2,3,6,7-Tetramethoxynaphthalene

2,3,6,7-四甲氧基萘

Also known as: naphthalene, 2,3,6,7-tetramethoxy-, 2,3,6,7-tetramethoxynaphthalene

2,3,6,7-Tetramethoxynaphthalene (CAS 33033-33-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H16O4 and a molecular weight of 248.27400 g/mol. It is also known as naphthalene, 2,3,6,7-tetramethoxy- and 2,3,6,7-tetramethoxynaphthalene. Key properties include a boiling point of 361.1ºC at 760 mmHg, a density of 1.13 g/cm3 and a flash point of 133.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33033-33-9
Jingsj CID
J-1971381-0
Molecular Formula
C14H16O4
Chinese Name
2,3,6,7-四甲氧基萘
Molecular Weight
248.27400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point361.1ºC at 760 mmHg
Density1.13 g/cm3
Flash Point133.3ºC

Frequently Asked Questions

What is the CAS number of 2,3,6,7-Tetramethoxynaphthalene?

The CAS number of 2,3,6,7-Tetramethoxynaphthalene is 33033-33-9.

What are the molecular formula and molecular weight of 2,3,6,7-Tetramethoxynaphthalene?

2,3,6,7-Tetramethoxynaphthalene has molecular formula C14H16O4 and molecular weight 248.27400 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3,6,7-Tetramethoxynaphthalene (CAS 33033-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971381-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.