Customization: | Available |
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CAS No.: | 98-79-3 |
Formula: | C5h7no3 |
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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% |