2-Hydroxy-3-methylpyrazine
Also known as: 3-methylpyrazin-2(1H)-one, 3-methyl-2(1H)-pyrazinone, 3-methylpyrazin-2-ol, 3-methyl-2-pyrazinol, 3-methyl-(1H)-pyrazin-2-one, 3-methyl-1H-pyrazin-2-one
2-Hydroxy-3-methylpyrazine (CAS 19838-07-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O and a molecular weight of 110.114 g/mol. Key properties include a melting point of 150 °C, a boiling point of 376.2±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 181.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19838-07-4
- Jingsj CID
- J-1497259-9
- Molecular Formula
- C5H6N2O
- Molecular Weight
- 110.114 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150 °C |
|---|---|
| Boiling Point | 376.2±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 181.3±26.5 °C |
| Exact Mass | 110.048012 |
| PSA | 46.01000 |
| LogP | -0.54 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.557 |
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 2-Hydroxy-3-methylpyrazine?
The CAS number of 2-Hydroxy-3-methylpyrazine is 19838-07-4.
What are the molecular formula and molecular weight of 2-Hydroxy-3-methylpyrazine?
2-Hydroxy-3-methylpyrazine has molecular formula C5H6N2O and molecular weight 110.114 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. "2-Hydroxy-3-methylpyrazine (CAS 19838-07-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497259-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.