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CAS 2 records

CAS 4372-02-5

CAS 4372-02-5 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 4372-02-5
CAS 4372-02-5PubChem CID 20388

Solvent Red 72

IUPAC name
disodium;4',5'-dibromo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
Molecular formula
C20H8Br2Na2O5
Molecular weight
534.1 g/mol
Exact mass
533.85134 Da
Topological polar surface area
81.7 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
5
Covalent units
3
Defined stereocentres
0

Also known as

DibromofluoresceinC.I. Acid Orange 11Eosine 2JBromo Acid YellowishEosine S 104',5'-DibromfluoresceinD and C Orange No. 6C.I. 45370
16 more reported names
EINECS 224-468-27MF02AWG95Fluorescein, 4',5'-dibromo-, disodium saltFluorescein, 4',5'-dibromo-, sodium deriv., sodium saltSpiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium saltSpiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium saltRefChem:888153SOLVENT RED 72 [INCI]CI 45370 [INCI]BENZOIC ACID, 2-(4,5-DIBROMO-6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-, DISODIUM SALTBENZOIC ACID, 2-(4,5-DIBROMO-6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-, SODIUM SALT (1:2)CI 45370ORANGE NO. 201SPIRO(ISOBENZOFURAN-1(3H),9'-(9H)XANTHEN)-3-ONE, 4',5'-DIBROMO-3',6'-DIHYDROXY-, SODIUM SALT (1:2)Acid orange 11UNII-7MF02AWG95
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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 4372-02-5

2 total
No records found for this CAS number.

How CAS 4372-02-5 is used on this site

CAS 4372-02-5 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 4372-02-5 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.