1-Pentyn-3-ol

CAS Registry Number®

4187-86-4

CAS Name

1-Pentyn-3-ol

Molecular Formula

C5H8O

Molecular Mass

84.12

Cite this Page

1-Pentyn-3-ol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4187-86-4 (retrieved 2025-08-02) (CAS RN: 4187-86-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    62 °C @ Press: 42 Torr

  • Density (2)

    0.8834 g/cm³ @ Temp: 25 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8O/c1-3-5(6)4-2/h1,5-6H,4H2,2H3

InChIKey

InChIKey=LBSKEFWQPNVWTP-UHFFFAOYSA-N

SMILES

C(CC)(C#C)O

Canonical SMILES

C#CC(O)CC

Other Names for this Substance

  • 1-Pentyn-3-ol
  • Ethylethynylcarbinol
  • 3-Hydroxy-1-pentyne
  • (RS)-1-Pentyn-3-ol
  • NSC 60556

View All

Deleted or Replaced CAS Registry Numbers

65253-21-6

CAS INSIGHTSTM
This is the vasculature of an actual heart (porcine heart, identical to human heart).