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Merck
CN

43923

4,4′-DDD

reference material

Synonym(s):

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane, 4,4′-DDD, TDE

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About This Item

Linear Formula:
(ClC6H4)2CHCHCl2
CAS Number:
72-54-8
Molecular Weight:
320.04
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
1914072
MDL number:
MFCD00000851

Key Documents

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InChI

1S/C14H10Cl4/c15-11-5-1-9(2-6-11)13(14(17)18)10-3-7-12(16)8-4-10/h1-8,13-14H

SMILES string

ClC(Cl)C(c1ccc(Cl)cc1)c2ccc(Cl)cc2

InChI key

AHJKRLASYNVKDZ-UHFFFAOYSA-N

grade

reference material

assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

format

neat

Quality Level

200

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General description

This reference material (RM) is produced and certified in accordance with ISO/IEC 17025. This RM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD5813
BCBZ7483

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