Product Name: DL-Pyroglutamic acid
CAS: 149-87-1
Molecular Formula: C5H7NO3
Molecular Weight: 129.114
Synonyms: Buy DL-2-Pyrrolidone-5-Carboxylic Acid;Dl-5-Oxoproline

Specification

Appearance                             White Crystalline Powder 

Melting Point,℃                     180-185 
Transmittance,%                    ≥98.0 
Loss on drying,%                    ≤0.5   
Sulfate(SO4),%                       ≤0.02  
Assay,%                                     98.0-100  
Iron(Fe),ppm                          ≤10  
Arsenic(As2O3),ppm             ≤4  
Residue on ignition,%           ≤0.2 
Heavy metals(Pb),ppm          ≤10 
Specific rotation(a)D20,°      -0.3-+ 0.3 
Chloride(C1),%                       ≤0.02 
Ammonium(NH4),%             ≤0.02 

Packing

25kg/drum

Products :

CAS 149-87-1, DL-Pyroglutamic acid, C5H7NO3
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