4-Hydroxypyridine
4-羟基吡啶
Also known as: 4-Pyridinol, 4-Pyridone, Pyridin-4-ol, 4(1H)-Pyridinone, 1H-Pyridin-4-ol, gamma-Hydroxypyridine, p-Hydroxypyridine
- CAS No.
- 626-64-2
- Jingsj CID
- J-1003071-2
- Molecular Formula
- C5H5NO
- Chinese Name
- 4-羟基吡啶
- Molecular Weight
- 95.10 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 150-151 °C(lit.) |
|---|---|
| Boiling Point | 380.6±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 182.3±20.4 °C |
GHS Safety & Compliance
Corrosion / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of 4-Hydroxypyridine?
626-64-2
What are the molecular formula and molecular weight of 4-Hydroxypyridine?
C5H5NO, molecular weight 95.10 g/mol
Is 4-Hydroxypyridine hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026