N-Acetyl-L-Cysteine roy@yccreate.com

N-Acetyl-L-Cysteine
White crystals or crystalline powder; strongly acid taste.
CAS No.616-91-1
assay 98.5-101.0%

N-Acetyl-L-Cysteine(NAC)

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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