Hydrogen sulfide

CAS Registry Number®

7783-06-4

CAS Name

Hydrogen sulfide

Molecular Formula

H2S

Molecular Mass

34.08

Cite this Page

Hydrogen sulfide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7783-06-4 (retrieved 2025-07-18) (CAS RN: 7783-06-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    -60.33 °C

  • Melting Point (1)

    -85.49 °C

  • Density (2)

    0.347 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/H2S/h1H2

InChIKey

InChIKey=RWSOTUBLDIXVET-UHFFFAOYSA-N

SMILES

S

Canonical SMILES

S

Other Names for this Substance

  • Hydrogen sulfide (H2S)
  • Hydrosulfuric acid
  • Stink damp
  • Sulfureted hydrogen
  • Sulfur hydride

View All

Deleted or Replaced CAS Registry Numbers

11144-15-3

CAS INSIGHTSTM
Webinar image of people on a WebEx conference