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2,2',3,4,4',5,6-Heptabromodiphenyl ether

Also known as: BDE-181, PBDE 181, 2,2',3,4,4',5,6-Heptabromodiphenyl ether, 2,2',3,4,4',5,6-heptaBDE, BDE No 181

2,2',3,4,4',5,6-Heptabromodiphenyl ether (CAS 189084-67-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H3Br7O and a molecular weight of 722.480 g/mol. Key properties include a boiling point of 489.1±45.0 °C at 760 mmHg, a density of 2.6±0.1 g/cm3 and a flash point of 204.5±27.2 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
189084-67-1
Jingsj CID
J-1105996-1
Molecular Formula
C12H3Br7O
Molecular Weight
722.480 g/mol
Category
Ethers
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point489.1±45.0 °C at 760 mmHg
Density2.6±0.1 g/cm3
Flash Point204.5±27.2 °C
Exact Mass715.446716
PSA9.23000
LogP9.31
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.708
Storage Conditions2-8°C

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H304
  • H315 — Causes skin irritation
  • H336 — May cause drowsiness or dizziness
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,2',3,4,4',5,6-Heptabromodiphenyl ether?

The CAS number of 2,2',3,4,4',5,6-Heptabromodiphenyl ether is 189084-67-1.

What are the molecular formula and molecular weight of 2,2',3,4,4',5,6-Heptabromodiphenyl ether?

2,2',3,4,4',5,6-Heptabromodiphenyl ether has molecular formula C12H3Br7O and molecular weight 722.480 g/mol.

Is 2,2',3,4,4',5,6-Heptabromodiphenyl ether hazardous?

2,2',3,4,4',5,6-Heptabromodiphenyl ether has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "2,2',3,4,4',5,6-Heptabromodiphenyl ether (CAS 189084-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1105996-1 (accessed 2026-11-06).

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