3',4'-Dimethoxy-α-naphthoflavone

3',4'-二甲氧基-α-萘黄酮

Also known as: DiMNF, NSC 123391, 2-(3,4-Dimethoxyphenyl)-4H-benzo[h]chromen-4-one, 2-(3,4-Dimethoxyphenyl)-4H-naphtho[1,2-b]pyran-4-one, 2-(3,4-Dimethoxyphenyl)-benzo[h]chromen-4-one, 2-(3,4-dimethoxyphenyl)-4h-benzo[h]chromen-4-one, 2-(3,4-dimethoxyphenyl)benzo[h]chromen-4-one, 4H-Naphtho[1,2-b]pyran-4-one, 2-(3,4-dimethoxyphenyl)-

3',4'-Dimethoxy-α-naphthoflavone (CAS 14756-24-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H16O4 and a molecular weight of 332.34900 g/mol. It is also known as DiMNF, NSC 123391 and 2-(3,4-Dimethoxyphenyl)-4H-benzo[h]chromen-4-one. Key properties include a boiling point of 513.8ºC at 760 mmHg, a density of 1.271g/cm3 and a flash point of 227.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14756-24-2
Jingsj CID
J-90059-3
Molecular Formula
C21H16O4
Chinese Name
3',4'-二甲氧基-α-萘黄酮
Molecular Weight
332.34900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point513.8ºC at 760 mmHg
Density1.271g/cm3
Flash Point227.3ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3',4'-Dimethoxy-α-naphthoflavone?

The CAS number of 3',4'-Dimethoxy-α-naphthoflavone is 14756-24-2.

What are the molecular formula and molecular weight of 3',4'-Dimethoxy-α-naphthoflavone?

3',4'-Dimethoxy-α-naphthoflavone has molecular formula C21H16O4 and molecular weight 332.34900 g/mol.

Is 3',4'-Dimethoxy-α-naphthoflavone hazardous?

3',4'-Dimethoxy-α-naphthoflavone has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3',4'-Dimethoxy-α-naphthoflavone (CAS 14756-24-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-90059-3 (accessed 2026-10-23).

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