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  • CAS No.: 59-51-8
  • 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.:DL-Methionine
  • CAS No: 59-51-8
  • Weight: 149.21134
  • Formula: C5H11NO2S
  • Melting Point: 270-273 ºC
  • Boiling Point: 306.9 °C at 760 mmHg
  • Density: 1.34


Supplier: Premium Ingredient Co.,Ltd

Product Name: DL-Methionine
Cas No.:59-51-8
Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g):3.00(20°), 4.82 (40°), 7.55(60°)

(transmittance): Not less than 98.0%
Chloride: Not more than 0.020%
Ammonium: Not more than 0.02%
Sulfate: Not more than 0.020%
Iron: Not more than 10ppm
Heavy metals(Pb): Not more than 10ppm
Arsenic: Not more than 1ppm
Other Amino Acids: Chromatographically not detectable
Loss on drying: Not more than 0.30%
Residue on ignition(sulfated): Not more than 0.10%
Assay: 99.0 to 100.5%
PH: 5.6 to 6.1

Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 2 years

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