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CAS 2 records

CAS 15086-94-9

CAS 15086-94-9 matches 2 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 15086-94-9
CAS 15086-94-9PubChem CID 27020

2',4',5',7'-Tetrabromofluorescein

IUPAC name
2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formula
C20H8Br4O5
Molecular weight
647.9 g/mol
Exact mass
647.70642 Da
XLogP3
6.2
Topological polar surface area
76.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

C.I. Solvent Red 43C.I. 45380:23,6-Dihydroxy-2,4,5,7-tetrabromospiro(xanthene-9,3'-phthalide)CI 45380:2NSC-244436Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-2',4',5',7'-tetrabromo-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-oneSpiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-
16 more reported names
2',4',5',7'-TETRABROMO-3',6'-DIHYDROXY-3H-SPIRO(2-BENZOFURAN-1,9'-XANTHEN)-3-ONE2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro(2-benzofuran-3,9'-xanthene)-1-oneRefChem:1058590CHEBI:86277Solvent Red 43BromoeosinBromeosinEosine acidEosin acidJapan Red 223Japan Red No. 223Eosin Y free acidD and C Red No. 21D & C Red no. 21Acid eosinD&C Red No. 21
Open full PubChem recordPubChem annotations3D structure image
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 15086-94-9

2 total
No records found for this CAS number.

How CAS 15086-94-9 is used on this site

CAS 15086-94-9 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 15086-94-9 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.