PVPP-F (Polyvinylpolypyrrolidone)
CROSPOVIDONE
(PVPP) |
Polyvinylpolypyrrolidone |
| |
STRUCTURAL
FORMULA: |
CTFA
NOMENCLATURE: Insoluble PVP |
Formula: （C6H9NO）n
|
CAS NO.: 25249-54-1 |
CHARACTERS:
In the form of white or yellowish free flowing hygroscopic powder.
Odorless or with a faint characteristic odor.
Insoluble in water, alkali, acid and common organic solvents.
Easily swellable in water without forming gels. |
|
SPECIFICATIONS
|
For beverage use |
For pharmaceutical use |
Loss on drying
(60 Min.,
140℃ Vacuum) |
≤6% |
≤5% |
Soluble components |
≤1.5% |
≤1.5% |
Monomers |
≤0.1% |
≤0.05% |
PH of 1% solution |
5.0-11.0 |
5.0-7.5 |
Heavy metals |
|
≤10 ppm |
| Arsenic
Lead
Zinc
Copper+Zinc |
≤3 ppm |
--------------------- |
≤10 ppm |
--------------------- |
≤25 ppm |
--------------------- |
≤50 ppm |
--------------------- |
Nitrogen |
11.0-12.8% |
12.0-12.8% |
Sulfate ash |
≤0.4% |
≤0.4% |
Peroxides (as H2O2) |
---------------------- |
≤400 ppm |
Aldehyde |
---------------------- |
≤0.2% |
USP 27/28 (EP 5.0)
ITEM |
USP 27/28 (EP 5.0) |
Loss on drying (60
Min.,
140℃ Vacuum) |
≤5% |
Water Soluble Substances |
≤1.5% |
Identification A+B |
Positive |
PH of 1% solution |
5.0-8.0 |
Heavy metals |
≤10 ppm |
Nitrogen |
11.0-12.8% |
Residue on ignition |
≤0.4% |
Vinylpyrrolidone |
≤0.1% |
Appearance |
White to yellowish powder |
APPLICATIONS:
Stabilizers for beer, vinegar, fruit and wine,
prolonging the storage life.
Disintergrants and fillers in pharmaceutical
tablets and capsules.
Detoxicants in detoxifiers or toxin absorbents.
Stabilizers for moisture sensitive active
ingredients (e.g. vitamins, enzymes).
Packed in 20 kgs fiber drums.
Add: Rm. 201, Unit 3, Building 8, Shijia Garden, No. 93, Xiangjiang Road,
Qingdao Economic And Technical Development Zone,
Qingdao, Shandong, China 266555
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