Basic information
CAS NO
98-79-3
EINECS
202-700-3
Molecular Formula
C5H6NO3
Molecular Weight
128.1066
English Name
(S)-(-)-2-Pyrrolidone-5-carboxylic acid
Synonyms
5-Oxo-L-proline, Pyroglutamicacid, pidolic acid, glutiminic acid, 5-oxoproline, Pyr-OH, L-Pyroglutamic acid, H-Pyr-OH, L-2-Pyrrolidone-5-carboxylic acid, (S)-(-)-2-Pyrrolidinone-5-carboxylic acid, L-Pyrpglutamic Acid, 5-Oxopyrrolidine-2-carboxylic acid, 5-Pyrrolidone-2-carboxylic acid, L-5-Pyrrolidone-2-carboxylic acid, pyroglutamic acid, Pyrrolidonecarboxylic Acid, L-pyro glutamic acid, (2S)-5-oxopyrrolidine-2-carboxylate
Physical and Chemical Properties
Melting point
152-162℃
Boiling point
453.1°C at 760 mmHg
Flash point
227.8°C
Water Solubility
10-15 g/100 mL (20℃)
Vapour Pressure
1.79E-09mmHg at 25°C
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