CAS 1 record

CAS 18266-52-9

CAS 18266-52-9 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 18266-52-9

CAS 18266-52-9PubChem CID 5360562

1,4-Benzenediamine, 2-nitro-, hydrochloride (1:2)

IUPAC name: 2-nitrobenzene-1,4-diamine;dihydrochloride

Molecular formula: C6H9Cl2N3O2
Molecular weight: 226.06 g/mol
Exact mass: 225.0071819 Da
Topological polar surface area: 97.9 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 4
Covalent units: 3
Defined stereocentres: 0

Also known as

HSDB 6254UNII-FS1IP6390X2-nitro-p-phenylenediamine dihydrochlorideEINECS 242-144-92-NITRO-1,4-BENZENEDIAMINE DIHYDROCHLORIDE2-NITRO-1,4-BENZENEDIAMINE DIHYDROCHLORIDE [HSDB]RefChem:730482Nitrobenzene1,4diamine dihydrochloride

10 more reported names

pPhenylenediamine, 2nitro, dihydrochloride1,4Benzenediamine, 2nitro, dihydrochloride2-NITRO-P-PHENYLENEDIAMINE DIHYDROCHLORIDE [INCI]242-144-9FS1IP6390Xp-Phenylenediamine, 2-nitro-, dihydrochloride1,4-Benzenediamine, 2-nitro-, dihydrochloride2-Nitrobenzene-1,4-diamine dihydrochlorideVTJQZXFQQIDLRW-UHFFFAOYSA-N2-Nitrobenzene-1,4-diamine--hydrogen chloride (1/2)

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External database identifiers

EPA DTXSID:DTXSID8066349

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 18266-52-9

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How CAS 18266-52-9 is used on this site

CAS 18266-52-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 18266-52-9 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.