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CAS 156-59-2

CAS 156-59-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 156-59-2
CAS 156-59-2PubChem CID 643833

cis-1,2-Dichloroethylene

IUPAC name
(Z)-1,2-dichloroethene
Molecular formula
C2H2Cl2
Molecular weight
96.94 g/mol
Exact mass
95.9533555 Da
XLogP3
1.9
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
0
Covalent units
1
Defined stereocentres
0

Also known as

cis-1,2-Dichloroethene(Z)-1,2-Dichloroethylenecis-DichloroethyleneAcetalyne dichlorideAcetylene dichloride, cis-Ethene, 1,2-dichloro-, (Z)-Ethylene, 1,2-dichloro-, (Z)-cis-1,2-dce
16 more reported names
HCC 1130cCCRIS 4605HSDB 5656R 1130cNSC 6149Ethene, 1,2-dichloro-, (1Z)-EINECS 205-859-7BRN 1071208AI3-28863CHEBI:288054-01-00-00707 (Beilstein Handbook Reference)cisDichloroethylenecis1,2Dichloroethene(Z)1,2Dichloroethene(Z)1,2DichloroethyleneAcetylene dichloride, cis
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 156-59-2

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How CAS 156-59-2 is used on this site

CAS 156-59-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 156-59-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.