Iron(II) sulfide
| Names | |
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| Other names
Iron sulfide, ferrous sulfide, black iron sulfide, protosulphuret of iron
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.013.881 |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| FeS | |
| Molar mass | 87.910 g/mol |
| Appearance | Grey, sometimes in lumps or powder |
| Density | 4.84 g/cm3 |
| Melting point | 1,194 °C (2,181 °F; 1,467 K) |
| negligible (insoluble) | |
| Solubility | reacts in acid |
| +1074·10−6 cm3/mol | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards
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Source of hydrogen sulfide, can be pyrophoric |
| NFPA 704 (fire diamond) | |
| variable | |
| Related compounds | |
Other anions
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Iron(II) oxide Iron(II) selenide Iron(II) telluride |
Other cations
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Manganese(II) sulfide Cobalt(II) sulfide |
| Iron(III) sulfide | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Iron(II) sulfide or ferrous sulfide (Br.E. sulphide) is one of a family of chemical compounds and minerals with the approximate formula FeS. Iron sulfides are often iron-deficient non-stoichiometric. All are black, water-insoluble solids.