3-Butyn-1-ol

CAS Registry Number®

927-74-2

CAS Name

3-Butyn-1-ol

Molecular Formula

C4H6O

Molecular Mass

70.09

Cite this Page

3-Butyn-1-ol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=927-74-2 (retrieved 2025-03-31) (CAS RN: 927-74-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    55 °C @ Press: 2 Torr

  • Melting Point (2)

    -63.6 °C

  • Density (3)

    0.9236 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H6O/c1-2-3-4-5/h1,5H,3-4H2

InChIKey

InChIKey=OTJZCIYGRUNXTP-UHFFFAOYSA-N

SMILES

C(C#C)CO

Canonical SMILES

C#CCCO

Other Names for this Substance

  • 3-Butyn-1-ol
  • 1-Butyn-4-ol
  • (2-Hydroxyethyl)acetylene
  • 3-Butynol
  • 4-Hydroxy-1-butyne

View All

Deleted or Replaced CAS Registry Numbers

2855112-12-6

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.