Silver arsenate

Silver arsenate

Names
IUPAC name trisilver;trioxido(oxo)-λ5-arsane
Other names Trisilver arsorate
Identifiers
CAS Number	13510-44-6
EC Number	236-841-7
Jmol 3D model	Interactive image
PubChem	166835
InChI InChI=1S/3Ag.AsH3O4/c;;;2-1(3,4)5/h;;;(H3,2,3,4,5)/q3*+1;/p-3 Key: IMGNYAPMSDUASV-UHFFFAOYSA-K
SMILES [O-][As](=O)([O-])[O-].[Ag+].[Ag+].[Ag+]
Properties
Chemical formula	Ag2AsO4
Molar mass	462.52 g/mol
Appearance	brown powder/lumps
Density	6.657 g/cm^3
Melting point	830 °C (1,530 °F; 1,100 K) (decomposes)
Solubility in water	0.64 mg/L
Solubility	soluble in acid, aqueous ammonia
Structure
Crystal structure	cubic
Thermochemistry
Std enthalpy of formation (ΔfH^o298)	-634 kJ/mol
Hazards
EU classification (DSD)	not listed
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Silver arsenate is an inorganic compound with the formula Ag₂AsO₄. ^[1] It has been used in qualitative analysis to distinguish between phosphate(Ag₃PO₄ is yellow) and arsenate(V) solutions.^[2]

References

1. American elements
2. Godfrey, S.M.; et al. (1998). "Chapter 3". In Norman, N.C. Chemistry of Arsenic, Antimony and Bismuth. Blackie Academic and Professional. ISBN 0 7514 0389 X.