Name | ARSENATE |
Synonyms | ARSENATE Arsorate Arsenate(3-) Tetraoxoarsenate(3-) Tetraoxidoarsenate(3-) |
CAS | 15584-04-0 |
Molecular Formula | AsO4(-3) |
Molar Mass | 138.92 |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Overview | arsenate is a collective term for Ortho-arsenate, meta-arsenate, and pyroarsenate. The chemical formulae are M I H2AsO4, M2 I HAsO4, M3 I AsO4 • nH2O, M I AsO3 and M4 I As2O7(M I represents a monovalent positive ion), respectively. Toxic. Commonly referred to as arsenate. The alkali metal arsenate is soluble in water, such as sodium arsenate Na3AsO4, potassium arsenate dihydrogen KH2AsO4, etc. Arsenates of other metals are hardly soluble in water, such as calcium arsenate Ca3(AsO4)2, lead arsenate Pb3(AsO4)2, silver arsenate Ag3AsO4, etc. |
Application | arsenate can react with arsenate by metal hydroxide, arsenous acid salt solution oxidation or soluble metal salt and sodium arsenate in aqueous solution derived. Used as pesticides, etc. |