CAS 17372-87-1 — 2 EU Cosmetic Records

Chemical identity and properties

PubChem 2D chemical structure for CAS 17372-87-1

CAS 17372-87-1PubChem CID 11048

Eosin

IUPAC name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate

Molecular formula: C20H6Br4Na2O5
Molecular weight: 691.9 g/mol
Exact mass: 691.67031 Da
Topological polar surface area: 89.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 5
Covalent units: 3
Defined stereocentres: 0

Also known as

Acid red 87Eosin yellowishEosine YellowishEosineEosine GEosin YSSodium eosineBromo acid

16 more reported names

Eosine YBromofluoresceinSodium eosinateBronze BromoCertiqual EosineBromo FluoresceinEosine AEosine JEosine BSEosine DAEosine FAEosine GFEosine OJEosine w/sEosine YBEosine YS

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:52053
ChEMBL:CHEMBL411675
EPA DTXSID:DTXSID901015574
PubMed:33352258

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 17372-87-1

2 total

No records found for this CAS number.

How CAS 17372-87-1 is used on this site

CAS 17372-87-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 2 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 17372-87-1 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.