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CAS 42866-91-1

CAS 42866-91-1 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 42866-91-1

CAS 42866-91-1PubChem CID 162533

Benzene, 1-(2,2-dimethoxyethyl)-4-methyl-

IUPAC name: 1-(2,2-dimethoxyethyl)-4-methylbenzene

Molecular formula: C11H16O2
Molecular weight: 180.24 g/mol
Exact mass: 180.115029749 Da
XLogP3: 2.4
Topological polar surface area: 18.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

p-(2,2-Dimethoxyethyl)toluenep-(2,2-Dimethyloxyethyl)tolueneEINECS 255-976-2G6LP5A7L7ARefChem:199741255-976-2UNII-G6LP5A7L7ABQTOTVBOOGPLPR-UHFFFAOYSA-N

2 more reported names

para-cresyl acetaldehyde dimethyl acetal4-Methylphenylacetaldehyde dimethyl acetal, 95%

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External database identifiers

EPA DTXSID:DTXSID7068425

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 42866-91-1

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How CAS 42866-91-1 is used on this site

CAS 42866-91-1 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 42866-91-1 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.