CAS: 7783-83-7 Molecular Formula: FeH28NO20S2 Molecular Weight (g/mol): 482.176 InChI Key: LCPUDZUWZDSKMX-UHFFFAOYSA-K Synonym: ammonium ferric sulfate,ferric ammonium sulfate dodecahydrate,iron ammonium sulfate dodecahydrate,sulfuric acid, ammonium iron 3+ salt 2:1:1 , dodecahydrate,ferric ammonium sulfate, acs,azanium iron 3+ disulfate dodecahydrate,ferric iron ammonium dodecahydrate disulfate,azanium iron +3 cation disulfate dodecahydrate,ammonium iron iii sulfate dodecahydrate, acs 100g PubChem CID: 197097 IUPAC Name: azanium;iron(3+);disulfate;dodecahydrate SMILES: [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]