Polyvinylpyrrolidone K30

Polyvinylpyrrolidone K30
Chemical Structure: Homopolymer of vinyl pyrrolidone
CTFA Nomenclature: POLYVINYLPYRROLIDONE(Povid

Polyvinylpyrrolidone K30

Chemical Structure: Homopolymer of vinyl pyrrolidone
CTFA Nomenclature: POLYVINYLPYRROLIDONE(Povidone, PVP)

CAS No: 9003-39-8

Molecular Formula: (C6H9NO)n

Physical Properties: PVP K30 exists as white or milk white powder or colorless or slight yellow transparent liquid. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiological compatibility.

PVP-K30 (Pharmaceutical grade) is a kind of new excellent pharmaceutical excipient. It is mainly used as binder for tablet and granule, 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 antitoxic assistant for eye drug. PVP has been used as excipient in more than one hundred drugs.

TEST    ITEMSSPECIFICATIONSTEST    VALUEAppearanceWhite powderCompliesK Value                                                                   27-3230.08N-vinylpyrrolidone                                  ppm< 10< 10Moisture                                                %< 5.03.85Sulfateash                                              %< 0.10.054PH value3-73.72Nitrogen                                                  %11.5-12.812.0Aldehyde (as acetaldehyde)                    %< 0.05< 0.05Heavy metal (as lead)                            ppm< 10< 10Hydrazine                                              ppm< 1.0< 1.0Peroxide                                                ppm< 400< 400