207122-16-5

Basic information

• Product Name: 2,2?3,4,4?5,6-HEPTABROMODIPHENYL ETHER
• Synonyms: 2,2μ,3,4,4μ,5μ,6-HeptaBDE, PBDE 183, 2,2μ,3,4,4μ,5μ,6-Heptabromodiphenyl ether solution;2,2',3,4,4',5',6'-Heptabromodiphenyl ether,50 ug/mL in Isooctane;2,2′,3,4,4′,5′,6-HeptaBDE;1,2,3,5-Tetrabromo-4-(2,4,5-tribromophenoxy)benzene
• CAS NO: 207122-16-5
• Molecular Formula: C₁₂H₃Br₇O
• Molecular Weight: 722.483
• EINECS: 208-759-1
• Mol File: 207122-16-5.mol
• Article Data: 3

Chemical Properties

• Melting Point: 174-174.5 °C(Solv: ethyl ether (60-29-7))
• Boiling Point: 490.7oC at 760 mmHg
• Flash Point: -12℃
• Appearance: /
• Density: 2.643g/cm3
• Vapor Pressure: 2.69E-09mmHg at 25°C
• Refractive Index: 1.707
• Storage Temp.: 2-8°C
• CAS DataBase Reference: 2,2?3,4,4?5,6-HEPTABROMODIPHENYL ETHER(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2?3,4,4?5,6-HEPTABROMODIPHENYL ETHER(207122-16-5)
• EPA Substance Registry System: 2,2?3,4,4?5,6-HEPTABROMODIPHENYL ETHER(207122-16-5)

Safety Data

• Hazard Codes: F,Xn,N
• Statements: 11-38-50/53-65-67
• Safety Statements: 9-16-29-33-60-61-62
• RIDADR: UN1262 - class 3 - PG 2 - Octanes, solution
• WGK Germany: 2
• Hazardous Substances Data: 207122-16-5(Hazardous Substances Data)

Usage

Chemical composition

A brominated flame-retardant chemical with the molecular formula C12H9Br7O2.

Usage

Widely used in consumer products such as electronics, textiles, and foam materials as a flame retardant.

Environmental persistence

PBDE-183 is known for its persistence in the environment, making it difficult to break down and remove.

Bioaccumulation

The chemical bioaccumulates in living organisms, leading to increased concentrations in the food chain.

Health risks

PBDE-183 has been linked to various health effects, including neurotoxicity, endocrine disruption, and potential carcinogenicity.

Regulation and phase-out

Due to its potential health risks and environmental persistence, PBDE-183 has been phased out and banned in many countries.

Search for alternatives

Efforts have been made to find safer alternatives for flame retardants in consumer products to replace PBDE-183.

InChI:InChI=1/C12H3Br7O/c13-4-1-6(15)9(3-5(4)14)20-12-8(17)2-7(16)10(18)11(12)19/h1-3H

Upstream product

• 1163-19-5 2,2',3,3',4,4',5,5',6,6'-Decabromodiphenyl ether 
• 615-54-3 1,2,4-tribromobenzene 
• 14400-94-3 2,3,4,6-tetrabromophenol 
• 366496-32-4 2,4,5-tribromoiodobenzene 
• 615-56-5 3,4-dibromophenol 
• 14401-61-7 2,4,5-tribromophenol 
• 591-18-4 1-Bromo-3-iodobenzene 
• 591-20-8 3-Bromophenol 
• 855429-70-8 2,4,5-tribromophenyl acetate 

Relevant articles and documents

Residues of polybrominated diphenyl ethers in honeys from different geographic regions

Polybrominated diphenyl ethers (PBDEs) are a class of widely used flame-retardants. Fifty honey samples labeled as being from different countries and regions were analyzed for 27 PBDE congeners. The concentrations of the 26 PBDEs, excluding BDE-209, ranged from 300 to 10,550 pg/g while the concentrations of BDE-209 ranged from nondetected to 9,260 pg/g. The honey samples labeled as originating In developed countries generally displayed higher concentrations of the total 27 PBDEs than those labeled as being from developing countries. Concentrations of 26 PBDEs ranged from 2,720 to 10,550 pg/g in honeys originating in developed countries and ranged from 1,030 to 3,470 pg/g in those from developing countries. BDE-209 was a dominant PBDE congener in all honey samples, on average accounting for 16% and 65% of the total 27 PBDEs in honeys from developed and developing countries, respectively. Honeys originating in developing countries, however, showed much higher BDE-209 levels and higher ratios of BDE-209 relative to the other PBDE congeners. In addition, some highly brominated PBDE congeners such as BDE196, -197, -206, and -207 showed elevated concentrations in honeys from developing countries. The findings were in agreement with the long, heavy historical uses of PBDE products in developed countries and the current, heavy uses of BDE-209 in developing countries. When BDE-209 was fortified in honey and incubated in the dark for four weeks at 25 or 60 °C, BDE-153, -183, -206, and -207 were detected as debromination products of BDE-209. Less brominated congeners in honeys may primarily come from the environment. Debromination of BDE-209 is also a source of less brominated congeners in honeys. The detection of PBDEs in honeys suggests that human exposure to PBDEs occurs as a result of honey consumption. 2010 American Chemical Society.