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   ChemNet > CAS > 98-79-3 (S)-(-)-2-Pyrrolidone-5-carboxylic acid

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98-79-3 (S)-(-)-2-Pyrrolidone-5-carboxylic acid

product Name (S)-(-)-2-Pyrrolidone-5-carboxylic acid
CAS No 98-79-3
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
Molecular Formula C5H6NO3
Molecular Weight 128.1066
InChI InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/p-1/t3-/m0/s1
EINECS 202-700-3
Molecular Structure 98-79-3 (S)-(-)-2-Pyrrolidone-5-carboxylic acid
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 Pressur 1.79E-09mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36:;
MSDS Material Safety Data Sheet

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Description Appearance White crystalline powder Specific rotation(a)D20 (C=5 H2O) -11.0 to -12.0? Chloride(C1) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Sulfate(SO4) Not more than 0.02% Heavy metals(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1 PPM Loss on drying Not more than 0.5% Residue on ignition Not more than 0.1% Assay 99.0-101.0%
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