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2,3-Dimethoxyxanthen-9-one

2,3-二甲氧基呫吨酮

Also known as: 2,3-Dimethoxyxanthone, 2,3-Dimethoxy-xanthen-9-one, 2,3-Dimethoxy-xanthon, 2,3-dimethoxy-9H-xanthen-9-one, 2,3-dimethoxy-xanthen-9-one, 9H-Xanthen-9-one, 2,3-dimethoxy-

2,3-Dimethoxyxanthen-9-one (CAS 42833-49-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12O4 and a molecular weight of 256.25300 g/mol. It is also known as 2,3-Dimethoxyxanthone, 2,3-Dimethoxy-xanthen-9-one and 2,3-Dimethoxy-xanthon. Key properties include a boiling point of 423.3ºC at 760 mmHg, a density of 1.27g/cm3 and a flash point of 190.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42833-49-8
Jingsj CID
J-997853-1
Molecular Formula
C15H12O4
Chinese Name
2,3-二甲氧基呫吨酮
Molecular Weight
256.25300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point423.3ºC at 760 mmHg
Density1.27g/cm3
Flash Point190.2ºC

Frequently Asked Questions

What is the CAS number of 2,3-Dimethoxyxanthen-9-one?

The CAS number of 2,3-Dimethoxyxanthen-9-one is 42833-49-8.

What are the molecular formula and molecular weight of 2,3-Dimethoxyxanthen-9-one?

2,3-Dimethoxyxanthen-9-one has molecular formula C15H12O4 and molecular weight 256.25300 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-Dimethoxyxanthen-9-one (CAS 42833-49-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-997853-1 (accessed 2026-10-25).

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