3-Butyn-2-ol

CAS Registry Number®

2028-63-9

CAS Name

3-Butyn-2-ol

Molecular Formula

C4H6O

Molecular Mass

70.09

Cite this Page

3-Butyn-2-ol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=65337-13-5 (retrieved 2025-03-20) (CAS RN: 2028-63-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    111 °C

  • Melting Point (2)

    -3 °C

  • Density (3)

    0.8848 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H6O/c1-3-4(2)5/h1,4-5H,2H3

InChIKey

InChIKey=GKPOMITUDGXOSB-UHFFFAOYSA-N

SMILES

C(C#C)(C)O

Canonical SMILES

C#CC(O)C

Other Names for this Substance

  • 3-Butyn-2-ol
  • Methyl ethynyl carbinol
  • 1-Butyn-3-ol
  • 1-Methyl-2-propyn-1-ol
  • 3-Methyl-1-propyn-3-ol

View All

Deleted or Replaced CAS Registry Numbers

123362-54-9, 65337-13-5

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