Ammonium octamolybdate

CAS Registry Number®

12411-64-2

CAS Name

Ammonium octamolybdate

Molecular Formula

H4N.1/4Mo8O26

Molecular Mass

1255.59

Cite this Page

Ammonium octamolybdate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=12411-64-2 (retrieved 2025-06-27) (CAS RN: 12411-64-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/8Mo.4H3N.26O/h;;;;;;;;4*1H3;;;;;;;;;;;;;;;;;;;;;;;;;;/q6*+2;2*+4;;;;;;;;;;;;;;;;;;;12*-2/p+4

InChIKey

InChIKey=UZWYXNLRGMRHEW-UHFFFAOYSA-R

SMILES

O=[Mo+4]1234[O-2]567[Mo+4]89%10(=O)[O-2]1%11%12[Mo+2]%13%14(=O)(=O)[O-2]2[Mo+2]5(=O)(=O)([O-2]8%13)[O-2][Mo+2]6(=O)(=O)([O-2]9)[O-2][Mo+2]7%15(=O)(=O)[O-2]3[Mo+2]%11(=O)(=O)([O-2]%10%15)[O-2][Mo+2]%12(=O)(=O)([O-2]4)[O-2]%14.[NH4+]

Canonical SMILES

O=[Mo+2]123(=O)[O-2][Mo+2]45(=O)(=O)[O-2]6[Mo+2]78(=O)(=O)[O-2][Mo+2]9%10(=O)(=O)[O-2][Mo+2]%11%12(=O)(=O)[O-2]%13[Mo+2]%14(=O)(=O)([O-2]1)[O-2]%11[Mo+4]%15(=O)([O-2]9)([O-2]47)[O-2]25%14[Mo+4]6%13(=O)([O-2]3)[O-2]%108%12%15.[NH4+]

Other Names for this Substance

  • Molybdate (Mo8O264-), ammonium (1:4)
  • Molybdic acid (H4Mo8O26), tetraammonium salt
  • Molybdate (Mo8O264-), tetraammonium
  • Ammonium molybdate(VI) ((NH4)4Mo8O26)
  • Tetraammonium octamolybdate

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Deleted or Replaced CAS Registry Numbers

839684-47-8, 960363-34-2, 960363-37-5

CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.