5-Ethynyl-1-methyl-1H-imidazole
[CAS# 71759-92-7]

Identification

• Classification: Organic raw materials >> Heterocyclic compound >> Imidazoles
• Name: 5-Ethynyl-1-methyl-1H-imidazole
• Synonyms: 5-Ethynyl-1-methylimidazole
• Molecular Formula: C₆H₆N₂
• Molecular Weight: 106.13
• CAS Registry Number: 71759-92-7
• EC Number: 628-247-5

Properties

• Solubility: Slightly soluble (7.9 g/L) (25 ºC), Calc.^*
• Density: 0.93±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 251.1±13.0 ºC (760 Torr), Calc.^*
• Refractive index: 1.5295 (20 ºC)^**
• Flash point: 105.7±19.8 ºC, Calc.^*

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

^** Shvartsberg, M. S.; Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya 1979, (7), P1563-9.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R37/38;R41
• Safety Description: S26;S36/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318