cis-2,3-Epoxybutane

CAS Registry Number®

1758-33-4

CAS Name

cis-2,3-Epoxybutane

Molecular Formula

C4H8O

Molecular Mass

72.11

Cite this Page

cis-2,3-Epoxybutane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1758-33-4 (retrieved 2025-07-18) (CAS RN: 1758-33-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    59 °C

  • Melting Point (2)

    -80 °C

  • Density (3)

    0.8301 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1/C4H8O/c1-3-4(2)5-3/h3-4H,1-2H3/t3-,4+

InChIKey

InChIKey=PQXKWPLDPFFDJP-ZXZARUISNA-N

SMILES

C[C@H]1[C@@H](C)O1

Canonical SMILES

O1C(C)C1C

Other Names for this Substance

  • Oxirane, 2,3-dimethyl-, (2R,3S)-rel-
  • Butane, 2,3-epoxy-, cis-
  • Oxirane, 2,3-dimethyl-, cis-
  • rel-(2R,3S)-2,3-Dimethyloxirane
  • cis-2,3-Dimethyloxirane

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Deleted or Replaced CAS Registry Numbers

925669-95-0