Carbonic acid

CAS Registry Number®

463-79-6

CAS Name

Carbonic acid

Molecular Formula

CH2O3

Molecular Mass

62.02

Cite this Page

Carbonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=463-79-6 (retrieved 2024-11-24) (CAS RN: 463-79-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    211-212 °C

  • Density (2)

    2.147 g/cm³ (crystal) @ Press: 8 x 10⁶ Torr

Source(s)

Other Names and Identifiers

InChI

InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)

InChIKey

InChIKey=BVKZGUZCCUSVTD-UHFFFAOYSA-N

SMILES

C(=O)(O)O

Canonical SMILES

O=C(O)O

Other Names for this Substance

  • Carbonic acid
  • NSC 81688
  • MeSH ID: D002255

Deleted or Replaced CAS Registry Numbers

97328-76-2, 792143-57-8, 1185770-84-6, 1262833-09-9

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