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2,2-bis(bromomethyl) propane-1,3-diol

CAS 3296-90-0 · 100/100 · High conf.

2,2-bis(bromomethyl) propane-1,3-diol chemical structure

Concern score

100/100Critical concern based on regulatory listings.
High confidence

2,2-bis(bromomethyl) propane-1,3-diol in plain language

What it is

Also known as Pentaerythritol dibromide · 2,2-Bis(bromomethyl)-1,3-propanediol · 2,2-Bis(bromomethyl)propane-1,3-diol · Pentaerythritol dibromohydrin · 1,3-DIBROMO-2,2-DIMETHYLOLPROPANE · 1,3-Dibromo-2,2-bis(hydroxymethyl)propane

Show all 18 names

1,3-Dibromo-2,2-dihydroxymethylpropane · 1,3-Propanediol, 2,2-bis(bromomethyl)- · 2,2-Bis(bromomethyl)-1,3- propanediol · 2,2-DIBROMOMETHYL-1,3-PROPANEDIOL · 2,2-bis(bromomethyl)propanediol · Bbmp · Dibromopentaerythritol · Dibromoneopentyl glycol · Dibromoneopentylglycol · Fr 1138 · Fr 522 · NCI-C55516

What it does

We don't have a plain-language description for 2,2-bis(bromomethyl) propane-1,3-diol yet.

Recorded functional uses: Flame retardant

Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

2,2-bis(bromomethyl) propane-1,3-diol is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActiveCosmetics Regulation annex II / ref 1665.
    • Cosmetics Regulation annex II / ref 1665.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flame retardant.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including 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 2,2-bis(bromomethyl) propane-1,3-diol. 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 2,2-bis(bromomethyl) propane-1,3-diol yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2021-11-03

    Open →
  • EPA Chemical and Products Database

    exposure · updated March 8, 2019

    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

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed 2,2-bis(bromomethyl) propane-1,3-diol in a product composition. These are source records, not Greenveil catalog products.

Named organisations

4

Typical roles

Flame retardant
See products using 2,2-bis(bromomethyl) propane-1,3-diol →