China Amino Acid Supplements L Tryptophan 73-22-3 Food Feed Grade Aji L-Tryptophan, Find details about China Pharmaceutical Intermediate, Fine Chemicals from Amino Acid Supplements L Tryptophan 73-22-3 Food Feed Grade Aji L-Tryptophan
Melting point | 289-290 °C (dec.)(lit.) |
alpha | -31.1 º (c=1, H20) |
Boiling point | 342.72°C (rough estimate) |
density | 1.34 |
refractive index | -32 ° (C=1, H2O) |
storage temp. | 2-8°C |
solubility | 20% NH3: 0.1 g/mL at 20 °C, clear, colorless |
pka | 2.46(at 25ºC) |
form | powder |
color | White to yellow-white |