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166634

Sigma-Aldrich

4,4′-Dibromobenzophenone

97%

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About This Item

Linear Formula:
(BrC6H4)2CO
CAS Number:
3988-03-2
Molecular Weight:
340.01
Beilstein:
2049958
EC Number:
223-632-0
MDL number:
MFCD00016330
UNSPSC Code:
12352100
PubChem Substance ID:
24850175
NACRES:
NA.22

Assay

97%

form

powder

mp

171-174 °C (lit.)

SMILES string

Brc1ccc(cc1)C(=O)c2ccc(Br)cc2

InChI

1S/C13H8Br2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H

InChI key

LFABNOYDEODDFX-UHFFFAOYSA-N

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General description

4,4′-Dibromobenzophenone is the main degradation product of bromopropylate in honey.

Application

4,4′-Dibromobenzophenone was used in the synthesis of high molecular weight poly(p-phenylene) derivatives via palladium-catalyzed polycondensation reaction.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

166634-100G:
166634-VAR:
166634-1G:
166634-10G:
166634-BULK:
166634-250MG:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Pd-catalyzed polycondensation of aromatic monomers with functional groups.
Rehahn M, et al.
Makromol. Chem., Rapid Commun., 11(11), 535-539 (1990)
G Formica
Journal - Association of Official Analytical Chemists, 67(5), 896-901 (1984-09-01)
An analytical procedure is described for determination of residues of bromopropylate (BP) and its main degradation product 4,4'-dibromobenzophenone (BBP) in honey. The method also allows the determination of 4,4'-dibromobenzilic acid (BBA), a potential intermediate to BBP. The method involves dissolution

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