L-Histidine hydrochloride monohydrate
About This Item
| Product Name | L-Histidine hydrochloride monohydrate |
| Product Code | 345512 |
| Appearance | White crystalline powder |
| Formula | C₆H₁₀ClN₃O₂·H₂O |
| CAS-No. | 5934-29-2 |
| Assay | 99% |
| Molecular Weight | 209.63 |
| Grade | for biochemistry |
Specification
| Colour | White |
| Odour | Odourless |
| Odour threshold | No data available |
| pH | 3.5 – 4.5 at 25 °C |
| pH solution concentration | 10% |
| Melting point | 254 °C (Decomposes) |
| Auto-ignition temperature | > 268 °C at 1.013 hPa – Relative self-ignition temperature for solids does not ignite |
| Flammability (solid, gas) | Non flammable |
| Vapour pressure | < 0.1 hPa at 20°C - OECD Test Guideline 104 |
| Density | 1.4723 g/cm³ at 20°C – OECD Test Guideline 109 |
| Solubility | Water: 105 g/l at 20 °C – completely soluble |
| Ammonium (NH4) | Max 0.01% |
| Heavy metal (as Pb) | Max 0.001% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
| Foreign amino acids | Max 0.3% |
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