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CAS 38577-97-8

CAS 38577-97-8 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 38577-97-8
CAS 38577-97-8PubChem CID 92311

D&C Orange No. 10

IUPAC name
3',6'-dihydroxy-4',5'-diiodospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formula
C20H10I2O5
Molecular weight
584.1 g/mol
Exact mass
583.86177 Da
XLogP3
4.7
Topological polar surface area
76.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

4',5'-DiiodofluoresceinSOLVENT RED 73Hydroxydiiodo-o-carboxyphenylfluoroneOO2GYZ1574ORANGE NO. 2064',5'-DIIODOFLUORESCEIN [MI]CI 45425:13',6'-Dihydroxy-4',5'-diiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one
16 more reported names
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-4',5'-diiodo-C.I. NO.45425 (D&C ORANGE NO.10)Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-4',5'-diiodo-3',6'-dihydroxy-4',5'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-oneRefChem:581455ORANGE 10ORANGE 10 [INCI]SOLVENT RED 73 [INCI]CI 45425 (BANNED)YUW2S48521254-010-74'5'-DiiodofluoresceinC.I. Solvent Red 733',6'-Dihydroxy-4',5'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one11740 OrangeD & C Orange No. 10
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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 38577-97-8

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How CAS 38577-97-8 is used on this site

CAS 38577-97-8 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 38577-97-8 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.