N-Acetyl-L-Cysteine
CAS No.: 616-91-1
Add time: 2008-1-3 15: 39: 29
Item Specification
Appearance White crystals or crystalline powder
Specific Rotation[α ]D20 +21.3° To +27.0°
State of solution Clear and colorless
Not less than 98.0%
Chloride (Cl) Not more than 0.04%
Ammonium (NH4) Not more than 0.02%
Sulfate (SO4) Not more than 0.030%
Iron (Fe) Not more than 20ppm
Heavy Metals (Pb) Not more than 10ppm
Aresenic (As2O3) Not more than 1ppm
Other amino aicds Chromatographically not detectable
Loss on drying Not more than 0.5%
Residue on ignition Not more than 0.20%
Assay 98.5% to 101.0%
pH 2.0 to 2.8
Melting point 106° To 110°
Founded in 1995, Shanghai Rich Chemicals Co., Ltd.Is a privately held chemical industry group company.With a strong focus on the development of high purity, high performance products and services for our high technology customers, demand has dictated expansion of our services, production and support to a global capacity.
