| CAS | 7783-85-9 |
| Molecular Formula | (NH4)2SO4FeSO4.6H2O |
| Molecular Weight | 392.13 |
| Shelf Life | 36 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Greenish blue crystals |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 100 °C |
| Vapour Density | > 1 | Density [g/cm3] | 1.86 |
| Solubility in Water [% weight] | 26.9 g/100cc water @ 200C | ||
| Specifications | |||
| Appearance | Greenish blue crystals/crystalline powder | Assay (Oxidimetric) | 99.0 – 101.5% |
| Insoluble Matter | Max 0.01% | Phosphate (Po4) | Max 0.003% |
| Calcium (Ca) | Max 0.005% | Copper (Cu) | Max 0.003% |
| Ferric Ion (Fe) | Max 0.01% | Manganese (Mn) | Max 0.01% |
| Magnesium (Mg) | Max 0.002% | Potassium (K) | Max 0.002% |
| Sodium (Na) | Max 0.02% | Substance Not Precipitated By Nh4Oh | Max 0.05% |
| Zinc (Zn) | Max 0.003% | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |
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