DL-焦谷氨酸

CAS RN ： 149-87-1

品名:DL-2-Pyrrolidone-5-Carboxylic Acid

分子量: 129

规格

Items Standard 

Appearance White crystalline powder 

Assay 99.0-101.0% 

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%