Spiro[2.2]pentane

CAS Registry Number®

157-40-4

CAS Name

Spiro[2.2]pentane

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

Spiro[2.2]pentane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=157-40-4 (retrieved 2025-03-30) (CAS RN: 157-40-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    36.5-37.5 °C

  • Melting Point (2)

    -134.6 °C

  • Density (3)

    0.7551 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-2-5(1)3-4-5/h1-4H2

InChIKey

InChIKey=OGNAOIGAPPSUMG-UHFFFAOYSA-N

SMILES

C12(CC1)CC2

Canonical SMILES

C1CC12CC2

Other Names for this Substance

  • Spiro[2.2]pentane
  • Spiropentane
  • [2]Triangulane

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.