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Merck
CN

45421

4,4′-DBP

PESTANAL®, analytical standard

Synonym(s):

4,4′-Dichlorobenzophenone, 4,4′-DBP

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About This Item

Linear Formula:
(ClC6H4)2CO
CAS Number:
90-98-2
Molecular Weight:
251.11
EC Number:
202-030-1
UNSPSC Code:
41116107
PubChem Substance ID:
329756718
Beilstein/REAXYS Number:
643345
MDL number:
MFCD00000623

Key Documents

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grade

analytical standard

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

bp

353 °C (lit.)

mp

144-146 °C (lit.)

application(s)

agriculture
environmental

format

neat

SMILES string

Clc1ccc(cc1)C(=O)c2ccc(Cl)cc2

InChI

1S/C13H8Cl2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H

InChI key

OKISUZLXOYGIFP-UHFFFAOYSA-N

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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C J Moudgal et al.
Environmental science & technology, 37(22), 5228-5235 (2003-12-06)
As part of the EPA's mission to protect the environment, chemicals of concern (CoCs) at Superfund or other hazardous waste sites are cleaned up based on their potential toxicity to humans and the surrounding ecosystem. Oftentimes, there is a lack
J A Bumpus et al.
Applied and environmental microbiology, 53(9), 2001-2008 (1987-09-01)
Extensive biodegradation of 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT) by the white rot fungus Phanerochaete chrysosporium was demonstrated by disappearance and mineralization of [14C]DDT in nutrient nitrogen-deficient cultures. Mass balance studies demonstrated the formation of polar and water-soluble metabolites during degradation. Hexane-extractable metabolites identified
[Comitogenic and immunosuppressant action of p,p-DDT and its derivatives on phytohemagglutinin-stimulated human lymphocytes].
I S Nikolaeva et al.
Doklady Akademii nauk SSSR, 253(2), 503-505 (1980-01-01)
M Fernández et al.
Chemosphere, 41(6), 801-812 (2000-06-23)
A study into levels of contamination by organochlorine compounds (insecticides and PCBs) and heavy metals (Cd and Pb) in the water/sediment system of the Southeast Regional Park (SERP) in Madrid, Spain, has been carried out. Residue levels of xenobiotics were
Anette Thiel et al.
Toxicology, 282(3), 88-93 (2011-02-05)
In the present investigation, the degradation of the acaricide dicofol (also known as kelthane) was investigated with special emphasis on generation of p,p'-dichlorobenzophenone (DCBP) under alkaline conditions as well as induced by UV-light. Dicofol was also incubated in the presence
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