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Read MoreName: | Crospovidone / PVPP |
Standard packing: | 20KG fiber drums |
Packing size: | 40*40*59cm |
Quantity with container: | 7.2MT |
Chemical Name: Crosslinked polyvinlypyrrolidone,
Polyvinylpolypyrrolidone, PVPP
INCI/CTFA Name: CROSPOVIDONE / Crosspovidone / Crospovidonum / Copoviodone
CAS NO.: 25249-54-1; 9003-39-8
Molecular Structure:
Crospovidone, PVPP is a kind of 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.
Sepcifications:
CROSSPOVIDONE |
|
Appearance |
White
or off-white powder |
Moisture %
≤ |
5.0 |
PH
value(1% solution) |
5.0-8.0 |
NVP
PPM ≤ |
10 |
Nitrogen
Content % |
11-12.8 |
Ash (sulphate) % ≤ |
0.1 |
Water-soluble
substances % ≤ |
1 |
Heavy
metal (as Pb) ppm ≤ |
10 |
Peroxide(As
H2O2) ppm ≤ |
400 |