2-(2-Pyridyl)ethanethiol
[CAS# 2044-28-2]

Identification

• Name: 2-(2-Pyridyl)ethanethiol
• Synonyms: 2-(2-Pyridyl)ethylmercaptan; 2-(2-Thioethyl)pyridine; 2-Pyridin-2-ylethanethiol
• Molecular Formula: C₇H₉NS
• Molecular Weight: 139.22
• CAS Registry Number: 2044-28-2
• EC Number: 806-242-0

Properties

• Solubility: Slightly soluble (5 g/L) (25 ºC), Calc.^*
• Density: 1.074±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 108-109 ºC (20 Torr)^**
• Refractive index: 1.5581 (589.3 nm 27 ºC)^***
• Flash point: 89.8±22.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Thompson, R. B.; Industrial and Engineering Chemistry 1952, V44, P1659-62.

^*** Bauer, Ludwig; Journal of Organic Chemistry 1961, V26, P82-5.

Safety Data

Hazard Classification

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