Isopentane

CAS Registry Number®

78-78-4
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CAS Name

Isopentane

Molecular Formula

C5H12

Molecular Mass

72.15

Cite this Page

Isopentane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=78-78-4 (retrieved 2024-04-20) (CAS RN: 78-78-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    27.8 °C @ Press: 760 Torr
  • Melting Point (1)

    -159.9 °C
  • Density (1)

    0.6201 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3

InChIKey

InChIKey=QWTDNUCVQCZILF-UHFFFAOYSA-N

SMILES

C(CC)(C)C

Canonical SMILES

CCC(C)C

Other Names for this Substance

  • Butane, 2-methyl-
  • 2-Methylbutane
  • Isopentane
  • iso-Pentane
  • 1,1,2-Trimethylethane

Deleted or Replaced CAS Registry Numbers

68923-44-4, 92046-46-3, 1326305-74-1

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