Sure Chemical Co., Ltd. Shijiazhuang
Main products:Food Additives,Pharmaceutical Raw Materials,Mining Chemicals,Concrete Admixtures,Water Treatment Chemicals
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Contact Us
  • Contact Person : Ms. Li Selina
  • Company Name : Sure Chemical Co., Ltd. Shijiazhuang
  • Tel : 86-311-85697096
  • Fax : 86-311-85697098
  • Address : Hebei,shijiazhuang,Rm 3-2-02 5Fl, Federal Oriental Pearl Building,No.66, Zhaiying South Street,Shijiazhuang,Hebei,China
  • Country/Region : China
  • Zip : 050030

N-Acetyl-L-Cysteine

N-Acetyl-L-Cysteine
Product Detailed
N-Acetyl-L-Cysteine the quanlity has passed the ISO international certificate .

N-Acetyl-L-Cysteine 

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°

N-Acetyl-L-Cysteine



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