Silver arsenate is an inorganic compound with the formula Ag3AsO4.[3] It has been used in qualitative analysis to distinguish between phosphate (Ag3PO4 is yellow) and arsenate(V) solutions.[4]

Silver arsenate
Names
IUPAC name
Silver arsorate
Other names
Trisilver arsorate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.477 Edit this at Wikidata
EC Number
  • 236-841-7
UNII
  • InChI=1S/3Ag.AsH3O4/c;;;2-1(3,4)5/h;;;(H3,2,3,4,5)/q3*+1;/p-3
    Key: IMGNYAPMSDUASV-UHFFFAOYSA-K
  • [O-][As](=O)([O-])[O-].[Ag+].[Ag+].[Ag+]
Properties
Ag3AsO4
Molar mass 462.52 g/mol
Appearance brown powder/lumps
Density 6.657 g/cm3
Melting point 830 °C (1,530 °F; 1,100 K) (decomposes)
0.64 mg/L
1.03×10−22[1]
Solubility soluble in acid, aqueous ammonia
Structure
cubic
Thermochemistry
-634 kJ/mol
Hazards
GHS labelling:[2]
GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Danger
H301, H331, H350, H410
P201, P202, P261, P264, P270, P271, P273, P281, P301+P310, P304+P340, P308+P313, P311, P330, P391, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

edit
  1. ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–189. ISBN 978-1138561632.
  2. ^ "Silver arsenate". pubchem.ncbi.nlm.nih.gov. Retrieved 15 December 2021.
  3. ^ American elements
  4. ^ Godfrey, S.M.; et al. (1998). "Chapter 3". In Norman, N.C. (ed.). Chemistry of Arsenic, Antimony and Bismuth. Blackie Academic and Professional. ISBN 0-7514-0389-X.