104-49-4 p-phenylene diisocyanate

product Name	p-phenylene diisocyanate
CAS No	104-49-4
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; 1,4-diisocyanatobenzene; p-Phenyl Diisocyanate
Molecular Formula	C₈H₄N₂O₂
Molecular Weight	160.1296
InChI	InChI=1/C8H4N2O2/c11-5-9-7-1-2-8(4-3-7)10-6-12/h1-4H
EINECS	203-207-6
Molecular Structure
Density	1.17g/cm³
Melting point	94℃
Boiling point	236.2°C at 760 mmHg
Refractive index	1.567
Flash point	92.4°C
Vapour Pressur	0.048mmHg at 25°C
Hazard Symbols	Xn:Harmful;
Risk Codes	R20/21/22:; R36/37/38:; R42:;
Safety Description	S22:; S26:; S36/37:;

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