4-Hydroxy-3-methylpyridine

4-羟基-3-甲基吡啶

Also known as: 3-Methyl-4-hydroxypyridine, 3-Methyl-4-pyridinol, 3-methylpyridin-4-ol, 4-Hydroxy-3-picoline, 4-Pyridinol, 3-methyl-

4-Hydroxy-3-methylpyridine (CAS 22280-02-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO and a molecular weight of 109.126 g/mol. It is also known as 3-Methyl-4-hydroxypyridine, 3-Methyl-4-pyridinol and 3-methylpyridin-4-ol. Key properties include a melting point of ca 168℃, a boiling point of 359.1±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.0±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22280-02-0
Jingsj CID
J-1519403-3
Molecular Formula
C6H7NO
Chinese Name
4-羟基-3-甲基吡啶
Molecular Weight
109.126 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Pointca 168℃
Boiling Point359.1±22.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point171.0±22.3 °C

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-3-methylpyridine?

The CAS number of 4-Hydroxy-3-methylpyridine is 22280-02-0.

What are the molecular formula and molecular weight of 4-Hydroxy-3-methylpyridine?

4-Hydroxy-3-methylpyridine has molecular formula C6H7NO and molecular weight 109.126 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Hydroxy-3-methylpyridine (CAS 22280-02-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519403-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.