PVP K17

CAS number: 9003-39-8

Molecular formula: (C6H9NO)n

molecular weight: 111.143

Chemical structure:

Product namePVP K17
Shelf lifeThree years
Inspection  Standard EP7.2
ItemsSpecificationsResults
AppearanceWhite or yellowish-white,hygroscopic powder or flakes.Complies
IdentificationIR Complies
The substance dissolves.Complies
AppearenceSolution S is clear and not more intensely coloured than reference solution B6,BY6or R6Complies
pH(1.0g→20.0ml)3.0 ~ 5.03.97
Viscosity (as K Value)15.3~18.417
Aldehydes≤ 500ppm33ppm
Peroxides (as H2O2)≤ 400ppm34ppm
Formic Acid≤ 0.5%0.1%
Hydrazine≤ 1ppm<1ppm
ImpurityA(Vinylpyrrolidone)≤ 10ppm9.22ppm
Impurity B (2-pyrrolidone)≤ 3.0%1.2%
Heavy Metals≤ 10ppm<10ppm
Water≤ 5.0%2.91%
Sulphated Ash≤ 0.1%0.04%
Assay(Nitrogen)11.5~12.8%12.05%
Bacterial endotoxines≤ 0.1EU/mg0.07EU/mg
TAMC≤ 1000 cfu/g<100cfu/g
TYMC≤ 100 cfu/g<100cfu/g
Staphylococcus AureusNegative in 1gNegative
SalmonellaNegative in 10gNegative
Pseudomonas AeruginosaNegative in 1gNegative
E. ColiNegative in 1gNegative
Conclusion
The product complies with EP7.2 standard.