Seema Biotech Bronopol, CAS No. : 52.51.7

SR NO

TEST

SPECIFICATION

OBSERVATION

1.

Description

White or almost white crystalline powder.

A white crystalline powder

2.

Solubility

Freely soluble in water, Ethanol (96%), slightly soluble in glycerol and in liquid paraffin.

Freely soluble in water & Ethanol

3.

Identification

A) By IR

B) Reaction A of Bromide

C) Melting Point: 130°C

Complies

Complies

129.8°C

4.

pH (1% w/v

Solution)

pH value of 1% w/v solution, 5.0 to 7.

5.61

5.

Water Content

NMT 0.50%

0.40%

6.

Related Substances

i) 2-methyl-2-nitropropane-1,3-diol: 0.5%

ii)Tris (hydroxyl methyl) Nitromethane: 0.5%

iii) Any other Impurity: 0.1%

Complies

7.

Sulphated ash

NMT 0.10%

0.03%

8.

Assay (ODB)

Not less than 99.0% and not more than 101.0%

99.9 w/w