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Zinc borate

CAS 37221-82-2

Also registered as 2 other CAS numbers

59330-52-8 · 1332-07-6

Zinc borate chemical structure

Concern score

Not assessed — no hazard data yet.

Zinc borate in plain language

What it is

Also known as Zinc salt boric acid · Firebrake zb · Zinc borate (3/2) · ADK Stab M 2335 · Acide borique, sel de zinc · Alcanex FR 100

Show all 14 names

Alcanex FR 50 · Alcanex FRC 600 · Alcanex XF 100C · acido borico, sal de cinc · zinc borate (sara 313) (cercla) (mfr's cas no:138265-88-0) · zinc borate (sara 313) (cercla). mfr cas #138265-88-0 · zinc borate (sara iii) · zinc borate. ld50 >10 g/kg

What it does

Used in cosmetics as a humectant.

  • Humectant
  • Antimicrobial
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Zinc borate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveRestriction: II/1396
  • USEPAcommercial use observedEPA CPDat observed this chemical in 26 composition records across product categories including Construction and building materials, Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Biocide, vinyl film component, Flame retardant.
    • EPA CPDat observed this chemical in 26 composition records across product categories including Construction and building materials, Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Biocide, vinyl film component, Flame retardant.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Zinc borate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Zinc borate 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

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated may 12, 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 →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • MolluscsContains · Oral (ingested)

    Source: chemindex_name_match

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 Zinc borate in a product composition. These are source records, not Greenveil catalog products.

Source records

26

Named organisations

6

Construction and building materialsRaw materialsHome maintenanceFurniture and furnishings

Typical roles

HumectantAntimicrobial
See products using Zinc borate →