4-Bromo-1H-pyrazole-3-carboxaldehyde
[CAS# 287917-97-9]

Identification

• Name: 4-Bromo-1H-pyrazole-3-carboxaldehyde
• Synonyms: 4-Bromo-1H-pyrazole-5-carbaldehyde; 4-Bromo-2H-pyrazole-3-carboxaldehyde
• Molecular Formula: C₄H₃BrN₂O
• Molecular Weight: 174.98
• CAS Registry Number: 287917-97-9
• EC Number: 825-380-2

Properties

• Solubility: Slightly soluble (1.2 g/L) (25 ºC), Calc.^*
• Density: 1.969±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*

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

Safety Data

Hazard Classification

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