L-Threonine L-2-Amino-3-hydroxybutyric acid CAS:72-19-5
Product Name: L-Threonine
CAS: 72-19-5
MF: C4H9NO3
Appearance:White or light-brown Crystal or powder
Melting point |
282 °C (dec.)(lit.) |
alpha |
12.4 º (c=11,6N HCl) |
Boiling point |
278.95°C (rough estimate) |
density |
1.3092 (rough estimate) |
FEMA |
3694 | L-HISTIDINE |
refractive index |
13 ° (C=11, 6mol/L HCl) |
storage temp. |
2-8°C |
solubility |
H2O: 50 mg/mL |
form |
powder |
pka |
1.8(at 25℃) |
color |
White to off-white or pale yellow |
PH |
7.0-8.0 (25℃, 0.1M in H2O) |
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