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  • cleaning
  • industrial

Barium oxide (BaO)

CAS 1304-28-5

Also registered as 2 other CAS numbers

12231-51-5 · 1269419-45-5

Barium oxide (BaO) chemical structure

Concern score

Not assessed — no hazard data yet.

Barium oxide (BaO) in plain language

What it is

Also known as Barium oxide · Barium Oxide Nanoparticle Dispersion · (Oxido)barium · Barium monoxide · Barium protoxide · Calcined baryta

Show all 14 names

barium(2+);oxygen(2-) · Baria · Barium oxide (Ba2O2) · Baryta · Cssyltmkcuorda-uhfffaoysa-n · barium oxide (pel/tlv as ba) · anhydrous barium oxide · barium oxide, obtained by calcining witherite

What it does

We don't have a plain-language description for Barium oxide (BaO) yet.

Recorded functional uses: Component in glass mixture · Glaze · Tile body

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Barium oxide (BaO) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 98 composition records across product categories including Furniture and furnishings, Electronics/small appliances, Home maintenance. EPA CPDat classifies this chemical for functional uses including tile body, component in glass mixture, glaze.
    • EPA CPDat observed this chemical in 98 composition records across product categories including Furniture and furnishings, Electronics/small appliances, Home maintenance. EPA CPDat classifies this chemical for functional uses including tile body, component in glass mixture, glaze.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Barium oxide (BaO) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated march 23, 2017

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Barium oxide (BaO) in a product composition. These are source records, not Greenveil catalog products.

Source records

98

Named organisations

3

Furniture and furnishingsElectronics/small appliancesHome maintenanceLaboratory suppliesConstruction and building materialsMedical/dental

Typical roles

Component in glass mixtureGlazeTile body
See products using Barium oxide (BaO) →