DL-Methionine

• Post Date:

  Jul 16,2013

• Expiry Date:

  Jul 16,2014

• Detailed Description:

  Cas No. :59-51-8 Specifications: (Reference Standard AJI92)
  Item Standard Analysis data
  Appearance White crystals or crystalline powder Conforms
  State of solution
  (Transmittance) Clear and colorless
  not less than 98.0% 98.0%
  Chloride (Cl) Not more than 0.020% <0.02%
  Ammonium (NH4) Not more than 0.02% <0.02%
  Sulfate (SO4) Not more than 0.020% <0.02%
  Iron (Fe) Not more than 10ppm 7ppm
  Heavy metal(Pb) Not more than 10ppm <10ppm
  Arsenic(As2O3) Not more than 1ppm <1ppm
  Other Amino Acids Chromatographically
  Not detectable Conforms
  Loss on drying Not more than 0.30% 0.2%
  Residue on ignition(sulfated) Not more than 0.10% 0.08%
  Assay 99.0% to 100.5% 99.0%
  pH 5.6 to 6.1 5.8
  

• CAS Registry Number:

  59-51-8

• Synonyms:

  ;DL-2-Amino-4-(methylthio)butyric acid;DL-Methoionine;(+/-)-2-Amino-4-(methylthio)butyric acid;H-DL-Met-OH;

• Molecular Formula:

  C₅H₁₁NO₂S

• Molecular Weight:

  149.21

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  zexing amino acid Co,.Ltd     [ China ]        

• Contact:

  Danae

• Tel:

  86-0311-87315132

• Fax:

  86-0311-87315125

• Email:

  Danaexzx@gmail.com