Sodium tetraborate pentahydrate

CAS Registry Number®

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CAS Name

Sodium tetraborate pentahydrate

Molecular Formula


Cite this Page

Sodium tetraborate pentahydrate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d. (retrieved 2021-10-19) (CAS RN: 12179-04-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

Other Names for this Substance

  • Boron sodium oxide (B4Na2O7), hydrate (1:5)
  • Boric acid (H2B4O7), disodium salt, pentahydrate
  • Boron sodium oxide (B4Na2O7), pentahydrate
  • Sodium borate (Na2B4O5(OH)4) trihydrate
  • Sodium tetraborate pentahydrate

Deleted or Replaced CAS Registry Numbers

910783-72-1, 950582-74-8, 1039387-28-4, 1186126-94-2, 1262222-68-3, 1262281-54-8, 1262426-51-6