Phosphonic acid

CAS Registry Number®

13598-36-2
No image available.

CAS Name

Phosphonic acid

Molecular Formula

H3O3P

Molecular Mass

82.00

Cite this Page

Phosphonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=13598-36-2 (retrieved 2024-07-16) (CAS RN: 13598-36-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    ~73 °C (approx)

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)

InChIKey

InChIKey=ABLZXFCXXLZCGV-UHFFFAOYSA-N

SMILES

P(=O)(O)O

Canonical SMILES

O=P(O)O

Other Names for this Substance

  • Phosphonic acid
  • Dihydroxyphosphine oxide

Deleted or Replaced CAS Registry Numbers

1135443-40-1