Cas no for 9003-39-8,Polyvinylpyrrolidone ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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[CAS Name] Polyvinylpyrrolidone

[Formula] (C6H9NO)n

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Changzhou Comwin Fine Chemicals Co., Ltd.

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Changzhou Comwin Fine Chemicals Co., Ltd.

Povidone; PVP

Chemical Name	Povidone; PVP
CAS No.	9003-39-3
Molecular Formula	(C6H9NO)n
Molecular Weight	111.143
Molecular Structure
Storage	Keep in well-closed container, protected from light
Usage	Binder for tablets, granules and hard gelatin capsules Bioavailability enhancement, film formation and solubilization Injection preparations, stabilization of suspensions and drug stabilization Dietetic tablets in nutritional products

SPECIFICATION

Pharmaceutical Grade

ITEMS	K30	K90
Appearance	Light or yellowish-white, hygroscopic powder
Identification A,B,C,D,E	Positive
Appearance of solution	Clear and NMT B6, BY6 or R6
Solubility	Freely soluble in water, in ethanol(96%) and in methanol, very slightly soluble in acetone
K-value	27.0-32.4	81.0-97.2
Water	≤5.0%	≤5.0%
Impurity A (1-vinylpyrrolidin-2-one)	≤10ppm	≤10ppm
Impurity B (2-pyrrolidone)	≤3.0%	≤3.0%
PH	3.0-5.0	4.0-7.0
Peroxides	≤400ppm	≤400ppm
Nitrogen Content	11.5-12.8%	11.5-12.8%
Heavy Metal	≤10ppm	≤10ppm
Sulphated Ash	≤0.1%	≤0.1%
Aldehydes	≤500ppm	≤500ppm
Hydrazine	≤1ppm	≤1ppm
Formic Acid	≤0.5%	≤0.5%
Total Aerobic Plate Count	≤100CFU/g	≤100CFU/g
Total Mold/Yeast Count	≤100CFU/g	≤100CFU/g
Standard	Latest USP, EP & JP

In addition, we also provide PVP K15, K17, k25 - pharma grade; PVP K30, K90 Cosmetic Grade

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Shanghai Shen Mei Pharmaceutical Technology Co., Ltd

Molecular Formula: C₆H₉NO

Molecular Weight: 111.143

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