PVP
Synonyms
2-Pyrrolidinone, 1-ethenyl-, homopolymer;
2-Pyrrolidinone, 1-vinyl-, polymers;
Povidone;
Category
Polymer Surfactant
> Polyenes
>> Non-ionic Polyenes
Chemical Numbering System
CAS: 9003-39-8
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Properties
Appearance (1), white to slightly yellow powder; or liquid.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
guinea pig oral LD50 |
100000mg/kg[1] |
|
mouse intraperitoneal LD50 |
12000mg/kg[1] |
|
mouse oral LD50 |
>40000mg/kg[1] |
|
mouse oral LDLo |
3000mg/kg[1] |
|
mouse oral LDLo |
5000mg/kg[1] |
|
rabbit oral LD50 |
1040mg/kg[1] |
|
rat oral LD50 |
100000mg/kg[1] |
Overall carcinogenic evaluation: Group 3 (IARC).
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent film-forming, dispersing, emulsifying, lubricating, adsorbing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid / Solid |
|
|
Actives, %, ≥ |
20.0 / 95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid / Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB/T 33070 1-Vinyl-2-pyrrolidinone homopolymer for industrial use
(1b), Chinese Pharmacopoeia (2020 Edition) Povidone K30
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as film-forming agent.
Use as dispersing agent, emulsifier, emulsion stabilizer.
Use as adhesive.
Use as thickening agent.
Use as lubricant.
2, Personal care products
Film-forming agent, emulsion stabilizer, binding agent, hair fixing agent, antistatic agent, viscosity controlling agent in personal care products.
3, Polymer
Dispersing agent in paints, printing inks.
4, Pigments
Dispersing agent in pigments, dyes.
5, Paper-making
Dispersing agent in paper-making.
6, Medicine
Pharmaceutical excipient, use as adhesive, cosolvent. (This section is for reference only, should be implemented according to local Pharmacopoeia.)
7, Household cleaning products
Soil dispersant, cleaning aids in household cleaning products.
Manufacturers
References
[1]: ChemIDplus. 9003-39-8, Povidone
Update: 20140903(1); 20201009(2);