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CAS 51609-41-7 (generic)/ 66197-78-2

CAS 51609-41-7 (generic)/ 66197-78-2 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 51609-41-7

CAS 51609-41-7PubChem CID 65414

3,6,9,12,15,18,21,24-Octaoxahexacosan-1-ol, 26-(nonylphenoxy)-, dihydrogen phosphate

IUPAC name: 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl dihydrogen phosphate

Molecular formula: C35H65O14P
Molecular weight: 740.9 g/mol
Exact mass: 740.41119374 Da
XLogP3: 3.4
Topological polar surface area: 159.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 14
Covalent units: 1
Defined stereocentres: 0

Also known as

2-(2-(2-(2-(2-(2-(2-(2-(2-(2-(4-nonylphenoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethyl dihydrogen phosphateRefChem:487146610-709-2QKBKGDSRBJNQCP-UHFFFAOYSA-NPEG-9 Nonyl phenyl ether phosphate29-(4-Nonylphenoxy)-3,6,9,12,15,18,21,24,27-nonaoxanonacos-1-yl dihydrogen phosphate29-(4-Nonylphenoxy)-3,6,9,12,15,18,21,24,27-nonaoxanonacosan-1-yl dihydrogen phosphate

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External database identifiers

EPA DTXSID:DTXSID10866210

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

PubChem 2D chemical structure for CAS 66197-78-2

CAS 66197-78-2PubChem CID 21118014

2-[2-[2-[2-[2-[2-[2-[2-[2-(2-Nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl dihydrogen phosphate

IUPAC name: 2-[2-[2-[2-[2-[2-[2-[2-[2-(2-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl dihydrogen phosphate

Molecular formula: C33H61O13P
Molecular weight: 696.8 g/mol
Exact mass: 696.38497899 Da
XLogP3: 3.5
Topological polar surface area: 150.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 13
Covalent units: 1
Defined stereocentres: 0

Also known as

FVWKLGOINOMUFC-UHFFFAOYSA-N26-(2-nonylphenoxy)-3,6,9,12,15,18,21,24-octaoxahexacosyl dihydrogen phosphate

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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 51609-41-7 (generic)/ 66197-78-2

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How CAS 51609-41-7 (generic)/ 66197-78-2 is used on this site

CAS 51609-41-7 (generic)/ 66197-78-2 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 51609-41-7 (generic)/ 66197-78-2 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.