Sichuan Tongsheng Amino acids Co.,Ltd.

DL-Pyroglutamic acid

• Category :

  Organic chemicals and Derivatives

• Synonyms :

  DL-2-Pyrrolidone-5-Carboxylic Acid;Dl-5-Oxoproline;H-Dl-Pyr-Oh;Dl-Proline, 5-Oxo-;(+/-)-2-Pyrrolidone-5-Carboxylic Acid;2-Pyrrolidone-5-Carboxylic Acid;(+/-)-2-Pyrrolidinone-5-Carboxylic Acid;5-Oxo-Dl-Proline;Dl-A-Pyroglutamic Acid;Dl-Glutamic Acid Lactam;5-oxo-L-proline;

• CAS NO :

  149-87-1

• EC NO :

  205-748-3

• Molecular Formula :

  C₅H₇NO₃

• Molecular Weight :

  129.114

• Main Specifications :

• InChI :

  InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1

• Product description :

  Appearance White crystalline powder Melting Point(ºC) 160.0 to 162.0ºC Chloride(C1) Not more than0.02% Ammonium(NH4) Not more than0.02% Sulfate(SO4) Not more than 0.02% Heavy metals(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.50% Residue on ignition Not more than0.1% Assay 99.0-101.0%

• Molecular Structure :