2-Hydroxypyridine
[CAS# 142-08-5]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Hydroxypyridine
• Name: 2-Hydroxypyridine
• Synonyms: 2-Pyridone; 2-Pyridinol; 2-Pyridinone; a-Pyridone; 1H-Pyridin-2-one; 2-Oxopyridine; a-Hydroxypyridine; 1H-2-Pyridone; 2-Pyridol; 1,2-Dihydro-2-oxopyridine
• Molecular Formula: C₅H₅NO
• Molecular Weight: 95.10
• CAS Registry Number: 142-08-5
• EC Number: 205-520-3

Properties

• Density: 1.39
• Melting point: 102-109 ºC
• Boiling point: 280-281 ºC
• Flash point: 210 ºC

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319