5,6-Dihydroxyflavone
5,6-二羟基黄酮
Also known as: 4H-1-Benzopyran-4-one, 5,6-dihydroxy-2-phenyl-, 5,6-Dihydroxy-2-phenylchromen-4-one
5,6-Dihydroxyflavone (CAS 6665-66-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O4 and a molecular weight of 254.23700 g/mol. It is also known as 4H-1-Benzopyran-4-one, 5,6-dihydroxy-2-phenyl- and 5,6-Dihydroxy-2-phenylchromen-4-one. Key properties include a boiling point of 494.399ºC at 760 mmHg, a density of 1.443g/cm3 and a flash point of 193.53ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6665-66-3
- Jingsj CID
- J-25145-7
- Molecular Formula
- C15H10O4
- Chinese Name
- 5,6-二羟基黄酮
- Molecular Weight
- 254.23700 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 494.399ºC at 760 mmHg |
|---|---|
| Density | 1.443g/cm3 |
| Flash Point | 193.53ºC |
Frequently Asked Questions
What is the CAS number of 5,6-Dihydroxyflavone?
The CAS number of 5,6-Dihydroxyflavone is 6665-66-3.
What are the molecular formula and molecular weight of 5,6-Dihydroxyflavone?
5,6-Dihydroxyflavone has molecular formula C15H10O4 and molecular weight 254.23700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,6-Dihydroxyflavone (CAS 6665-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25145-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.