Basic information about this product
Detailed information about the product
| Physical state at 20 °C | Solid | Colour | White powder | ||||
| Odour | Slight odour | pH value | 5.6 - 6.1 | ||||
| Melting point/ Freezing point [°C] | 284°C | Decomposition point [°C] | 276°C | ||||
| Flash point [°C] | 284°C | Solubility in water [% weight] | 56.6 g/L @ 25°C | ||||
| Appearance | White powder | Assay (by HClO4 titration) | Min 99% |
| Specific optical rotation ([α]20/D) | +22.5 to + 24 deg | pH (2.5% solution) | 5.5 - 6.5 |
| Loss on drying (at 105°C) | Max 0.3% | Residue on ignition (as SO4) | Max 0.1% |
| Chloride (Cl) | Max 0.02% | Sulphate (SO4) | Max 0.03% |
| Iron (Fe) | Max 0.001% | 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% |