149-87-1 DL-Pyroglutamic acid
cas

149-87-1 DL-Pyroglutamic acid

product Name DL-Pyroglutamic acid
Synonyms DL-2-Pyrrolidone-5-carboxylic acid; DL-5-Oxoproline; H-DL-Pyr-OH; DL-Proline, 5-oxo-; (+/-)-2-PYRROLIDONE-5-CARBOXYLIC ACID; 2-PYRROLIDONE-5-CARBOXYLIC ACID; (+/-)-2-PYRROLIDINONE-5-CARBOXYLIC ACID; 5-OXO-DL-PROLINE; DL-A-PYROGLUTAMIC ACID; DL-GLUTAMIC ACID LACTAM; 5-oxo-L-proline
Molecular Formula C5H7NO3
Molecular Weight 129.114
InChI InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1
CAS Registry Number 149-87-1
EINECS 205-748-3
Molecular Structure 149-87-1 DL-Pyroglutamic acid
Density 1.38g/cm3
Melting point 180-185℃
Boiling point 453.1°C at 760 mmHg
Refractive index 1.511
Flash point 227.8°C
Water solubility 5.67 g/100 mL (20℃)
Vapour Pressur 1.79E-09mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S37/39:;
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