|
ITEMS |
SPECIFICATION |
|
|
APPEARANCE |
WHITE OR SLIGHTLY YELLOWISH CRYSTALLINE POWDER |
|
|
SOLUBILITY |
SHOULD MEET THE REQUIREMENT |
|
|
IR IDENTIFICATION |
SHOULD CORRESPOND TO THE RS INFRARED ABSORPTION |
|
|
APPEARANCE OF SOLUTION |
SHOULD MEET THE REQUIREMENT |
|
|
HEAVY METALS |
≤20PPM |
|
|
RELATED SUBSTANCE |
IMPURITY A |
≤0.15% |
|
IMPURITY B |
≤0.15% |
|
|
IMPURITY C |
≤0.2% |
|
|
IMPURITY D |
≤0.2% |
|
|
UPSPECIFIED IMS. |
≤0.1% |
|
|
TOTAL |
≤1.0% |
|
|
RESIDUAL SOLVENTS |
METHANOL |
≤0.08% |
|
ETHANOL |
≤0.08% |
|
|
METHYLENE DICHLORIDE |
≤0.06% |
|
|
N-HEXANE |
≤0.029% |
|
|
ACETIC ACID ETHYL ESTER |
≤0.08% |
|
|
TOLUENE |
≤0.089% |
|
|
ACETIC ACID |
≤0.08% |
|
|
LOSS ON DRYING |
≤0.5% |
|
|
SULPHATED ASH |
≤0.1% |
|
|
MELTING POINT |
261℃~263℃ |
|
|
PARTICLE SIZE |
90%LESS THAN 200UM |
|
|
ASSAY |
99.0%~101.0% |
|
