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Merck

35487

4,4′-DDE

PESTANAL®, analytical standard

Synonym(s):

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene, 4,4′-DDE

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About This Item

Linear Formula:
(ClC6H4)2C=CCl2
CAS Number:
72-55-9
Molecular Weight:
318.03
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329755172
EC Number:
200-784-6
Beilstein/REAXYS Number:
1913355
MDL number:
MFCD00000837

Key Documents

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InChI key

UCNVFOCBFJOQAL-UHFFFAOYSA-N

InChI

1S/C14H8Cl4/c15-11-5-1-9(2-6-11)13(14(17)18)10-3-7-12(16)8-4-10/h1-8H

SMILES string

Clc1ccc(cc1)\C(=C(/Cl)Cl)c2ccc(Cl)cc2

grade

analytical standard

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

88-90 °C (lit.)

application(s)

agriculture
environmental

format

neat

Quality Level

100

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General description

4,4′-DDE can be found to be a breakdown product of trichloro-2,2-bis(4-chlorophenyl)ethane, in an aerobic environment. It can behave like a typical potent androgen receptor antagonist.

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

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Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - STOT RE 1 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH4254
BCCB7683
BCBS5816V

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Metabolism of 1, 1-dichloro-2, 2-bis (4-chlorophenyl) ethylene by Alcaligenes denitrificans
Ahuja R, et al.
Biotechnology Letters, 23(6), 423- 426 (2001)
Cometabolism of 1, 1-dichloro-2, 2-bis (4-chlorophenyl) ethylene by Pseudomonas acidovorans M3GY grown on biphenyl
Hay.GA and Focht.DD
Applied and Environmental Microbiology, 64(6), 2141- 2146 (1998)
Mireia Gascon et al.
Environment international, 52, 51-65 (2013-01-08)
Disruption of developing immune and respiratory systems by early-life exposure to persistent organic pollutants (POPs) could result into reduced capacity to fight infections and increased risk to develop allergic manifestations later in life. To systematically review the epidemiologic literature on
Jeanett L Tang-Péronard et al.
The American journal of clinical nutrition, 99(1), 5-13 (2013-10-25)
Chemicals with endocrine-disrupting abilities may act as obesogens and interfere with the body's natural weight-control mechanisms, especially if exposure occurs during prenatal life. We examined the association between prenatal exposure to polychlorinated biphenyls (PCBs) and p,p'-dichlorodiphenyldichloroethylene (DDE) and subsequent obesity
Juan P Arrebola et al.
Environmental research, 122, 31-37 (2013-01-08)
There is increasing evidence that environmental factors play an important role in the development of type 2 diabetes. Several persistent organic pollutants are suspected to contribute to the increasing prevalence and risk of type 2 diabetes. The aim of this
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