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Product Description
Specifications
1.Polyvinylpyrrolidone (PVP K90)
2.Manufactury provide
3.High quality at a good price
4.Fast delivery
Polyvinylpyrrolidone
(PVP K90)
Trade Name:POLYVINYLPYRROLIDONE (PVP)
USP and EP Name:Povidone(Povidonum)
Molecular Structure:
Chemical Name:Homopolymer of Vinylpyrrolidone
INCI/CTFA Name:PVP (Polyvinylpyrrolidone)
CAS NO.:9003-39-8
Properties: White or creamy white powder,odourless,nontoxic,non-irritant,dissolves readily in water,alcohol,amine and many other organic solvents.PVP
K Series is widely used in pharmaceutical fields,thanks to it’s excellent solubility,film-formingcapability, chemical stability,physiologicalinertia and cementability.
Quality Standard:CP2005.Ph.EP.,USP/NF.BP.
POLYVINYLPYRROLIDONE (PVP)
K12
K15
K17
K25
K30
K60
K90
Appearance
White or off-white powder
K value
10.2-13.8
12.75-17.25
15.3-18.36
22.5-27.0
27-32.4
54-64.8
81-97.2
N-Vinylpyrrolidone
(Impurity A)
(CP2005/USP26) %max
0.1
0.1
0.1
0.1
0.1
0.1
0.1
(USP31/EP6/BP2007) ppm max
10
10
10
10
10
10
10
Moisture % max
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Solid content % min
95
95
95
95
95
95
95
pH value(5%in aqueous solution)
3.0-5.0
3.0-5.0
3.0-5.0
3.0-5.0
3.0-5.0
4.0-7.0
4.0-7.0
Sulphate Ash % max
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Nitrogen content %
11.5-12.80
11.5-12.80
11.5-12.80
11.5-12.80
11.5-12.80
11.5-12.80
11.5-12.80
2-Pyrrolidone (Impurity B) % max
3.0
3.0
3.0
3.0
3.0
3.0
3.0
Aldehyde(as acetaldehyde) ppm max
500
500
500
500
500
500
500
Heavy metal (as Pb) ppm max
10
10
10
10
10
10
10
Hydrazine ppm max
1
1
1
1
1
1
1
Peroxide(As H2O2) ppm max
400
400
400
400
400
400
400
Uses:
Pharma Grade: (USP 28 /EP 5.0)
mainly used as biner 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 etc
Cosmetic Grade:
Film-formers, thickeners, lubricants, and binders in hair-setting lotions
Detoxifiers and detergents in shampoos and toothpastes.
Dispersants in hair colors
Lubricants in skin care products.
Coatings and dispersants for pigments.
Thickeners and adhesives in glue sticks and pick-up adhesives.
Smoothing agents in glass fibers sizing.
Tech Grade:
Anti-redeposition and anti-dye transfer agents in laundry detergents
Stabilizers for suspensions, dispersions and emulsions.
Protective colloids and polymerization stabilizers in synthetic resins.
Protective colloids and dispersants in paints and coatings.
Viscosity adjustors in printing inks and writing inks.
Auxiliaries in paper coating and strengthening.
Stabilizers in carbon black ink or paints.
