Diborane

CAS Registry Number®

19287-45-7

CAS Name

Diborane

Molecular Formula

B2H6

Molecular Mass

27.67

Cite this Page

Diborane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=19287-45-7 (retrieved 2025-07-18) (CAS RN: 19287-45-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    -92.5 °C

  • Melting Point (1)

    -165 °C

  • Density (1)

    0.33 g/cm³ @ Temp: -29.6 °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/B2H6/c1-3-2-4-1/h1-2H2

InChIKey

InChIKey=KLDBIFITUCWVCC-UHFFFAOYSA-N

SMILES

[BH2]1[H][BH2][H]1

Canonical SMILES

[H]1[BH2][H][BH2]1

Other Names for this Substance

  • Diborane(6)
  • Diboron hexahydride
  • Diborane
  • Diborane (B2H6)
  • Borane (B2H6)

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Deleted or Replaced CAS Registry Numbers

133441-46-0, 1304-00-3, 16970-81-3, 19287-88-8, 849231-16-9