Physical state at 20 °C | Solid | Colour | White crystalline |
Melting point/ Freezing point [°C] | 263 °C | Solubility in water [% weight] | Soluble in water |
Decomposition point [°C] | 240 °C | pH value | 5 – 6 at 91,3 g/l at 25 °C |
Appearance | White crystalline powder |
Assay (by HClO4 titration; on dried basis) | 98.5 – 101% |
Identification | To comply USP test |
Chloride content | 19.0 -19.6% |
Specific optical rotation ([α]20/D; c=8 in HCl; on dried substance) | +20.4 to +21.4° |
Loss on drying (at 105°C ; 3 hrs) | Max 0.4% |
Residue on ignition | Max 0.1% |
Iron (Fe) | Max 0.003% |
Heavy metal (as Pb) | Max 0.0015% |
Sulphate (SO4) | Max 0.03% |
Chromatographic purity (by HPLC) | To comply USP test |