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DL-Pyroglutamic acid

Cas:
149-87-1
Molecular Structure:
MDL:
MFCD00064322
Molecular Formula:
C5H7NO3
Molecular Weight:
129.11
Alias:
DL-2-吡咯烷酮-5羧酸 (±)-2-Pyrrolidone-5-carboxylic acid DL-5-Oxo-2-pyrrolidinecarboxylic acid DL-2-Pyrrolidone-5-carboxylic acid
Product order:
Name Specifications Packing Price Delivery
DL-Pyroglutamic acid 98% 25g RMB 88 Consulting service
DL-Pyroglutamic acid 98% 100g RMB 181.5 Consulting service
Character:
水中溶解度: 5.67% (20°C) ,溶于乙醇和丙酮。
熔点:180-185℃
Quality Standard:
 
外观Appearance                          白色结晶粉末
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              ≥98.0% (HPLC)
纯度Purity                              ≥98.5%~101.5% (中和滴定)  
熔点Melting point                       180°C - 186°C
干燥损失Loss on drying                  <0.5 %
重金属Heavy metals (as Pb)              <20 ppm
灼烧残渣Res. after ignition             <0.3 % 
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