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CAS 1 record

CAS 5610-64-0

CAS 5610-64-0 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 5610-64-0
CAS 5610-64-0PubChem CID 76960928

Acid Black 52

IUPAC name
trisodium;bis(chromium(3+));tris(7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate)
Molecular formula
C60H30Cr2N9Na3O21S3
Molecular weight
1482.1 g/mol
Exact mass
1480.922155 Da
Topological polar surface area
547.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
27
Covalent units
8
Defined stereocentres
0

Also known as

C.I. Acid Black 52UNII-C2VLY70GFUC2VLY70GFUHSDB 4205EINECS 227-029-3CHROMOLAN BLACK NWAACID BLACK 52 [HSDB]EC 227-029-3
11 more reported names
CI 15711CI-15711C.I. 15711Chromate(3-), bis(3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonato(3-))-, disodium hydrogenRefChem:552547ACID BLACK 52 [INCI]227-029-33-Hydroxy-4-((2-hydroxy-1-napthalenyl)azo)-7-nitro-1-naphthalenesulfonic acid, monosodium salt, chromium complex3Hydroxy4((2hydroxy1naphthalenyl)azo)7nitro1naphthalenesulfonic acid, monosodium salt, chromium complexChromate(3), bis(3hydroxy4((2hydroxy1naphthalenyl)azo)7nitro1naphthalenesulfonato(3)), disodium hydrogenPalatine Fast Black WAN
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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 5610-64-0

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How CAS 5610-64-0 is used on this site

CAS 5610-64-0 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 5610-64-0 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.