Atalantoflavone

5-羟基-2-(4-羟基苯基)-8,8-二甲基-4H,8H-苯并[1,2-b:3,4-b']二吡喃-4-酮

Also known as: 4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-, Limonianin

Atalantoflavone (CAS 119309-02-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H16O5 and a molecular weight of 336.34 g/mol. It is also known as 4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl- and Limonianin. Key properties include a boiling point of 584.1±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 214.6±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
119309-02-3
Jingsj CID
J-54538-5
Molecular Formula
C20H16O5
Chinese Name
5-羟基-2-(4-羟基苯基)-8,8-二甲基-4H,8H-苯并[1,2-b:3,4-b']二吡喃-4-酮
Molecular Weight
336.34 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point584.1±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point214.6±23.6 °C

Frequently Asked Questions

What is the CAS number of Atalantoflavone?

The CAS number of Atalantoflavone is 119309-02-3.

What are the molecular formula and molecular weight of Atalantoflavone?

Atalantoflavone has molecular formula C20H16O5 and molecular weight 336.34 g/mol.

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

Last updated:

How to cite: Jingsj. "Atalantoflavone (CAS 119309-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-54538-5 (accessed 2026-10-23).

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