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Hexabromocyclododecane

CAS 25637-99-4

Also registered as 1 other CAS number

22374-57-8

Concern score

Not assessed — no hazard data yet.

Hexabromocyclododecane in plain language

What it is

Also known as Hexabromocyclododecane (mixed isomers) · 1,2,5,6,9,10-Hexabromocyclododecane · Bromkal 73-6CD · Cyclododecane, hexabromo- · Hexabromocyclododecane (25637-99-4). · Hexabromocyclododecane (HBCD)

Show all 15 names

mixed isomers Hexabromocyclododecane · Myflam 11645 · Nicca Fi-None TS 88 · Pyroguard SR 103HR · Pyrovatex 3887 · Saytex hbcd · Safron 5261 · Saytex HBCD-LM · hbcd

What it does

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

Recorded functional uses: Flame retardant

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

Regulation

No restrictions found. Hexabromocyclododecane appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 5 composition records across product categories including Construction and building materials. EPA CPDat classifies this chemical for functional uses including Flame retardant.
    • EPA CPDat observed this chemical in 5 composition records across product categories including Construction and building materials. EPA CPDat classifies this chemical for functional uses including Flame retardant.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Evidence & sources

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

4 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated FEBRUARY 7, 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 →

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

Source records

5

Named organisations

6

Construction and building materials

Typical roles

Flame retardant
See products using Hexabromocyclododecane →