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98-79-3
futurechemical
98-79-3
Product Description
Product name:L-Pyroglutamic acid
CAS：98-79-3
MF：C5H7NO3
MW：129.11
EINECS:202-700-3
Use:
1. Used as an intermediate in organic synthesis, food additive, etc
2. Can be used as a surfactant for detergents
Specifications :
| L-Pyroglutamic acid Basic information | |
| Product Name: | L-Pyroglutamic acid |
| CAS: | 98-79-3 |
| MF: | C5H7NO3 |
| MW: | 129.11 |
| EINECS: | 202-700-3 |
| 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. | 2-8°C |
| 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 | 148,001 |
| 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) |
