Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 235 °C | Solubility in water [% weight] | Soluble in water |
Colour | White Buff coloured powder | Partition coefficient Log Pow octanol / water at 20°C | 4.5 |
Vapour density | 11.5 |
Appearance | White to pale yellow or cream powder |
Assay | Min 99% |
Heavy metal (as Pb) | Max 0.001% |
Iron (Fe) | Max 0.001% |
Residue on ignition | Max 0.005 % |
Sulphated ash | Max 0.2% |
Sensitivity for glucose | 1:150,000 |