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4,4′-DDT

SIAL/31041 - PESTANAL®, analytical standard

Synonym: 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane; 1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethane

CAS Number: 50-29-3
Empirical Formula (Hill Notation): C14H9Cl5
Molecular Weight: 354.49
EC Number: 200-024-3
MDL Number: MFCD00000802
Linear Formula: (ClC6H4)2CHCCl3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-31041-100MG 100 mg
 $70.60
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application(s) cleaning products
cosmetics
food and beverages
personal care
format neat
grade analytical standard
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
InChI key YVGGHNCTFXOJCH-UHFFFAOYSA-N
mp 107-110 °C (lit.)
product line PESTANAL®
Quality Level 100 
shelf life limited shelf life, expiry date on the label
SMILES string Clc1ccc(cc1)C(c2ccc(Cl)cc2)C(Cl)(Cl)Cl
technique(s) gas chromatography (GC): suitable
  HPLC: suitable
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.
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.
Legal Information: PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany
mp 107-110 °C (lit.)
UNSPSC 41116107

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