4'-Methoxyflavone
Also known as: 2-(4-methoxyphenyl)-4H-chromen-4-one, 2-(4-methoxyphenyl)chromone, 4'-Methoxyflavone
4'-Methoxyflavone (CAS 4143-74-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O3 and a molecular weight of 252.26500 g/mol. Key properties include a melting point of 157-158ºC, a boiling point of 401.5ºC at 760 mmHg, a density of 1.24 g/cm3 and a flash point of 188.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4143-74-2
- Jingsj CID
- J-1966008-3
- Molecular Formula
- C16H12O3
- Molecular Weight
- 252.26500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157-158ºC |
|---|---|
| Boiling Point | 401.5ºC at 760 mmHg |
| Density | 1.24 g/cm3 |
| Flash Point | 188.2ºC |
| Exact Mass | 252.07900 |
| PSA | 39.44000 |
| LogP | 3.46860 |
| Refractive Index | 1.614 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 4'-Methoxyflavone?
The CAS number of 4'-Methoxyflavone is 4143-74-2.
What are the molecular formula and molecular weight of 4'-Methoxyflavone?
4'-Methoxyflavone has molecular formula C16H12O3 and molecular weight 252.26500 g/mol.
Is 4'-Methoxyflavone hazardous?
4'-Methoxyflavone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4'-Methoxyflavone (CAS 4143-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1966008-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.