Phosphoric acid

CAS Registry Number®

7664-38-2
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CAS Name

Phosphoric acid

Molecular Formula

H3O4P

Molecular Mass

98.00

Cite this Page

Phosphoric acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7664-38-2 (retrieved 2024-03-04) (CAS RN: 7664-38-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    42.35 °C
  • Density (1)

    1.834 g/cm³ @ Temp: 18 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

InChIKey

InChIKey=NBIIXXVUZAFLBC-UHFFFAOYSA-N

SMILES

P(=O)(O)(O)O

Canonical SMILES

O=P(O)(O)O

Other Names for this Substance

  • Phosphoric acid
  • Orthophosphoric acid
  • EVITs
  • WC-Reiniger
  • Sonac

Deleted or Replaced CAS Registry Numbers

28602-75-7, 178560-73-1, 959699-83-3, 1021417-41-3, 1053657-23-0, 1196963-54-8, 1643589-98-3, 2055242-58-3

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