Acetylene

CAS Registry Number®

74-86-2

CAS Name

Acetylene

Molecular Formula

C2H2

Molecular Mass

26.04

Cite this Page

Acetylene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=74-86-2 (retrieved 2024-11-21) (CAS RN: 74-86-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    -84.0 °C @ Press: 760 Torr

  • Melting Point (1)

    -80.8 °C

  • Density (1)

    0.6208 g/cm³ @ Temp: -82 °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/C2H2/c1-2/h1-2H

InChIKey

InChIKey=HSFWRNGVRCDJHI-UHFFFAOYSA-N

SMILES

C#C

Canonical SMILES

C#C

Other Names for this Substance

  • Ethyne
  • Acetylene
  • Vinylene
  • Ethine
  • Narcylen

View All

Deleted or Replaced CAS Registry Numbers

57113-74-3

CAS INSIGHTSTM
Targeted protein degrader structure, illustration