L-Histidine 99% For Biochemistry
(S)-2-Amino-3-(4-imidazolyl)propionic acid
Product Code. |
01360 |
Grade |
For Biochemistry |
Purity |
99% |
CAS No. |
71-00-1 |
Molecular Formula |
C6H9N3O2 |
Molecular Weight |
155.16 |
H.S.Code |
2933.29900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
pH value |
7 - 8 at 15.5 g/l at 25 °C |
| Melting point/ Freezing point [°C] |
282 °C |
Solubility in water [% weight] |
15.5 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White to off-white powder |
| Assay (by HClO4 titration) | Min 99.0% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.01% |
| Foreign amino acids | Max 0.3% |
Safety Information and Hazard Symbols