Polymethylene polyphenyl polyisocyanate (Molecular Formula: [C6H3(NCO)CH2]n)

Product Name:	Polymethylene polyphenyl polyisocyanate
CAS Registry Number:	9016-87-9
Synonyms:	PMDI;Polymethylene polyphenyl polyisocyanate;
Molecular Formula:	[C6H3(NCO)CH2]n
Density:	1.2 g/mL at 25 °C(lit.)
Boiling Point:	392 °C5 mm Hg
Refractive index:	20/D 1.634
Risk Codes:	20-36/37/38-42
Safety Statements:	Low toxicity by ingestion and skin contact. A questionable carcinogen. When heated to decomposition it emits toxic vapors of HCN.
Hazard Symbols:	Xn: Harmful;

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