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CAS 88-40-4

CAS 88-40-4 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 88-40-4

CAS 88-40-4PubChem CID 66615

6-tert-Butyl-3-methylanisole

IUPAC name: 1-tert-butyl-2-methoxy-4-methylbenzene

Molecular formula: C12H18O
Molecular weight: 178.27 g/mol
Exact mass: 178.135765193 Da
XLogP3: 3.5
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

2-tert-Butyl-5-methylanisoleBenzene, 1-(1,1-dimethylethyl)-2-methoxy-4-methyl-1-(1,1-DIMETHYLETHYL)-2-METHOXY-4-METHYLBENZENEAnisole, 2-tert-butyl-5-methyl-PZP00ZS37EAI3-02456EINECS 201-827-14-TERT-BUTYL-3-METHOXYTOLUENE

9 more reported names

NFDFEFJTYRAHEM-UHFFFAOYSA-RefChem:544354201-827-1InChI=1/C12H18O/c1-9-6-7-10(12(2,3)4)11(8-9)13-5/h6-8H,1-5H31-tert-butyl-2-methoxy-4-methyl-benzeneUNII-PZP00ZS37EBenzene,1-(1,1-dimethylethyl)-2-methoxy-4-methyl-2-tert-butyl-5-methyl anisoleDB-285156

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External database identifiers

EPA DTXSID:DTXSID2058966

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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CAS 88-40-4 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 88-40-4 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.