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L-Cysteine

  • CAS No.: 52-90-4
  • Purity: 100%
  • Min quantity: 100 Metric Tons
  • Price: USD 5~20/Kilograms
  • Place of Orign: Jiangyin,Jiangsu,China
Ms.Amelia Bai

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Item specifics

  • Product Name.:L-Cysteine
  • CAS No: 52-90-4
  • Weight: 121.15818
  • Formula: C3H7NO2S
  • Melting Point: 220 ºC
  • Boiling Point: 293.9 °C at 760 mmHg
  • Density: 1.334 g/cm3

Details

Supplier: Premium Ingredient Co.,Ltd
Product Name: L-Cysteine
Cas No.:52-90-4
Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g): about 16(20°)


Specific rotation: +8.3 to +9.5°
(transmittance): Not less than 95.0%
Chloride: Not more than 0.04%
Ammonium: Not more than 0.02%
Sulfate: Not more than 0.030%
Iron: Not more than 10ppm
Heavy metals(Pb): Not more than 10ppm
Arsenic: Not more than 1ppm
Other Amino Acids: conforms
Loss on drying: Not more than 0.5%
Residue on ignition(sulfated): Not more than 0.10%
Assay: 98.0 to 101.0%
PH: 4.5 to 5.5


Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year
L-Cysteine

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