PVP K-30 USP / EP / BP / IP :

General Information :

International non-proprietary name (INN) : Poly Vinyl Pyrrolidone

Chemical Name : 2- Pyrrolidone-1-ethenyl-homopolymer / 1-Vinyl-2- Pyrrolidone-Polymer

Other non-proprietary name : Povidone, Povidonum, PVP

Cas No : [9003-39-8]

Molecular Formula : (C 6H 9NO)n

Molecular Structure :

Application :

Pharmaceutical : Povidone K 30 is an excellent pharmaceutical excipient. It is mainly used as binder for tablet, dissolving assistant for injection, flow assistant for capsule, dispersant for liquid medicine and pigment, stabilizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drugs, lubricator and antitoxical assistant of eye drug. PVP has been used as excipient in more than one hundred drugs.
ANALYTICAL SPECIFICATION OF PVP K-30 USP / EP / BP / IP :
TEST STANDARDS

APPEARANCE

A white to yellowish white powder

IDENTIFICATION

Positive

K-VALUE

27-32

MOISTURE

NMT 5.0%

PH (5% IN WATER )

3.0-7.0

N-VINYLPYRROLIDONE

NMT 10ppm

RESIDUE ON IGNITION

NMT 0.1%

NITROGEN

11.5-12.8%

HEAVY METALS (LEAD)

NMT 10 ppm

ALDEHYDES

NMT 0.05%

HYDRAZINE

NMT 1 ppm

RESIDUAL SOLVENTS

No class I & class II solvents as listed in the current USP <467> Only class III solvent is likely to be present (Formic acid NMT 0.5%)

 
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