CAS: | 25249-54-1 | EINECS: | 201-800-4 |
---|---|---|---|
Molecular Formula: | (C6H9NO)n | Molecular Weight: | 111.14176 |
Solubility: | Insoluble In Water, Acid And Alkaline | Appearance: | White Powder |
Highlight: | 400ppm Beverage Stabilizer,8PH Crospovidone In Tablets,25249-54-1 Crospovidone In Tablets |
High Quality White Powder Crospovidone,Used As Stabilizer For Beverage And As Disintegrant For Tabel Pill
Product name: Crospovidone
Synonyms: PVPP, Polyvinylpyrrolidone cross-linked; Polyvinylpolypyrrolidone
CAS No.: 25249-54-1
EINECS No.:201-800-4
Molecular Formula: (C6H9NO)n
Molecular Weight: 111.14176
Properties & Specification
White or slight yellow,free flowing hydroscopic powder with odorless or faint characteristic smell.It's insoluble in water,alkali,acid and common organic reagents.Stereoscan photographs show that it is voluminous particulars and has large total surface and lots of porosity which is between 2-10mm.It can swell in water easily and can complex with polypbenol,carboxylic acids other low molecular weight compounds.PVPF can only be used once and PVPR can be reused after regenerated.
Beverage Grade(E1202)
Item | Moisture% | Water-soluble matter % | Free-N-vinylpyrrolidone ppm | N,N’-divinyl-imidazolidone ppm | PH in 1% water | Heavy metal ppm | Nitrogen % | Sulphated ash % | Peroxide ppm | Lead ppm |
PVPP | ≤6.0 | ≤1 | ≤10 | ≤2 | 5-8 | ≤10 | 11.0-12.8 | ≤0.4 | ≤400 | ≤2 |
Pharmaceutical Grade(USP/EP/BP)
Item | Moisture% | Water-soluble substances % |
vinylpyrrolidone % |
PH in 1% water |
Heavy metals % |
Nitrogen % | Residue on ignition% |
Particle Size (u m) |
|
Type A | Type B | ||||||||
Crospovidone | ≤5.0 | ≤1.5 | ≤0.1 | 5-8 | ≤0.001 | 11.0-12.8 | ≤0.4 | 50-250 | ≤50 |
Application
Used as stabilizer for beer,wine,vinegar and many juice and beverage to prolong their storage life.
Used as disintegrant for tabel pill,parrical-like granule and capsule drug in Harmaceutical industry.
Packing & Storage
20kg/cardboard , avoid moisture and sunlight, in seal