iron dichloride 0 125.873 126.75040 CAS:7758-94-3 CHEBI:30812 Cl2Fe Cl[Fe]Cl Drug_Central:4543 FeCl2 Gmelin:1398 InChI=1S/2ClH.Fe/h2*1H;/q;;+2/p-2 MolBase:315 NMCUIPGRVMDVDB-UHFFFAOYSA-L Wikipedia:Iron(II)_chloride [FeCl2] chebi_ontology ferrous chloride iron dichloride iron(2+) chloride iron(II) chloride iron coordination entity