5,7-Diacetoxyflavone

Also known as: 4H-1-Benzopyran-4-one, 5,7-bis(acetyloxy)-2-phenyl-, 4-Oxo-2-phenyl-4H-chromene-5,7-diyl diacetate, 5,7-Diacetoxy-2-phenyl-chromen-4-one, Chrysin diacetate, 5,7-di-O-acetyl chrysin, 5,7-diacetoxy-2-phenyl-chromen-4-on, 7-Diacetoxyflavone

5,7-Diacetoxyflavone (CAS 6665-78-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H14O6 and a molecular weight of 338.311 g/mol. Key properties include a boiling point of 518.9±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 230.1±30.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6665-78-7
Jingsj CID: J-1971180-9
Molecular Formula: C₁₉H₁₄O₆
Molecular Weight: 338.311 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	518.9±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	230.1±30.2 °C
Exact Mass	338.079041
PSA	82.81000
LogP	2.23
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.598

Activity & Biological Data

Additional Information	[1]. P.L. Majumder, et al. Bulbophyllanthrone, a phenanthraquinone from Bulbophyllum odoratissimum. Phytochemistry, Volume 30, Issue 6, 1991, Pages 2092-2094.

Customs & Trade Information

HS Code	2915390090
Summary	2915390090. esters of acetic acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5,7-Diacetoxyflavone?

The CAS number of 5,7-Diacetoxyflavone is 6665-78-7.

What are the molecular formula and molecular weight of 5,7-Diacetoxyflavone?

5,7-Diacetoxyflavone has molecular formula C19H14O6 and molecular weight 338.311 g/mol.

What are the upstream and downstream products of 5,7-Diacetoxyflavone?

For 5,7-Diacetoxyflavone, Upstream Products: Chrysin, 2,4,6-Trihydroxyacetophenone, Benzoic anhydride; Downstream Products: Chrysin, 5-Acetoxy-7-hydroxyflavone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5,7-Diacetoxyflavone (CAS 6665-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971180-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.