8-Demethyleucalyptin
Also known as: 8-Demethyleucalyptin, 8-Desmethyleucalyptin, 5-Hydroxy-7,4'-dimethoxy-6-methylflavone, 5-hydroxy-6-methyl-7,4'-dimethoxyflavone, 5-Hydroxy-7-methoxy-2-(4-methoxyphenyl)-6-methyl-4H-chromen-4-one, 4H-1-Benzopyran-4-one, 5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-6-methyl-
8-Demethyleucalyptin (CAS 5689-38-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H16O5 and a molecular weight of 312.317 g/mol. Key properties include a boiling point of 526.1±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 194.3±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5689-38-3
- Jingsj CID
- J-1383274-1
- Molecular Formula
- C18H16O5
- Molecular Weight
- 312.317 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 526.1±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 194.3±23.6 °C |
| Exact Mass | 312.099762 |
| PSA | 68.90000 |
| LogP | 3.86 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.613 |
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 8-Demethyleucalyptin?
The CAS number of 8-Demethyleucalyptin is 5689-38-3.
What are the molecular formula and molecular weight of 8-Demethyleucalyptin?
8-Demethyleucalyptin has molecular formula C18H16O5 and molecular weight 312.317 g/mol.
What are the upstream and downstream products of 8-Demethyleucalyptin?
For 8-Demethyleucalyptin, Upstream Products: 4-Methoxybenzoic anhydride, 7,4'-Di-O-methylapigenin, Dimethyl sulfate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "8-Demethyleucalyptin (CAS 5689-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1383274-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.