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98-79-3 L-Pyroglutamic acid (5s)-2-oxopyrrolidine-5-carboxylicacid;(s)-5-oxo-2-pyrrolidinecarboxylicacid
L-Pyroglutamic acid Basic information |
Product Name: | L-Pyroglutamic acid |
Synonyms: | (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;glutimicacid |
CAS: | 98-79-3 |
MF: | C5H7NO3 |
MW: | 129.11 |
EINECS: | 202-700-3 |
Product Categories: | Heterocycles;Pyrrolidine series;chiral;Pyroglutamic acid [Pyr, pGu];Unusual Amino Acids;Amino Acids;Biochemistry;Biological-modified Amino Acids;Amino acid;for Resolution of Bases;Optical Resolution;Synthetic Organic Chemistry;Amino Acids;Nutraceuticals |
Mol File: | 98-79-3.mol |
|
L-Pyroglutamic acid Chemical Properties |
Melting point | 160-163 °C(lit.) |
alpha | -27.5 º (c=10, 1 N NaOH) |
Boiling point | 239.15°C (rough estimate) |
density | 1.3816 (rough estimate) |
refractive index | -10 ° (C=5, H2O) |
storage temp. | Store at RT. |
solubility | H2O: 1 M at 20 °C, clear, colorless |
form | Crystalline Powder |
pka | 3.32(at 25℃) |
color | White to off-white |
PH | 1.7 (50g/l, H2O, 20℃) |
optical activity | [α]20/D 10.5±1°, c = 5% in H2O |
Water Solubility | 10-15 g/100 mL (20 ºC) |
Merck | 14,8001 |
BRN | 82132 |
Stability: | Stable. Incompatible with bases, acids, strong oxidizing agents. |
CAS DataBase Reference | 98-79-3(CAS DataBase Reference) |
NIST Chemistry Reference | Pidolic acid(98-79-3) |
EPA Substance Registry System | 5-Oxo-L-proline (98-79-3) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36-37/39 |
WGK Germany | 3 |
RTECS | TW3710000 |
F | 21 |
TSCA | Yes |
HazardClass | IRRITANT |
HS Code | 29337900 |
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