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Merck
CN

31041

4,4′-滴滴涕

PESTANAL®, analytical standard

别名:

1,1-双(4-氯苯)-2,2,2-三氯乙烷, 2,2-双(对氯苯基)-1,1,1-三氯乙烷

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线性分子式:
(ClC6H4)2CHCCl3
化学文摘社编号:
50-29-3
分子量:
354.49
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329753624
EC Number:
200-024-3
Beilstein/REAXYS Number:
1882657
MDL number:
MFCD00000802

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InChI key

YVGGHNCTFXOJCH-UHFFFAOYSA-N

InChI

1S/C14H9Cl5/c15-11-5-1-9(2-6-11)13(14(17,18)19)10-3-7-12(16)8-4-10/h1-8,13H

SMILES string

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

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

107-110 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

Quality Level

100

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General description

4,4′-DDT (Dichlorodiphenyltrichloroethane) is a notorious organochlorine pesticide. It contains 77% p′p′-DDT, 15% o′p′-DDT, 4% p′p′-DDE (Dichlorodiphenyltrichloroethylene) and less than 1% o′p′-DDD (Dichlorodiphenyldichloroethane), p′p′-DDD and o′p′-DDE.

Application

4,4′-DDT may be used as a reference standard for the determination of the chlorinated pesticide:
  • In water by solid-phase microextraction followed by gas chromatography (GC) coupled with an electron capture detector.
  • In human biological samples by gas chromatography (GC) with mass spectrometry (MS) detector in tandem mode.
It may also be used as a standard to spike milk samples during extraction method, further followed by column chromatography to determine organochlorine pollutants.

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

signalword

Danger

Hazard Classifications

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

存储类别

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

法规信息

监管及禁止进口产品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCJ9668
BCCH5458
BCBW0671
BCBS5338V
BCBS4295V

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Determination of chlorinated pesticides in water by SPME/GC.
Boussahel R, et al.
Water Research, 36(7), 1909- 1911 (2002)
Determination of organochlorine compounds in human biological samples by GC-MS/MS.
Frias MM, et al.
Biomedical Chromatography, 18(2), 102- 111 (2004)
Marijke de Cock et al.
Environment international, 70, 15-24 (2014-06-01)
Hormonal actions and activation of receptors involved in adipogenesis and brain development during the prenatal period may be affected by exposure to certain chemicals. Experimental studies have shown that amongst others polychlorinated biphenyl (PCB)-153 and dichlorodiphenyltrichloroethane (DDT) may have obesogenic
Le-Huan Yu et al.
Environmental pollution (Barking, Essex : 1987), 188, 118-123 (2014-03-04)
Contamination of organohalogen pollutants (OHPs), including dichlorodiphenyl trichloroethane and its metabolites (DDTs), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), decabromodiphenylethane (DBDPE), hexabromocyclododecanes (HBCDs), and dechlorane plus (DP) in three metropolises of China, Beijing, Wuhan, and Guangzhou, and a reference rural
Katarzyna Kulma et al.
PloS one, 8(3), e58322-e58322 (2013-03-14)
Insecticide-resistance threatens the control of mosquito-borne diseases like malaria or dengue fever. To ensure sustainable vector control we need a full understanding of the factors driving the evolution of resistance. We test the hypothesis that the expression of insecticide-resistance depends
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