63148-65-2 polyvinyl butyral

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Product Name	Polyvinyl butyral
CAS No.	63148-65-2
Synonyms	polyvinylbutyral resin; poly(vinyl butyral); PVB
Molecular Formula	C₁₆H₂₈O₅
Molecular Weight	300.39532
Density	1.08
Melting point	90-120℃
Water solubility	insoluble
Refractive index	1.485
Hazard Symbols	Xi:;
Risk Codes	36/37/38:;
Safety	S24/25:;