PVP K30/Polyvinyl pyrrolidone/Povidone USP

Product Overview

Description

PVP K30/Polyvinyl pyrrolidone/Povidone  USP

Production name:Homopolymer of  Vinyl pyrrolidone

CAS NO:9003-39-8

Purity:99.9%

Packing:25kg/fibre bag

 

 

PVP K30

 

Item	Standard				Result
Appearance	White or yellowish-white hygroscopic powder or flakes.				Complies
Identification	A. An orange-yellow precipitate is formed.				Complies
	B. A pale blue precipitate is formed				Complies
	C. A deep red colour is produced.				Complies
pH(1→20) PH (1in 20)	3.0 ~ 7.0				3.5
Water	≤ 5.0%				3.7%
Residue on ignition	≤ 0.1%				0.04%
Lead	≤ 10ppm				<10ppm
Aldehydes	≤ 0.05%				0.04%
Hydrazine	≤ 1ppm				<1ppm
Vinylpyrrolidinone	≤ 0.2%				0.01%
2-pyrrolidone	≤ 3.0%				2.00%
Peroxides(as H2O2)	≤ 400ppm				<400ppm
K –Value	27.0~32.4				29.6
Assay(Nitrogen)	11.5~12.8%				11.9%
TAMC	≤ 1000 cfu/g				30cfu/g
TYMC	≤ 100 cfu/g				10cfu/g
Staphylococcus Aureus	Negative in 10g				Negative
Salmonella	Negative in 10g				Negative
Pseudomonas Aeruginosa	Negative in 10g				Negative
E. Coli	Negative in 10g				Negative
Conclusion	The product complies with USP26/NF21 standard.

 

 

Character,

It is white or white-like powder and transparent water solution. It is soluble in water and many organic solvents. It has excellent hypo toxicity, film property, chemical stability, physiological inert and cementitiousness etc.