2-Hydroxy-5-methylpyridine
[CAS# 1003-68-5]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Hydroxypyridine
• Name: 2-Hydroxy-5-methylpyridine
• Synonyms: 2-Hydroxy-5-picoline; 5-Methyl-2-pyridinol; 5-Methyl-2-pyridone
• Molecular Formula: C₆H₇NO
• Molecular Weight: 109.13
• CAS Registry Number: 1003-68-5 (91914-06-6)
• EC Number: 213-713-9

Properties

• Solubility: Soluble (40 g/L) (25 ºC), Calc.^*
• Density: 1.120±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 183-187 ºC

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R37/38;R41
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Eye irritation	Eye Irrit.	2	H319