L-Threonine 99% For Biochemistry
Allo-free pyrogen free for bacteriology and tissue culture.
(2S,3R)-2-Amino-3-hydroxybutyric acid
Product Code. |
02693 |
Grade |
|
Purity |
99% |
CAS No. |
72-19-5 |
Molecular Formula |
C4H9NO3 |
Molecular Weight |
119.12 |
H.S.Code |
2922.50900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
pH value |
5 - 6 at 60 g/l at 25 °C |
| Melting point/ Freezing point [°C] |
256 °C |
Solubility in water [% weight] |
60 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.01% |
| Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols