4-Hydroxy-3,6-dimethyl-2H-pyran-2-one
4-羟基-3,6-二甲基-2H-吡喃-2-酮
Also known as: 3,6-Dimethyl-4-hydroxy-2H-pyran-2-one, 3,6-Dimethyl-4-hydroxy-2-pyrone, 4-Hydroxy-3,6-dimethyl-2-pyrone, MFCD00090424, Methyl triacetic lactone, USF-2550A
4-Hydroxy-3,6-dimethyl-2H-pyran-2-one (CAS 5192-62-1) 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. It is also known as 3,6-Dimethyl-4-hydroxy-2H-pyran-2-one, 3,6-Dimethyl-4-hydroxy-2-pyrone and 4-Hydroxy-3,6-dimethyl-2-pyrone. Key properties include a melting point of 209-211ºC, a boiling point of 284ºC at 760mmHg, a density of 1.256g/cm3 and a flash point of 121.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5192-62-1
- Jingsj CID
- J-1466124-4
- Molecular Formula
- C7H8O3
- Chinese Name
- 4-羟基-3,6-二甲基-2H-吡喃-2-酮
- 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 | 209-211ºC |
|---|---|
| Boiling Point | 284ºC at 760mmHg |
| Density | 1.256g/cm3 |
| Flash Point | 121.7ºC |
| Exact Mass | 140.04700 |
| PSA | 50.44000 |
| LogP | 0.96220 |
| Refractive Index | 1.54 |
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 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one?
The CAS number of 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one is 5192-62-1.
What are the molecular formula and molecular weight of 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one?
4-Hydroxy-3,6-dimethyl-2H-pyran-2-one has molecular formula C7H8O3 and molecular weight 140.13700 g/mol.
What are the upstream and downstream products of 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one?
For 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one, Upstream Products: 4-Hydroxy-6-methyl-2-pyrone, 2-Methoxypropene.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-3,6-dimethyl-2H-pyran-2-one (CAS 5192-62-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466124-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.