Iron(II) sulfate

• Catalog No.: Iron(II)_sulfate
• CAS Number: 7720-78-7
• M. F.: FeO4S
• M. W.: 151.9076

SYNONYMS

• IUPAC name: λ^2-iron(2+) ion sulfate
• IUPAC Traditional name: λ^2-iron(2+) ion sulfate
• Synonyms: szomolnokite; green vitriol; copperas; Ferrous sulfate; iron vitriol; melanterite

DATABASE IDS

• Chemspider ID: 22804
• PubChem CID: 24393
• EC Number: 231-753-5
• CHEMBL: 1200830
• Unique Ingredient Identifier: RIB00980VW
• ATC CODE: B03AA07
• CAS Number: 7720-78-7
• Wikipedia Title: Iron(II)_sulfate

PROPERTIES

• Flash Point: Non-flammable
• Melting Point: 70 °C (dehydration of heptahydrate) ; 400 °C (decomp)
• Std molar entropy: 121 J·mol^-1·K^-1
• Odor: odorless
• Refractive Index: 1.536 (pentahydrate) ; 1.478 (heptahydrate)
• Solubility: 25.6 g/100mL (anhydrous) ; 48.6 g/100 mL (heptahydrate) (50 °C) in water
• Solubility: negligible in alcohol
• Apperance: blue/green or white crystals
• Std enthalpy of formation: -929 kJ·mol^-1
• Density: 2.84 g/cm^3 (anhydrous) ; 2.2 g/cm^3 (pentahydrate) ; 1.898 g/cm^3 (heptahydrate)
• EU Index: 026-003-00-7 (anhydrous); 026-003-01-4 (heptahydrate)
• European Hazard Symbols: Harmful (Xn)
• European Hazard Symbols: Irritant (Xi)
• NFPA704:
  

  0

  1

  0
• Risk Statements: R22, R36/38
• RTECS: NO8500000
• Safety Statements: S2, S46