5-Ethyl-1H-[1,2,4]triazole
[CAS# 7411-16-7]

Identification

• Name: 5-Ethyl-1H-[1,2,4]triazole
• Synonyms: 5-Ethyl-1H-1,2,4-triazole; 3-Ethyl-1,2,4-triazole; 3-Ethyl-1H-1,2,4-triazole
• Molecular Formula: C₄H₇N₃
• Molecular Weight: 97.12
• CAS Registry Number: 7411-16-7
• EC Number: 970-352-6

Properties

• Solubility: Sparingly soluble (25 g/L) (25 ºC), Calc.^*
• Density: 1.116±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 61-62 ºC^**
• Boiling point: 235.3±23.0 ºC (760 Torr), Calc.^*
• Flash point: 110.4±15.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Bachman, G. Bryant; Journal of the American Chemical Society 1949, V71, P1985-8.

Safety Data

Hazard Classification

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