Assay (iodometric) 98.5 - 102 %
Insoluble matter Max 0.01 %
Chloride (Cl) Max 0.001 %
Calcium (Ca) Max 0.01 %
Magnesium (Mg) Max 0.005 %
Potassium (K) Max 0.005 %
Sodium (Na) Max 0.02 %
Copper (Cu) Max 0.003 %
Substances not precipitable by NH3 (as SO4) Max 0.05 %
Nitrate (NO3) Max 0.01 %
Zinc (Zn) Max 0.003 %
Ferrous ion (Fe2+) Passes test (about 0.001%)
Appearance Pale violet Crysta
| CAS No. | 7783-83-7 |
|---|---|
| Molecular Formula | NH4Fe(SO4)2.12H2O |
| Molecular Weight | 482.19 |
| HS Code | 2833.2990 |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazardous Statement | H319-H315 |
| Precaution Statement | P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313 |
| Packing | 500 G |
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