Ammonium cerium(IV) sulfate

Ammonium cerium(IV) sulfate

Identifiers
CAS Number	10378-47-9
ChemSpider	17339565
Jmol interactive 3D	Image
SMILES [Ce+4].[O-]S(=O)(=O)[O-].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.O.O.[NH4+].[NH4+].[NH4+].[NH4+]
Properties
Chemical formula	H20N4S4O18Ce
Molar mass	632.55 g/mol
Appearance	Orange-colored solid
Solubility in water	soluble in water
Hazards
Main hazards	Irritant
R-phrases	R36, R37, R38
S-phrases	S26, S36
NFPA 704	OX
Related compounds
Related compounds	Cerium(IV) 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

Ammonium cerium(IV) sulfate is an inorganic compound with the formula (NH₄)₄Ce(SO₄)₄^.2 H₂O. It is an orange-colored solid. It is a strong oxidant, the potential for reduction is about +1.44V. Cerium(IV) sulfate is a related compound.

Structure

A crystallographic study shows that the compound contains the Ce₂(SO₄)₈⁸⁻ anion, where the cerium atoms are 9 coordinated by oxygen atoms belonging to sulfate groups, in a distorted tricapped trigonal prism.^[1]

References

1. Shan, Y.; Huang, S. D. (1998). "(NH4)8[Ce2(SO4)8] .4H2O". Acta Crystallographica Section C Crystal Structure Communications 54 (12): 1744–1745. doi:10.1107/S0108270198007057. ISSN 0108-2701.