CTFA Nomenclature
: POLYVINYLPYRROLIDONE(Povidone
,
PVP)
CAS NO
: 9003-39-8
Product name:
Polyvinylpyrrolidone PVP K30
Chemical Description:
Homopolymer of 1-Vinly-2,-Pyrrolidone,Polyvinylpyrrolidone
USP and EP Name
:Povidone(Povidonum)
Chemical Name
:Homopolymer of Vinylpyrrolidone
Physical Properties
: PVP exists as powder or aqueous solution. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiological compatibility.
Specification:
Technical grade
|
|
K15
|
K17
|
K25
|
K30
|
K90
|
|
K value
|
1
3
-17
|
15
-
1
9
|
2
3
-27
|
27-33
|
8
8
-9
8
|
|
N-Vinylpyrrolidone
(Impurity A)
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
|
Moisture
% max
|
5.0
|
5.0
|
5.0
|
5.0
|
5.0
|
|
pH value(5%in aqueous solution)
|
3.0-5.0
|
3.0-5.0
|
3.0-5.0
|
3.0-5.0
|
4.0-7.0
|
|
Sulphate Ash
% max
|
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
|
Product Properties:Technical grade PVP(PVP K Series) products are existing as powder and water solution form,and being supplied in a wide molecular weight range,easily dissolve in water,alcohol and other organic solvents.They are highly hygroscopicity,excellent film-forming capacity,adhesiveness and chemical stability,none toxicity.
Applications: Technical grade PVP are being used in Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.
Pharmaceutical grade(USP/EP/BP/JP)
|
|
K15
|
K17
|
K25
|
K30
|
K90
|
|
K value
|
1
3
-17
|
15
-
1
9
|
2
3
-27
|
2
9
-32
|
8
8
-9
8
|
N-Vinylpyrrolidone
(Impurity A)
|
(CP/USP) %max
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
|
(USP/EP/BP) ppm max
|
10
|
10
|
10
|
10
|
10
|
|
Moisture
% max
|
5.0
|
5.0
|
5.0
|
5.0
|
5.0
|
|
Solid content
% min
|
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
|
4.0-7.0
|
|
Sulphate Ash
% max
|
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
|
|
2,-Pyrrolidone (Impurity B)
% max
|
3.0
|
3.0
|
3.0
|
3.0
|
3.0
|
|
Aldehyde(as acetaldehyde)
ppm max
|
500
|
500
|
500
|
500
|
500
|
|
Heavy metal (as Pb)
ppm max
|
10
|
10
|
10
|
10
|
10
|
|
Hydrazine
ppm max
|
1
|
1
|
1
|
1
|
1
|
|
Peroxide(As H
2
O
2
)
ppm max
|
400
|
400
|
400
|
400
|
400
|
Product Properties: Povidone is a hygroscopic polymer ,supplied in white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value.It's easily soluble in water and many other organic solvents,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters.
Applications:Povidone is one of the most important excipient in the worldwide for pharmaceutical industry,whatever for human health care products and animal health care products.It's more and more used as:1)Binder for tables,capsule,2)Sugar coatings and films,3)Thickening agent,4)Solubility Improver for poorly soluble drugs,5)Bioavailability Enhancer for drug's active ingredients,6)Pore-forming for membrane products.
Customized: PVP K30 40% Liquid Solution
Packing and Storage:
Factory:
Q&C:
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