1,2,5,6,9,10-Hexabromocyclododecane

Also known as: HBCD, Hexabromocyclododecane, HBCD HT, HBBCD, CD-75, Saytex HP-900, 1,2,5,6,9,10-Hexabromocyclododecane (HBCD), Cyclododecane, 1,2,5,6,9,10-hexabromo-

1,2,5,6,9,10-Hexabromocyclododecane (CAS 3194-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H18Br6 and a molecular weight of 641.695 g/mol. Key properties include a melting point of 173-177 ºC, a boiling point of 505.2±50.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 249.5±24.8 °C. It is classified under GHS with signal word Warning and hazard statements H361 — Suspected of damaging fertility or the unborn child, H362 and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3194-55-6
Jingsj CID: J-44833-2
Molecular Formula: C₁₂H₁₈Br₆
Molecular Weight: 641.695 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	173-177 ºC
Boiling Point	505.2±50.0 °C at 760 mmHg
Density	2.1±0.1 g/cm3
Flash Point	249.5±24.8 °C
Exact Mass	635.650818
LogP	6.63
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.598

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning

H361 — Suspected of damaging fertility or the unborn child
H362
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2903890090
Summary	2903890090. halogenated derivatives of cyclanic, cyclenic or cyclotherpenic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,2,5,6,9,10-Hexabromocyclododecane?

The CAS number of 1,2,5,6,9,10-Hexabromocyclododecane is 3194-55-6.

What are the molecular formula and molecular weight of 1,2,5,6,9,10-Hexabromocyclododecane?

1,2,5,6,9,10-Hexabromocyclododecane has molecular formula C12H18Br6 and molecular weight 641.695 g/mol.

Is 1,2,5,6,9,10-Hexabromocyclododecane hazardous?

1,2,5,6,9,10-Hexabromocyclododecane has GHS signal word Warning and hazard statements H361 — Suspected of damaging fertility or the unborn child; H362; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 1,2,5,6,9,10-Hexabromocyclododecane?

For 1,2,5,6,9,10-Hexabromocyclododecane, Upstream Products: trans,trans,cis-1,5,9-Cyclododecatriene, trans,trans,trans-1,5,9-cyclododecatriene; Downstream Products: heptalene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,2,5,6,9,10-Hexabromocyclododecane (CAS 3194-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44833-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.