2,23,4,46Hexabromodiphenyl ether

Base Information

• Chemical Name: 2,23,4,46Hexabromodiphenyl ether
• CAS No.: 243982-83-4
• Molecular Formula: C₁₂H₄Br₆O
• Molecular Weight: 643.587
• Mol file: 243982-83-4.mol

Synonyms:BDE 140;PBDE 140;2,2',3,4,4',6'-Hexabromodiphenylether;

Chemical Property of 2,23,4,46Hexabromodiphenyl ether

Chemical Property:

• Vapor Pressure: 3.86E-08mmHg at 25°C
• Refractive Index: 1.695
• Boiling Point: 458.1°C at 760 mmHg
• Flash Point: 190.7°C
• PSA: 9.23000
• Density: 2.502±0.06 g/cm3 (20 oC 760 Torr), Calc.*
• LogP: 8.05390

Purity/Quality:

99% ^*data from raw suppliers

2,2',3,4,4',6'-HEXABROMODIPHENYL ETHER 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Uses: PBDE 140 is a related compound of PBDE 37 (P215200). PBDE 37 is a polybrominated diphenyl ether, an organobromine compound, used as a flame retardant in consumer products. PBDE 37 is also an environment pollutant that may lead to pregnancy failure.

Technology Process of 2,23,4,46Hexabromodiphenyl ether

There total 3 articles about 2,23,4,46Hexabromodiphenyl ether which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 20.0%

2,3',4,4',6-pentabromodiphenyl ether → 2,2',3,4,4',6'-hexabromodiphenyl ether (243982-83-4) + 2,2',4,4',5,6'-hexabromodiphenyl ether (207122-15-4)

Guidance literature:

With bromine; iron; In dichloromethane; at 80 ℃;

DOI:10.1021/es9902266

Reference yield:

2,4,6-tribromophenol (118-79-6) → 2,2',3,4,4',6'-hexabromodiphenyl ether (243982-83-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 8 percent / NaOH / H₂O

2: 20 percent / Br₂; iron powder / CH₂Cl₂ / 80 °C

With sodium hydroxide; bromine; iron; In dichloromethane; water; 1: Substitution / 2: Bromination;

DOI:10.1021/es9902266

Reference yield:

3,3',4,4'-tetrabromodiphenyliodonium chloride → 2,2',3,4,4',6'-hexabromodiphenyl ether (243982-83-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 8 percent / NaOH / H₂O

2: 20 percent / Br₂; iron powder / CH₂Cl₂ / 80 °C

With sodium hydroxide; bromine; iron; In dichloromethane; water; 1: Substitution / 2: Bromination;

DOI:10.1021/es9902266

upstream raw materials:

2,4,6-tribromophenol

Refernces