72-19-5 L-Threonine L-2-Amino-3-hydroxybutyric acid
Product Name: |
L-Threonine |
CAS No.: |
72-19-5 |
MF: |
C4H9NO3 |
Density: |
1.3126 |
Melting Point: |
256 °C (dec.) (lit.) |
Boiling Point: |
222.38°C |
Refractive Index: |
-28 ° (C=6, H2O) |
Appearance: |
White Powder |
Application: |
Nutritional supplements |
ITEM |
STANDARD |
Appearance |
White or sandy beige crystal powder, no obvious purity |
Identification |
Corresponds to standard |
C4H9NO3 Content(dry basis) ≥% |
98.5 |
Specific Rotation [a] D20 |
-25.0°- -29.0° |
Loss on drying ≤ % |
0.5 |
Residue on Ignition ≤% |
0.5 |
Arsenic (As AS) ≤Mg/Kg |
2.0 |
Heavy Metals(As Pb) ≥ Mg/Kg |
30 |
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