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Home / Construction & Building / Non-construction — needs review / Требует пересмотра / 2-Methyl-5-vinylpyridine and N-vinylpyrrolidone Copolymer
Home Construction & Building Non-construction — needs review Требует пересмотра
2-Methyl-5-vinylpyridine and N-vinylpyrrolidone Copolymer

2-Methyl-5-vinylpyridine and N-vinylpyrrolidone Copolymer — Institute of Pharmaceutical Technologies OJSC

Brand: Sovidon
$60 - $600 USD
MOQ: 10 kilograms

Key Features

Mean viscous molecular weight, Dalton: 46000...60000
Content of 2-methyl-5-vinylpyridine links: 30...42 %
Bacterial endotoxins: not more than 102 eu/mg
Microbiological purity: must meet Category 5.2 B requirements

Description

Amorphous powder or filamentous crystals, colour from white to yellowish with weak specific smell, electrified, hygroscopic. The copolymer of 2-methyl-5-vinylpyridine and N-vinylpyrrolidone is used as an adjuvant in the production of vaccines.

Specifications

Mean viscous molecular weight, Dalton
46000...60000
Content of 2-methyl-5-vinylpyridine links
30...42 %
Bacterial endotoxins
not more than 102 eu/mg
Microbiological purity
must meet Category 5.2 B requirements
Abnormal toxicity
must be non-toxic
Chloroform, rpm
0...60
Carbon tetrachloride, rpm
0...4
1 % solution on FBI No. 2
7...7.6
10 % водный раствор
6...7.3
Цветность 1 % водный раствор
Must not exceed Y4 standard
2-methyl-5-vinylpyridine links (pyridine links)
should form a yellow curd-like precipitate of picrate
N-vinylpyrrolidone links (pyrrolidine links)
should form a red-brown precipitate
0,1% solution on FBI No.2
should not exceed turbidity standard iii
1 % водный раствор
Shall not exceed turbidity standard IV
Butyl acetate
0...0.5 %
cyclohexane
0...0.388 %
2-Pyrrolidone
0...0.6 %
N-???????????????
0...0.2 %
Heavy metals
0...0.001 %
Sulphate ash
0...0.1 %
Peroxide compounds
0...0.2 %
quantitative definition
90...115 %
Loss in weight during drying
0...10 %
solubility
soluble in 95% ethyl alcohol. slightly soluble in cold water. practically insoluble in cyclohexane.
Appearance, description
amorphous powder, white to yellowish. should have a faint characteristic odor. electrifies, hygroscopic.

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