6-Hydroxyflavone

Also known as: 6-Monohydroxyflavone, 6-Hydroxy-2-phenyl-4H-chromen-4-one, 6-Hydroxy-2-phenyl-4-benzopyrone, 4H-1-Benzopyran-4-one, 6-hydroxy-2-phenyl-, 6-Hydroxyflavone 98%, HYDROXYFLAVONE, 6-, HYDROXYFLAVONE, 6-(RG), MFCD00017329, TIMTEC-BB SBB000766, EINECS 229-704-8, NSC26744

6-Hydroxyflavone (CAS 6665-83-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O3 and a molecular weight of 238.238 g/mol. Key properties include a melting point of 234-236 °C(lit.), a boiling point of 450.1±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 176.3±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6665-83-4
Jingsj CID: J-2693-7
Molecular Formula: C₁₅H₁₀O₃
Molecular Weight: 238.238 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	234-236 °C(lit.)
Boiling Point	450.1±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	176.3±22.2 °C
Exact Mass	238.062988
PSA	50.44000
LogP	3.72
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.666

Activity & Biological Data

Additional Information	[1]. Das S, et al. Characterization of non-covalent binding of 6-hydroxyflavone and 5,7-dihydroxyflavone with bovine hemoglobin: Multi-spectroscopic and molecular docking analyses. J Photochem Photobiol B. 2018 Jan;178:40-52. [2]. Lai CH, et al. Effects of 6-Hydroxyflavone on Osteoblast Differentiation in MC3T3-E1 Cells. Evid Based Complement Alternat Med. 2014;2014:924560. [3]. Wang X, et al. 6-Hydroxyflavone and derivatives exhibit potent anti-inflammatory activity among mono-, di- and polyhydroxylated flavones in kidney mesangial cells. PLoS One. 2015 Mar 19;10(3):e0116409.

Additional Information

[1]. Das S, et al. Characterization of non-covalent binding of 6-hydroxyflavone and 5,7-dihydroxyflavone with bovine hemoglobin: Multi-spectroscopic and molecular docking analyses. J Photochem Photobiol B. 2018 Jan;178:40-52. [2]. Lai CH, et al. Effects of 6-Hydroxyflavone on Osteoblast Differentiation in MC3T3-E1 Cells. Evid Based Complement Alternat Med. 2014;2014:924560. [3]. Wang X, et al. 6-Hydroxyflavone and derivatives exhibit potent anti-inflammatory activity among mono-, di- and polyhydroxylated flavones in kidney mesangial cells. PLoS One. 2015 Mar 19;10(3):e0116409.

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 6-Hydroxyflavone?

The CAS number of 6-Hydroxyflavone is 6665-83-4.

What are the molecular formula and molecular weight of 6-Hydroxyflavone?

6-Hydroxyflavone has molecular formula C15H10O3 and molecular weight 238.238 g/mol.

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. "6-Hydroxyflavone (CAS 6665-83-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2693-7 (accessed 2026-11-09).

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