4-Methyl-1H-1,2,3-triazole
[CAS# 27808-16-8]

Identification

• Name: 4-Methyl-1H-1,2,3-triazole
• Synonyms: 4-Methyl-1,2,3-triazole
• Molecular Formula: C₃H₅N₃
• Molecular Weight: 83.09
• CAS Registry Number: 27808-16-8
• EC Number: 816-978-4

Properties

• Solubility: Soluble (86.4 g/L) (25 °C), Calc.^*
• Density: 1.178±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 36-36.5 °C^**
• Boiling point: 108-109 °C (25 Torr)^***
• Flash point: 98.7±11.7 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Huttel, Rudolf

^*** Hartzel, L. W.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H312
Flammable liquids	Flam. Liq.	2	H225