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CAS 5160-02-1

CAS 5160-02-1 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 5160-02-1
CAS 5160-02-1PubChem CID 21238

D&C Red 9

IUPAC name
barium(2+);bis(5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonate)
Molecular formula
C34H24BaCl2N4O8S2
Molecular weight
888.9 g/mol
Exact mass
887.946509 Da
Topological polar surface area
221.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
12
Covalent units
3
Defined stereocentres
0

Also known as

Brilliant RedHamilton RedPotomac RedRed ScarletScarlet Toner YSegnale Red LCGSegnale Red LCLBronze Red RO
16 more reported names
Vulcan Red LCRed Toner ZIrgalite Red CBTIrgalite Red MBCLake Red C Barium TonerParidine Red LCLBronze Scarlet CTD & C red no. 9Lake Red CCLake Red CCTLake Red CRLake Red RRGLake Red Toner CRed For Lake CRed Lake C TonerToner Lake Red C
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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 5160-02-1

1 total
No records found for this CAS number.

How CAS 5160-02-1 is used on this site

CAS 5160-02-1 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 5160-02-1 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.