4-Methoxy-6-methyl-2H-pyran-2-one
Also known as: 4-Methoxy-6-methyl-2-pyrone, 4-Methoxy-6-methylpyran-2-one, 4-Methoxy-6-methyl-2-pyranone, Methyltriacetolactone, Methyltriacetolacton
4-Methoxy-6-methyl-2H-pyran-2-one (CAS 672-89-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.13700 g/mol. Key properties include a melting point of 83-86ºC, a boiling point of 280.3ºC at 760 mmHg, a density of 1.14g/cm3 and a flash point of 112.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 672-89-9
- Jingsj CID
- J-32247-4
- Molecular Formula
- C7H8O3
- Molecular Weight
- 140.13700 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 83-86ºC |
|---|---|
| Boiling Point | 280.3ºC at 760 mmHg |
| Density | 1.14g/cm3 |
| Flash Point | 112.6ºC |
| Exact Mass | 140.04700 |
| PSA | 39.44000 |
| LogP | 0.95680 |
| Appearance | Solid |
| Refractive Index | 1.492 |
| Additional Property | Poorly soluble in water. |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Methoxy-6-methyl-2H-pyran-2-one?
The CAS number of 4-Methoxy-6-methyl-2H-pyran-2-one is 672-89-9.
What are the molecular formula and molecular weight of 4-Methoxy-6-methyl-2H-pyran-2-one?
4-Methoxy-6-methyl-2H-pyran-2-one has molecular formula C7H8O3 and molecular weight 140.13700 g/mol.
What are the upstream and downstream products of 4-Methoxy-6-methyl-2H-pyran-2-one?
For 4-Methoxy-6-methyl-2H-pyran-2-one, Upstream Products: 4-Hydroxy-6-methyl-2-pyrone, Dimethyl sulfate, Trimethyl phosphate; Downstream Products: Yangonin, Methyl 4-methoxy-2-methylbenzoate, Methyl 3-methoxy-5-methylbenzoate.
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-Methoxy-6-methyl-2H-pyran-2-one (CAS 672-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32247-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.