1,2,4-Triazolo[4,3-a]pyridine-3(2H)-thione
[CAS# 6952-68-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Thiol salt
• Name: 1,2,4-Triazolo[4,3-a]pyridine-3(2H)-thione
• Synonyms: 1,2,4-Triazolo[4,3-a]pyridine-3-thiol
• Molecular Formula: C₆H₅N₃S
• Molecular Weight: 151.19
• CAS Registry Number: 6952-68-7
• EC Number: 640-875-1

Properties

• Solubility: Slightly soluble (4.5 g/L) (25 °C), Calc.^*
• Density: 1.49±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 209-210 °C^**
• Boiling point: 235.1±23.0 °C (760 Torr), Calc.^*
• Flash point: 96.0±22.6 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Tarbell, D. S.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2A	H319