CHARACTERISTICS

WHITE OR YELLOWISH CRYSTALLINE POWDER

CONFORMS

SOLUBILITY

Slightly soluble in water, in acetone, in alcohol and in methylene, chloride

CONFORMS

IDENTIFICATION

Melting point 159~163℃

160.4~160.8 ℃

Specific absorbance 365~395

376

Infrared

LOSS ON DRYING

≤0.5%

0.21%

RESIDUE ON IGNITION

≤0.1%

0.04%

HEAVY METALS

≤20PPM

<20PPM

APPEARANCE OF SOLUTION

Suspension II and Solution GY6

CONFORMS

PARTICAL SIZE

40-60 Mesh

CONFORMS

Residual solvents

Ethanediol ≤620 PPM

≤620 PPM

RELATED SUBSTANCES

Impurity

≤0.1%

≤0.05%

Total

≤0.2%

≤0.085%

DIsregard limited

≤0.1%

Pass

ASSAY

99.0~101%

99.52%