Physical Properties
| Physical state at 20 °C | Solid | Odour | Odorless |
| Melting point/ Freezing point [°C] | 214 °C | Solubility in water [% weight] | 48.6 g/100 g water @ 500C |
| Colour | Green powder | Density [g/cm3] | 1.898 g/cm3 at 25 °C |
pH value | 3 – 4 at 50 g/l at 25 °C | Vapour pressure mm/Hg | 14.6 mm Hg at 25 °C |
| Boiling point [°C] | > 300°C |
Packings
500g
Safety Information and Hazard Symbols
Specifications
| Appearance | Light blue or blue-green or green powder or crystals |
| Assay | Min 99.0% |
| Ferric ion (Fe+3) | Max 0.1% |
| Copper (Cu) | Max 0.005% |
| Insoluble matter | Max 0.01% |
| pH (5% solution in water) | 3.0 – 4.0 |
| Chloride (Cl) | Max 0.001% |
| Phosphate (PO4) | Max 0.001% |
| Manganese (Mn) | Max 0.05% |
| Zinc (Zn) | Max 0.005% |
| Calcium (Ca) | Max 0.005% |
| Magnesium (Mg) | Max 0.002% |
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