Fuming sulfuric acid

CAS Registry Number®

8014-95-7
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CAS Name

Fuming sulfuric acid

Molecular Formula

H2O4S.O3S

Cite this Page

Fuming sulfuric acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=8014-95-7 (retrieved 2022-06-26) (CAS RN: 8014-95-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Density (1)

    1.9 g/cm3

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)

Other Names and Identifiers

InChI

InChI=1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4);

InChIKey

InChIKey=HIFJUMGIHIZEPX-UHFFFAOYSA-N

SMILES

S(=O)(=O)=O.S(=O)(=O)(O)O

Canonical SMILES

O=S(=O)=O.O=S(=O)(O)O

Other Names for this Substance

  • Sulfuric acid, mixt. with sulfur trioxide
  • Sulfur trioxide, mixt. contg.
  • Oleum
  • Sulfuric acid fuming
  • Fuming sulfuric acid

Deleted or Replaced CAS Registry Numbers

17107-61-8