Synonyms: Ammonium ferric sulfate dodecahydrate Formula: NH4Fe(SO4)2 · 12H2O Formula Weight: 482.19 CAS No.: 7783-83-7 Purity: 98.5-102.0% (ACS specification); 99% Storage Temperature: 2-8°C Packaging: 2.5 kg in glass bottle Packaging: 25, 500 g in glass bottle