CAS No.: | 25249-54-1 |
---|---|
Formula: | C6h9no |
EINECS: | 607-660-4 |
Appearance: | Powder |
Quality: | Refined |
Colour: | White |
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Product details:
Product Name |
Polyvinylpyrrolidone Cross-linked PVPP |
CAS NO. |
25249-54-1 |
Molecular Formula |
C6H9NO |
Molecular Weight |
111.141 |
Appearance |
Powder |
Test Method |
HPLC |
Assay |
NLT98.0% |
Storage | Room temperature |
Water content | ≤5% |
Product
|
Crospovidone Type A
|
Crospovidone Type B
|
Appearance
|
White or yellowish-white powder or flakes
|
|
Identifications
|
Meet ID Tests
|
|
Solubility
|
Practically insoluble in water,in alcohol and in methylene chloride
|
|
Water- soluble substances
|
1.0% max
|
1.0% max
|
pH((1% in water)
|
5.0 -8.0
|
5.0 -8.0
|
Loss on Drying
|
5.0% max.
|
5.0% max.
|
Sulphated Ash
|
0.1% max.
|
0.1% max.
|
Nitrogen content
|
11.0 -12.8 %
|
11.0 -12.8 %
|
Impurity A
|
10 ppm max.
|
10 ppm max.
|
Peroxide(As H2O2)
|
400 ppm max.
|
1000 ppm max.
|
Heavy Metal
|
10 ppm max.
|
10 ppm max.
|
Particle Size(μm), ≥80%
|
50-300
|
5-50
|
Specifications(E1202/FCC):
|
||
Product
|
PVPP(One way)
|
PVPP(Regenaration)
|
Appearance
|
White to off-white,hygroscopic,free-flowing powder
|
|
Nitrogen Content
|
11.0-12.8%
|
11.0-12.8%
|
Lead
|
2 ppm max.
|
2 ppm max.
|
Arsenic
|
3 ppm max.
|
3 ppm max.
|
Heavy Metals
|
10 ppm max.
|
10 ppm max.
|
pH(1% Suspension)
|
5.0-8.0
|
5.0-8.0
|
Residue on Ignition
|
0.4% max.
|
0.4% max.
|
Peroxides
|
400 ppm max.
|
400 ppm max.
|
N-Vinylpyrrolidone
|
10 ppm max.
|
10 ppm max.
|
N,N'-Divinyl-imidazolidone
|
2pp max.
|
2 ppm max.
|
Water-Soluble substance
|
0.5% max.
|
0.5% max.
|
Acid/Ethanol Soluble substances
|
1.0% max.
|
1.0% max.
|
Water
|
5.0% max.
|
5.0% max.
|
Particle Size
|
Based on Data Sheet
|
Based on Data Sheet
|
Polyvinylpyrrolidone Cross-linked PVPP Picture show:
Polyvinylpyrrolidone Cross-linked PVPP Product Package:
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