Tin(II) sulfate
Tin(II) sulfate (SnSO4) is a chemical compound. It is a white solid that can absorb enough moisture from the air to become fully dissolved, forming an aqueous solution; this property is known as deliquescence. It can be prepared by a displacement reaction between metallic tin and copper(II) sulfate:[4]
- Sn (s) + CuSO4 (aq) → Cu (s) + SnSO4 (aq)
![]() Unit cell of tin(II) sulfate. | |
Names | |
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Other names
Stannous sulfate | |
Identifiers | |
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ChemSpider | |
ECHA InfoCard | 100.028.457 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
SnSO4 | |
Molar mass | 214.773 g/mol |
Appearance | white-yellowish crystalline solid deliquescent |
Density | 5.15 g/cm3 |
Melting point | 378 °C (712 °F; 651 K) |
Boiling point | decomposes to SnO2 and SO2 |
33 g/100 mL (25 °C) | |
Structure[1] | |
Primitive orthorhombic | |
Pnma, No. 62 | |
Hazards | |
NFPA 704 (fire diamond) | |
Flash point | Non-flammable |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
2207 mg/kg (oral, rat) 2152 mg/kg (oral, mouse)[3] |
Related compounds | |
Other anions |
Tin(II) chloride, tin(II) bromide, tin(II) iodide |
Other cations |
Lead(II) sulfate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Infobox references | |
Tin(II) sulfate is a convenient source of tin(II) ions uncontaminated by tin(IV) species.
Structure
In the solid state the sulfate ions are linked together by O-Sn-O bridges. The tin atom has three oxygen atoms arranged pyramidally at 226 pm with the three O-Sn-O bond angles of 79°, 77.1° and 77.1°. Other Sn-O distances are longer ranging from 295 - 334pm.[4][5]
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References
- doi:10.1107/S0567740872003322
- doi:10.1107/S0567740872003322
- "Tin (inorganic compounds, as Sn)". Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 451. ISBN 978-0-08-022057-4.
- Donaldson, J. D.; Puxley, D. C. (1972). "The crystal structure of tin(II) sulphate". Acta Crystallographica Section B. 28 (3): 864–867. doi:10.1107/S0567740872003322. ISSN 0567-7408.
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