high purity N-Acetyl-L-Cysteine(NAC) Medicine Grade

Brief Description
CAS No.: 616-91-1 Other Names: N-ACETYL-3-MERCAPTOALANINE MF: C5H9NO3S
EINECS No.: 210-498-3 Place of Origin: Shaanxi China (Mainland) Type: Antibiotic and Antimicrobial Agents, Anti...
Grade Standard: Medicine Grade Brand Name: TOP Model Number: TOP-0452
Purity: 98.5-101.0% Assay: 98.5-101.0% 
Delivery Terms & Packaging
Packaging Detail:25kg/bag
Delivery Detail:within 10days after receiving your deposit
Specifications
high purity N-Acetyl-L-Cysteine(NAC) Medicine Grade

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%