Boron oxide (B2O3)
CAS Registry Number®
1303-86-2
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CAS Name
Boron oxide (B2O3)Molecular Formula
B2O3Cite this Page
Boron oxide (B2O3). CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=1303-86-2 (retrieved ) (CAS RN: 1303-86-2). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
~1860 °C (approx)Melting Point (1)
450 °CDensity (1)
2.46 g/cm³
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
Other Names for this Substance
- Boron oxide (B2O3)
- Boric oxide
- Boron sesquioxide
- Boron trioxide
- Fused boric acid
Deleted or Replaced CAS Registry Numbers
12640-42-5, 56116-04-2, 56145-44-9, 56312-91-5, 56312-92-6, 56312-93-7, 56312-94-8, 91863-27-3, 102967-73-7, 144919-64-2, 163701-88-0, 1858211-82-1, 2566446-91-9