D-pyroglutamic acid 4042-36-8

• Product NameD-pyroglutamic acid 4042-36-8
  CAS No.4042-36-8
  Purity
  Min Quantity
  Price~
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  Molecular Structure

Detailed Description

Appearance
White crystals with lumps

Specific rotation[a]D/20

(C=2 in H2O)
+10.8to +12.3

Melting Point
160 to 163

Chloride(C1)
Not more than 0.02%

Iron(Fe)
Not more than 10ppm

Heavy metals(Pb)
Not more than 10ppm

Arsenic(As2O3)
Not more than 1ppm

Loss on drying
Not more than 0.20%

Residue on ignition
Not more than 0.10%

Assay
98.0%-101.0%