CAS 1 record

CAS 25637-99-4

CAS 25637-99-4 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 25637-99-4

CAS 25637-99-4PubChem CID 33121

Hexabromocyclododecane

IUPAC name: 1,3,5,7,9,11-hexabromocyclododecane

Molecular formula: C12H18Br6
Molecular weight: 641.7 g/mol
Exact mass: 641.64473 Da
XLogP3: 7.1
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 0
Covalent units: 1
Defined stereocentres: 0

Also known as

SAYTEX HBCDRefChem:217126PYROVATEX 38875I9835JO3M247-148-4Cyclododecane, hexabromo-HBCDDHexabromocyclododecane (Mixture of Diastereomers)

3 more reported names

LEOCKULGXOQRTQ-UHFFFAOYSA-NMSK2337-100BHexabromocyclododecane Solution in Acetone, 100ug/mL

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External database identifiers

EPA DTXSID:DTXSID20891513

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 25637-99-4

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How CAS 25637-99-4 is used on this site

CAS 25637-99-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 25637-99-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.