| Appearance | White to off-white powder |
| Assay | 4.90% (ODB) |
| Residue on Ignition | NMT 0.1% |
| Viscosity | 8.12 mPa.s |
| Heavy metals | NMT 20 ppm |
| Loss on Drying | NMT 3.0% |
| Solubility | Soluble in acetone, in isopropyl alcohol and in dilute acids, Practically insoluble in water |




