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Potassium metaborate

CAS 13709-94-9

Also registered as 3 other CAS numbers

12228-49-8 · 358718-11-3 · 950582-62-4

Potassium metaborate chemical structure

Concern score

Not assessed — no hazard data yet.

Potassium metaborate in plain language

What it is

Also known as Potassium borate (KBO2) · Boron potassium oxide (BKO2) · potassium oxido(oxo)borane · Boric acid (HBO2), potassium salt (1:1) · Boric acid (HBO2), potassium salt · Boric acid (HBO2)​, potassium salt (1:1)

Show all 14 names

Jvuywilpybcnng-uhfffaoysa-n · Potassium borate · Potassium metaborate trihydrate · Potassium metaborate, >=31% B2O3 basis, >=42% K2O basis · Q15627939 · UNII-XZM213L7Q6 · potassium metaborate (kbo2) · potassium;oxido(oxo)borane

What it does

We don't have a plain-language description for Potassium metaborate yet.

Recorded functional uses: Chemical reaction regulator

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

Regulation

No restrictions found. Potassium metaborate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 40 composition records across product categories including Specialty occupational products, Medical/dental, Raw materials. EPA CPDat classifies this chemical for functional uses including Chemical reaction regulator.
    • EPA CPDat observed this chemical in 40 composition records across product categories including Specialty occupational products, Medical/dental, Raw materials. EPA CPDat classifies this chemical for functional uses including Chemical reaction regulator.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 Potassium metaborate 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 2020-03-12

    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 Potassium metaborate in a product composition. These are source records, not Greenveil catalog products.

Source records

40

Named organisations

2

Specialty occupational productsMedical/dentalRaw materials

Typical roles

Chemical reaction regulator
See products using Potassium metaborate →

Catalog

Found in these products

Their ingredient lists include Potassium metaborate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.