| Message: | CAS No.616-91-1
Molecule FormulaC5H9NO3S
Molecule Weight163.20
Description:White crystals or crystalline powder; strongly acid taste. Freely soluble in water.Soluble in ethanol, practically insoluble in ether.Solubility(H2O, g/100g):17(20°),80(40°),260(60°)
Manufacture Standards: AJI92,USP26,EP5
assay 98.5-101.0%
Main uses: Cure bronchitis.Used in the cure of liver disease, antioxidant and antidote.
Packing:25kgs/ fiber drum
CHARACTERS
A WHITE CRYSTALLINE POWDER OR COLOURLESS CLYSTALS,FREELY SOLUBLE IN WATER AND IN ALCOHOL,PRACTICALLY INSOLUBLE IN METHYLENE CHLORIDE
INFRARED SPECTRUM
COMPARES TO STANDARD
SPECIFIC ROTATION[α]D20
+21.0 ° TO+27.0 °
IDENTIFICATION REACTION
A DARK VIOLET COLOUR DEVELOPS
MELTING RANGE
104°C TO 110°C
APPEARANCE OF SOLUTION
CLEAR AND COLOURLESS
PH
2.0 TO 2.8
ZINC
NOT MORE THAN 10PPM
HEAVY METALS(Pb)
NOT MOTE THAN 10PPM
RELATED SUBSTANCES
KNOWN IMPURITY ≤ 0.5%
SUM OF UNKNOWN IMPURITY≤ 0.5%
LOSS ON DRYING
NOT MORE THAN1.0%
RESIDUE ON IGNITION
NOT MORE THAN 0.2%
ASSAY
98.0TO101.0%
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