Items

Specification

Results

Description

White or almost white, crystalline powder

White powder

Identification

A. Infrared Absorption

Conform

B. It responds to the tests for chloride

Conform

Melting point

205.0—209.0℃

206.8-207.1℃

Acidity PH

2.4--3.0

2.64

Loss on drying     USP

≤0.5%

0.032%

Residue on ignition  USP

≤0.10%

0.024%

Sulphated ash      BP

≤0.10%

0.036%

Heavy Metals       BP

≤20ppm

＜1ppm

Heavy Metals      USP

≤0.003%

＜0.001%

Assay

99.0% - 101.0%

99.87%

Clarity and Colour of Solution

Clear and not more intensely colored than reference solution Y7

Clear＜Y7 solution

Conform

Chloride content   USP

16.9 â€“ 17.6%

17.2%

Related substance   BP

≤0.25%

Conform

Organic volatile impurities USP

Meet the requirements

Conform