| Identification | Back Directory | [Name]
2,2',4,4'-TETRABROMODIPHENYL ETHER | [CAS]
5436-43-1 | [Synonyms]
BDE-47
PBDE-47
NSC 21724
PBDECONGENER47
2,2′,4,4′-TetraBDE
BDE No 47 solution
Bis(2,4-dibromophenyl) ether
4,4'-Oxybis(1,3-dibromobenzene)
1,1'-Oxybis(2,4-dibromobenzene)
2,2',4,4'-TETRABROMODIPHENYL ETHER
2,2',4,4'-Tetrabromodiphenyl oxide
2,2',4,4'-Tetrabromo[1,1'-oxybisbenzene]
2,4-dibromo-1-(2,4-dibromophenoxy)benzene
BDE-47(2,2',4,4'-Tetrabromodiphenyl Ether)
2,2',4,4'-Tetrabromodiphenyl ether 100mg [5436-43-1]
2,2’,4,4'Tetrabromodiphenyl ether,50ug/ml in Isooctane
2,2μ,4,4μ-TetraBDE, 2,2μ,4,4μ-Tetrabromodiphenyl ether solution, PBDE 47 | [EINECS(EC#)]
208-759-1 | [Molecular Formula]
C12H6Br4O | [MDL Number]
MFCD00626457 | [MOL File]
5436-43-1.mol | [Molecular Weight]
485.791 |
| Chemical Properties | Back Directory | [Melting point ]
83-84℃ (ethanol ) | [Boiling point ]
396 °C | [density ]
2.161±0.06 g/cm3(Predicted) | [Fp ]
-12 °C | [storage temp. ]
2-8°C | [solubility ]
Methanol: Soluble | [form ]
Solid | [color ]
White to off-white | [InChI]
InChI=1S/C12H6Br4O/c13-7-1-3-11(9(15)5-7)17-12-4-2-8(14)6-10(12)16/h1-6H | [InChIKey]
XYBSIYMGXVUVGY-UHFFFAOYSA-N | [SMILES]
C1(OC2=CC=C(Br)C=C2Br)=CC=C(Br)C=C1Br | [EPA Substance Registry System]
Benzene, 2,4-dibromo-1-(2,4-dibromophenoxy)- (5436-43-1) |
| Hazard Information | Back Directory | [Uses]
2,4,2'',4''-Tetrabromodiphenyl Ether, is one of the Polybrominated di-Ph ethers (PBDEs), which are a new class of global, persistent, and toxic contaminants. It is used as Brominated flame retardants (BFRs) in various consumer products. One of the new POPs under the Stockholm Convention | [Definition]
ChEBI: 2,2',4,4'-Tetrabromodiphenyl ether is an organobromine compound and an aromatic ether. | [Synthesis]
The general procedure for the synthesis of 2,2,4,4-tetrabromodiphenyl ether using 2,4-dibromophenol as starting material: SiO2-ZrO2 (0.05 g) and 2,4-dibromophenol (2.50 g) were placed in a mortar and fully ground for 12 min. After the reaction was completed, n-pentane was used as eluent, and the reaction mixture was separated and purified by silica gel column chromatography, resulting in 2.16 g of white solid product in 89% yield. | [References]
[1] Patent: CN106957218, 2017, A. Location in patent: Paragraph 0043-0047 |
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