1-Methyl-4-bromopyrazole-5-carboxylic acid
[CAS# 84547-84-2]

Identification

• Name: 1-Methyl-4-bromopyrazole-5-carboxylic acid
• Synonyms: 4-Bromo-2-methyl-2H-pyrazole-3-carboxylic acid
• Molecular Formula: C₅H₅BrN₂O₂
• Molecular Weight: 205.01
• CAS Registry Number: 84547-84-2
• EC Number: 673-169-7

Properties

• Solubility: Slightly soluble (2.7 g/L) (25 ºC), Calc.^*
• Density: 1.93±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 235-236 ºC^**

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

^** Manaev, Yu. A.; Zhurnal Obshchei Khimii 1982, V52(11), P2592-8.

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
Eye irritation	Eye Irrit.	2A	H319