Polyvinylpyrrolidone with CAS 9003-39-8 PVPK30 K60 K90

CAS No.:9003-39-8
MF: (C6H9NO)n
EINECS: 1312995-182-4
Brand Name:Unilong
Synonym:Polyvinylpyrrolidone; pvp; PVPK30; PVPK90

CAS: 9003-39-8
MF: C6H9NO
Purity: 99%
Polyvinylpyrrolidone with CAS 9003-39-8 PVPK30 K60 K90
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What is Polyvinylpyrrolidone (PVP)?

Polyvinylpyrrolidone (PVP) is a polymer of vinylpyrrolidone, which can be divided into soluble PVP and insoluble PVPP due to its different degree of polymerization. The relative molecular weight of soluble PVP is 8000~10000, which can be used as a precipitator.

Description

ITEM STANDARD RESULT
Appearance White or pale yellow powder Conform
K value 27~32.4 30.46
NVP(impurity A) ≤0.1% 0.03%
Water ≤5.0% 3.06%
PH 3~7 3.48
Aldehyde ≤0.05% 0.02%
Nitrogen content 11.5%~12.8% 11.93 %

 

Ignition residue ≤0.10% 0.03%
Heavy metals ≤10ppm <10ppm
Hydrazine ≤1ppm <1ppm

Application

Clarifying agent; pigment stabiliz-pcer; colloidal stabilizer; It is mainly used for beer clarifying and quality stabilizing (reference amount 8~20g/100L, maintained for 24h and remove it by filtration), and can also be applied in combination with enzymes (protease) and protein adsorbents. It is also used to clarify the wine and as a stabilizer to prevent discoloration (reference amount 24~72g/100L).

pvp-application

Packing

25kgs/drum,9tons/20’container

Polyvinylpyrrolidone with CAS 9003-39-8 PVPK30 K60 K90
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