| Appearance (Colour) | White |
| Appearance (Form) | Hygroscopic crystalline powder |
| Solubility (Turbidity) 10% solution in methanol | Clear |
| Solubility (Colour) 10% solution in methanol | Colourless |
| Assay | min. 99% |
| Melting Point | 127 - 130°C |
| Sulphated Ash | max. 0.05% |
| Loss on drying | max. 0.5% |
| Absorbance (A) of 1% aq. solution in a 1cm cell v/s H2O | |
| @227nm | 310 - 340 |
| Suitability as a substrate for Trypsin | Passes test |
