APPEARANCE

A WHITE OR YELLOWISH CRYSTALLINE POWDER

COMPLY

SOLUBILITY

SLIGHTLY SOLUBLE IN WATER,IN ACETONE,IN ALCOHOL AND IN METHYLENE CHLOROFORM,VERY SLIGHTLY SOLUBLE IN ETHER

COMPLY

IDENTIFICATION A),B)

C)  INFRARED

a)       MELTING POINT 159-163°C

b)      SPECIFIC ABSORBANCE 365-389

A) 160.1-160.5°C

B) 377

LOSS ON DRYING

0.5% MAX

0.15%

SULPHATE ASHES

0.1% MAX

0.07%

HEAVY METAL

20PPM MAX

LESS THAN 20PPM

RESIDUAL SOLVENTS

ETHANEDIOL LESS THAN 620PPM

LESS THAN 620PPM

PARTICLE SIZE

40-60MESH

COMPLY

APPEARANCE OF SOLUTION

SUSPENSION 2

AND SOLUTION GY6

COMPLY

RELATED SUBSTANCE

1) IMPURITY

0.1%MAX

0.06%

2)TOTAL IMPURITY

0.2%MAX

0.14%

3)DISREGARD LIMITED

0.01% MAX

PASS

ASSAY

99.0%-101.0% C6H9N3O3

99.62%C6H9N3O3