3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazole
[CAS# 219986-64-8]

Identification

• Name: 3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazole
• Synonyms: 3-Trifluoromethyl-5-(p-tolyl)-1H-pyrazole; 5-(Trifluoromethyl)-3-p-tolyl-1H-pyrazole
• Molecular Formula: C₁₁H₉F₃N₂
• Molecular Weight: 226.20
• CAS Registry Number: 219986-64-8 (26974-15-2)
• EC Number: 646-564-7

Properties

• Solubility: Practically insoluble (0.019 g/L) (25 ºC), Calc.^*
• Density: 1.284±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 155.3-156.8 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Hanamoto, Takeshi; Tetrahedron 2009, V65(14), P2757-2765.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315