Index Name

Specifications

Appearance

Almost white or very slightly yellow crystalline powder

Identification

A. by UV

B. by IR

C. by melting point 177-182degC

Appearance of solution

Solution should be clear

Heavy metals

Not more than 20PPM

Ordinary impurities

Individual ordinary impurities

Not more than 2.0%

Assay (on dry basis)

98.0% to 101.0%