Sodium arsenate (Na2HAsO4)

CAS Registry Number®

7778-43-0

CAS Name

Sodium arsenate (Na2HAsO4)

Molecular Formula

AsH3O4.2Na

Cite this Page

Sodium arsenate (Na2HAsO4).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7778-43-0 (retrieved 2024-11-22) (CAS RN: 7778-43-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    57 °C

  • Density (2)

    1.87 g/cm³

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/AsH3O4.2Na/c2-1(3,4)5;;/h(H3,2,3,4,5);;

InChIKey

InChIKey=NRYOMRCWNKNXOX-UHFFFAOYSA-N

SMILES

[As](=O)(O)(O)O.[Na]

Canonical SMILES

[Na].O=[As](O)(O)O

Other Names for this Substance

  • Arsenic acid (H3AsO4), sodium salt (1:2)
  • Arsenic acid (H3AsO4), disodium salt
  • Sodium biarsenate
  • Disodium arsenate
  • Disodium hydrogen arsenate

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Deleted or Replaced CAS Registry Numbers

55957-14-7, 1363218-52-3, 2761943-12-6

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