CAS 0 records

CAS 532-82-1

CAS 532-82-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 532-82-1

CAS 532-82-1PubChem CID 10771

C.I. Basic Orange 2

C.i. basic orange 2 appears as red-brown powder, large black shiny crystals with a green luster or purple powder. (NTP, 1992) — CAMEO Chemicals

IUPAC name: 4-phenyldiazenylbenzene-1,3-diamine;hydrochloride

Molecular formula: C12H13ClN4
Molecular weight: 248.71 g/mol
Exact mass: 248.0828741 Da
Topological polar surface area: 76.8 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

RefChem:1080553ChrysoidineBasic Orange 2Chrysoidine GChrysoidine YChrysoidinChrysoidin YChrysoidine Orange

16 more reported names

Chrysoidine yghChrysoidine AChrysoidine BChrysoidine JChrysoidine MTertrophene Brown CG2,4-Diaminoazobenzene hydrochlorideChrysoidine GNChrysoidine GSChrysoidine HRChrysoidine SLChrysoidine SSChrysoidine YLChrysoidine YNChrysoidin FBChrysoidin YN

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:82424
ChEMBL:CHEMBL1524085
ChEMBL:CHEMBL1682185
EPA DTXSID:DTXSID0024559
EPA DTXSID:DTXSID301046022

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 532-82-1

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How CAS 532-82-1 is used on this site

CAS 532-82-1 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 532-82-1 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.