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ferrous chloride

Names IUPAC namesIron(II) chlorideIron dichlorideOther names Ferrous chlorideRokühniteIdentifiers CAS Number7758-94-316399-77-2 (dihydrate)13478-10-9 (tetrahydrate)3D model (JSmol)anhydrous: Interactive imagetetrahydrate: Interactive imageChEBICHEBI:30812ChemSpider22866ECHA InfoCard100.028.949EC Number231-843-4PubChemCID24458RTECS numberNO5400000UNIIS3Y25PHP1WCompTox Dashboard(EPA)DTXSID9029695InChIInChI=1S/2ClH.Fe/h2*1H;/q;;+2/p-2Key: NMCUIPGRVMDVDB-UHFFFAOYSA-LInChI=1/2ClH.Fe/h2*1H;/q;;+2/p-2Key: NMCUIPGRVMDVDB-NUQVWONBALSMILESanhydrous: Cl[Fe]Cltetrahydrate: Cl[Fe-4](Cl)([OH2+])([OH2+])([OH2+])[OH2+]Properties Chemical formulaFeCl2Molar mass126.751g/mol (anhydrous)198.8102g/mol (tetrahydrate) Appearance Tan solid (anhydrous)Pale green solid (di-tetrahydrate) Density3.16g/cm (anhydrous) 2.39g/cm (dihydrate) 1.93g/cm (tetrahydrate) Melting point677 °C (1,251 °F; 950 K) (anhydrous) 120 °C (dihydrate) 105 °C (tetrahydrate) Boiling point1,023 °C (1,873 °F; 1,296 K) (anhydrous) Solubility in water64.4g/100mL (10 °C),68.5g/100mL (20 °C),105.7g/100mL (100 °C) Solubility in THFSoluble log P−0.15 Magnetic susceptibility (χ)+14750·10cm/mol Structure Crystal structureMonoclinicCoordination geometryOctahedral at Fe Pharmacology ATC codeB03AA05 (WHO) Hazards GHS labelling: PictogramsSignal wordDangerHazard statementsH290, H302, H315, H317, H318, H412Precautionary statementsP234, P261, P264, P264+P265, P270, P272, P273, P280, P301+P317, P302+P352, P305+P354+P338, P317, P321, P330, P333+P317, P362+P364, P390, P501NFPA 704 (fire diamond) 300NIOSH (US health exposure limits): REL (Recommended)TWA 1mg/m Safety data sheet (SDS) Iron (II) chloride MSDSRelated compounds Other anionsIron(II) fluorideIron(II) bromideIron(II) iodideOther cationsCobalt(II) chlorideManganese(II) chlorideCopper(II) chlorideExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Nverify ( ?)

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