Bismuth oxide (Bi2O3)

CAS Registry Number®

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CAS Name

Bismuth oxide (Bi2O3)

Molecular Formula


Cite this Page

Bismuth oxide (Bi2O3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d. (retrieved 2022-12-09) (CAS RN: 1304-76-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

Other Names for this Substance

  • Bismuth oxide (Bi2O3)
  • C.I. 77160
  • Bismuthous oxide
  • Bismuth trioxide
  • Bismuth yellow

Deleted or Replaced CAS Registry Numbers

11090-09-8, 477850-83-2, 163831-49-0