PVP-VA64 powder

Model:	25086-89-9
Brand:	Greenco
Origin:	Made In China
Category:	Chemicals / Organic Chemical Materials / Pharmaceutical Chemicals
Label:	PVP-VA64 usp grade , PVP-VA64 , PVP/VA copolymer
Price:	¥50 / pc
Min. Order:	200 pc

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Product Description

Product Introduction

Different proportion of Vinylpyrrolidone to vinylacetate can be offered in powder, alcohol solution and aqueous solution products. The aqueous solution product may be varied from transparent to cloudy. The clarity of the solution depends on the proportion of Vinylpyrrolidone to vinylacetate. The solution is slight acidic but not electrolytic.

Specification(Liquid)

Product Name	VA64W	VA64E	VA37E	VA37I	VA55E	VA55I	VA73W/E
Appearance	Colorless, Viscous Liquid
K Value	30-36	30-36	24-32	24-32	24-32	24-32	28-38
N-Vinylpyrrolidone max%	0.03	0.03	0.03	0.03	0.03	0.03	0.03
Solid Assay %	48-52	48-52	48-52	48-52	48-52	48-52	48-52
PH(5% solution)	--	--	--	--	--	--	--
VAc max%	0.03	0.03	0.03	0.03	0.03	0.03	0.03
VP/VA	60/40	60/40	30/70	30/70	50/50	50/50	70/30

Specification(Powder) USP/BP/EP

Product Name	K Value	Nitrogen %	(VP+Vc)%	Loss on drying %
VA64 Powder	25.2-30.8	7.0-8.0	max0.4	max5.0
Heavy metals ppm	Aldehydes ppm	Peroxide ppm	Hydrazine ppm	α-p %
max20	max500	max400	max1	max0.5