Arsenic acid — properties from Wikipedia — wikidata.cheminfo.org

Arsenic acidArsenic acid or arsoric acid is the chemical compound with the formula H3AsO4, more descriptively written as AsO(OH)3. This colorless acid is the arsenic analogue of phosphoric acid. Read from the Chembox of the Wikipedia article Arsenic acid, revision 1380066954.

Property

Value

Formula

H3AsO4, 141.94 g/mol

Melting point

35.5 °C

Boiling point

120 °C

Density

2.5 g/cm³

pKa

11.5

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