产品名称

D-焦谷氨酸

CAS NO

4042-36-8

中文别名

(R)-(+)-2-吡咯烷酮-5-羧酸

英文名称

5-Oxo-D-proline

英文别名

5-Oxo-D-proline

分子式

C₅H₇NO₃

分子量

129.11

EINECS

223-735-0

熔点

155-162oC

沸点

453.1oC at 760mmHg

毒性

Item Standard Appearance White crystals with lumps Specific rotation[α]D/20 (C=2 in H2O) +10.8°to +12.3° Melting Point (oC) 160 to 163 oC 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%