Borax (B4Na2O7.10H2O)

CAS Registry Number®

1303-96-4
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CAS Name

Borax (B4Na2O7.10H2O)

Molecular Formula

B4Na2O7.10H2O

Cite this Page

Borax (B4Na2O7.10H2O).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1303-96-4 (retrieved 2025-01-28) (CAS RN: 1303-96-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    320 °C

  • Melting Point (1)

    75 °C

  • Density (2)

    1.73 g/cm³

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

Other Names for this Substance

  • Borax (B4Na2O7.10H2O)
  • Borax
  • Borascu
  • Borax decahydrate
  • Boricin

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Deleted or Replaced CAS Registry Numbers

1344-90-7, 12322-85-9, 12447-40-4, 61028-24-8, 71377-02-1, 910783-71-0, 950582-60-2, 1242163-03-6, 1443500-22-8, 1820039-99-3