Physical state at 20 °C | Solid | Odour | Pungent odor |
Melting point/ Freezing point [°C] | 113 °C | Solubility in water [% weight] | 0.03 g/100 g water @ 20°C |
Colour | Bluish-black crystals | Density [g/cm3] | 4.98 |
pH value | 2.2 – 2.6 | Vapour density | 8.8 |
Boiling point [°C] | 184 °C | Vapour pressure mm/Hg | 0.3 mm Hg @ 20°C |
Appearance | Heavy, grayish-black plates or granules, having a metallic luster and a characteristic odor |
Assay (iodometric) | Min 98.5% |
Chlorine and bromine (as Cl) | Max 0.025% |
Non volatile matter | Max 0.05% |