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Tin(II) sulfate

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Tin(II) sulfate
Names
Other names
Stannous sulfate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.457 Edit this at Wikidata
EC Number
  • 231-302-2
  • InChI=1S/H2O4S.Sn.2H/c1-5(2,3)4;;;/h(H2,1,2,3,4);;;/q;+2;;/p-2 checkY
    Key: RCIVOBGSMSSVTR-UHFFFAOYSA-L checkY
  • InChI=1/H2O4S.Sn.2H/c1-5(2,3)4;;;/h(H2,1,2,3,4);;;/q;+2;;/p-2/rH2O4S.H2Sn/c1-5(2,3)4;/h(H2,1,2,3,4);1H2/q;+2/p-2
    Key: RCIVOBGSMSSVTR-YHUAHBEBAB
  • [O-]S(=O)(=O)[O-].[SnH2+2]
Properties
SnSO4
Molar mass 214.773 g/mol
Appearance white-yellowish crystalline solid
deliquescent
Density 4.15 g/cm3
Melting point 378 °C (712 °F; 651 K)
Boiling point decomposes to SnO2 and SO2
33 g/100 mL (25 °C)
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
2207 mg/kg (oral, rat)
2152 mg/kg (oral, mouse)[1]
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).
checkY verify (what is checkY☒N ?)

Tin(II) sulfate (SnSO4) is a chemical compound. It is a white solid that can absorb enough moisture from the air to dissolve in it, forming a solution; this property is known as deliquescence. It can be prepared by a displacement reaction between metallic tin and copper(II) sulfate:[2]

Sn (s) + CuSO4 (aq) → Cu (s) + SnSO4 (aq)

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.[2][3]

References

  1. ^ "Tin (inorganic compounds, as Sn)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  2. ^ a b Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 451. ISBN 978-0-08-022057-4.
  3. ^ 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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