Characteristics

White or almost white powder

White or almost white powder

Identification

Complies with the USP27

Complies with the USP27

IR

Complies with standards

Complies with standards

Violet vapors are evolved

Complies with standards

Complies with standards

Water

≤ 1.0%

0.06%

Iodine and iodide

≤ 0.02%

0.01%

Heavy metals

≤ 0.002%

0.001%

Free aromatic amine

≤ 0.05%

0.03%

Residue on ignition

≤ 0.1%

0.06%

Assay ( by titration)

98.0~102.0%

99.50%

chloride

≤ 100ppm

70ppm