2-Methyl-5-vinylpyridine and N-vinylpyrrolidone Copolymer

2-Methyl-5-vinylpyridine and N-vinylpyrrolidone Copolymer

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 set

Bacterial endotoxins: Not more than 102 EE/mg

Microbiological purity: Must meet the requirements of Category 5.2 B

Supplier Information

Institute of Pharmaceutical Technologies OJSC

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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 set

Bacterial endotoxins

Not more than 102 EE/mg

Microbiological purity

Must meet the requirements of Category 5.2 B

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)

Yellow curd-like precipitate of picrate shall be formed.

N-vinylpyrrolidone links (pyrrolidine links)

A red-brown coloured precipitate shall be formed.

0,1% solution on FBI No.2

Must not exceed turbidity standard III

1 % водный раствор

Shall not exceed turbidity standard IV

Butyl acetate

0...0.5 set

Cyclohexane

0...0.388 set

2-Pyrrolidone

0...0.6 set

N-???????????????

0...0.2 set

Heavy metals

0...0.001 set

Sulphate ash

0...0.1 set

Peroxide compounds

0...0.2 set

Quantisation

90...115 set

Loss in weight during drying

0...10 set

Solubility

Soluble in 95% ethyl alcohol. Slightly soluble in cold water. Practically insoluble in cyclohexane.

Appearance, description

Amorphous powder, white to yellowish in colour. Should have a faint characteristic odour. Electrified, hygroscopic.

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