2-Mercapto-4-pyridinecarboxylic acid
[CAS# 18616-05-2]

Identification

• Name: 2-Mercapto-4-pyridinecarboxylic acid
• Synonyms: 2-Mercaptoisonicotinic acid
• Molecular Formula: C₆H₅NO₂S
• Molecular Weight: 155.18
• CAS Registry Number: 18616-05-2
• EC Number: 803-070-8

Properties

• Solubility: Sparingly soluble (12 g/L) (25 ºC), Calc.^*
• Density: 1.49±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 305 ºC^**
• Boiling point: 259.9±50.0 ºC (760 Torr), Calc.^*
• Flash point: 111.0±30.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Lejeune, R.; Journal de Pharmacie de Belgique 1980, V35(2), P98-102.

Safety Data

Hazard Classification

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