| CAS No.: | 98-79-3 |
|---|---|
| Formula: | C5h7no3 |
| EINECS: | 202-700-3 |
| MW: | 129.11 |
| Sample: | Support |
| Storage: | Yes |
| Customization: |
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Audited Supplier Hot selling L-Pyroglutamic acid for Food additives CAS 98-79-3
| 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 25ºC) |
| color | White to off-white |
| PH | 1.7 (50g/l, H2O, 20ºC) |
| optical activity | [α]20/D 10.5±1°, c = 5% in H2O |
| Water Solubility | 10-15 g/100 mL (20 ºC) |
| Merck | 148,001 |
| Appearance | White to almost white crystalline powder |
| Loss on drying | 0.3% |
| Heavy metal | <10 ppm |
| Ash content | 0.1% |
| Purity(HPLC) | 99.9% |
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