中文名L-焦谷氨酸中文同义5-羧基吡咯烷酮;(S)-(-)-2-吡咯烷酮-5-羧酸;L-焦谷氨酸;甘氨酰谷氨酰胺杂质Ⅱ焦谷氨酸;丙氨酰谷氨酰胺杂质ⅣL-焦谷氨酸;丙氨酰谷氨酰胺杂质ⅣL-焦谷氨酸;谷氨酰胺杂质Ⅱ L-焦谷氨酸;谷氨酰胺杂质Ⅱ L-焦谷氨酸英文名L-Pyroglutamic acid英文同义(5s)-2-oxopyrrolidine-5-carboxylicacid;(s)-5-oxo-2-pyrrolidinecarboxylicacid;(s)-pyroglutamicacid;2-benzothiazolesulfenicacidmorpholide;2-l-pyrrolidone-5-carboxylicacid;2-oxopyrrolidine-5-carboxylicacid;2-pyrrolidone-5-carboxylate;glutimicacidCAS98-79-3分子式C5H7NO3分子量129.11EINECS202-700-3结构式 性质熔点160-163 °C(lit.)比旋光度-27.5 º (c=10, 1 N NaOH)沸点239.15°C (rough estimate)密度1.3816 (rough estimate)折射率-10 ° (C=5, H2O)储存条件Store at RT.溶解度H2O: 1 M at 20 °C, clear, colorless 形态Crystalline Powder酸度系数(pKa)3.32(at 25℃)颜色White to off-whitePH值1.7 (50g/l, H2O, 20℃)旋光性 (optical activity)[α]20/D 10.5±1°, c = 5% in H2O水溶解性10-15 g/100 mL (20 ºC)Merck14,8001BRN82132稳定性Stable. Incompatible with bases, acids, strong oxidizing agents.NIST化学物质信息Pidolic acid(98-79-3)EPA化学物质信息5-Oxo-L-proline (98-79-3) | |||