6-Hydroxy-4-methyl-2(1H)-pyridinone
Also known as: 2,6-Dihydroxy-4-methylpyridine, 6-hydroxy-4-methyl-2-pyridone, 4-Methyl-2,6-pyridinediol, 6-Hydroxy-4-methylpyridin-2(1H)-one, NSC 110280, EINECS 225-108-7, MFCD00040464
6-Hydroxy-4-methyl-2(1H)-pyridinone (CAS 4664-16-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2 and a molecular weight of 125.125 g/mol. Key properties include a melting point of 195-198ºC, a boiling point of 356.2±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 169.2±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4664-16-8
- Jingsj CID
- J-1992988-5
- Molecular Formula
- C6H7NO2
- Molecular Weight
- 125.125 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-198ºC |
|---|---|
| Boiling Point | 356.2±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 169.2±27.9 °C |
| Exact Mass | 125.047676 |
| PSA | 53.35000 |
| LogP | -0.23 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.564 |
| Additional Property | Soluble in water. |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 6-Hydroxy-4-methyl-2(1H)-pyridinone?
The CAS number of 6-Hydroxy-4-methyl-2(1H)-pyridinone is 4664-16-8.
What are the molecular formula and molecular weight of 6-Hydroxy-4-methyl-2(1H)-pyridinone?
6-Hydroxy-4-methyl-2(1H)-pyridinone has molecular formula C6H7NO2 and molecular weight 125.125 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Hydroxy-4-methyl-2(1H)-pyridinone (CAS 4664-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992988-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.