4
EINECS:	203-207-6
Molecular Formula:	C8H4N2O2
Molecular Weight:	160.13
InChI:	InChI=1/C8H4N2O2/c11-5-9-7-1-2-8(4-3-7)10-6-12/h1-4H
Molecular Structure:
Properties
Transport:	UN 2811
Density:	1.17g/cm³
Stability:	Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive.
Refractive index:	1.567
Water Solubility:	Stable Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive
Solubility:	Stable Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive
Appearance:	white to light yellow crystals
Specification:	1,4-Phenylene diisocyanate , with CAS number of 104-49-4, can be called 1,4-Diisocyanatobenzene ; 1,4-Diisocyanatobenzene ; benzene, 1,4-diisocyanato- ; p-Phenylene isocyanate . It is a white to light yellow crystal and it can react slowly with water to form CO₂, 1,4-Phenylene diisocyanate (CAS NO.104-49-4) is sensitive to moisture. It is incompatible with water, strong acids, strong alkalis, strong oxidizers, alcohol, amines and other hydrogen compounds. Besides it is combustible.
Storage Temperature:	Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Safety Data
Hazard Symbols	Xn:Harmful

p-phenylene diisocyanate (104-49-4)

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