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CAS 5802-91-5

CAS 5802-91-5 matches 0 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 5802-91-5

CAS 5802-91-5PubChem CID 110713

Octadecanoic acid, 2-sulfo-, sodium salt (1:2)

IUPAC name: disodium;2-sulfonatooctadecanoate

Molecular formula: C18H34Na2O5S
Molecular weight: 408.5 g/mol
Exact mass: 408.19223392 Da
Topological polar surface area: 106.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 5
Covalent units: 3
Defined stereocentres: 0

Also known as

Octadecanoic acid, 2-sulfo-, disodium saltEINECS 227-356-1RefChem:855648Disodium 2-sulphonatooctadecanoateOctadecanoic acid, 2-sulfo-, sodium saltdisodium 2-sulfonatooctadecanoateDBKJZAWCDAODRC-UHFFFAOYSA-L

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External database identifiers

EPA DTXSID:DTXSID90889487

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 5802-91-5 is used on this site

CAS 5802-91-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 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 5802-91-5 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.