CAS 1 record

CAS 21049-39-8

CAS 21049-39-8 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 21049-39-8

CAS 21049-39-8PubChem CID 23701733

Sodium heptadecafluorononanoate

IUPAC name: sodium 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoate

Molecular formula: C9F17NaO2
Molecular weight: 486.06 g/mol
Exact mass: 485.9524523 Da
Topological polar surface area: 40.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 19
Covalent units: 2
Defined stereocentres: 0

Also known as

RefChem:1113577sodium perfluorononanoatesodium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoateNonanoic acid, heptadecafluoro-, sodium saltC9F17NaO2

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External database identifiers

EPA DTXSID:DTXSID50896632

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 21049-39-8

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How CAS 21049-39-8 is used on this site

CAS 21049-39-8 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 21049-39-8 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.