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Povidone
/PVP/Polyvidone INCI /CTFA
CAS No. : 9003-39-8
EINECS No. : 1312995-182-4
Chemical Formula: (C6H9NO)n
Introduction
PVP (Polyvinylpyrrolidone) is white or milky white to light
yellow free-flowing powder or clear transparent viscous
liquid, which is odorless or has slight characteristic odor. PVP is non-toxic,nonirritant and has moisture absorption.
Application
It is easy soluble in many organic solvents like water, alcohol, amine and halohydrocarbon; insoluble in
acetoner and diethyl r. PVP has excellent solubility, biocompatibility, film-forming property, chemical stability,physiological inert,cohesiveness, membrane protection ability, complexing ability to many organic
and inorganic compounds, good stability to acid, salt and heat and therefore has wide applications in many
fields.
Physical Properties
| Product Name | K value | NVP (%) |
Moisture (%) |
Residue on Ignition (%) |
Heavy Metal (ppm) |
Aldehydes (%) | Nitrogen (%) | Hydrazine (ppm) | Peroxide (ppm) | PH Value |
| K15 Powder | 13.5-16.2 | <0.001 | <5.0 | <0.1 | <10 | <0.05 | 11.5-12.8 | <1 | <400 | 3-5 |
| K17 Powder | 15.3-18.4 | <0.001 | <5.0 | <0.1 | <10 | <0.05 | 1.5-12.8 | <1 | <400 | 3-5 |
| K25 Powder | 22.5-27 | <0.001 | <5.0 | <0.1 | <10 | <0.05 | 1.5-12.8 | <1 | <400 | 3-5 |
| K30 Powder | 27-33.4 | <0.001 | <5.0 | <0.1 | <10 | <0.05 | 1.5-12.8 | <1 | <400 | 3-5 |
| K90 Powder | 88-96 | <0.001 | <5.0 | <0.1 | <10 | <0.05 | 1.5-12.8 | <1 | <400 | 4-7 |
Packing and Storage
Liquid is packed in 60kg/plastic drum; solid is packed in 25kg/fiber drum.