4-Bromo-1,5-dimethyl-1H-pyrazole
[CAS# 5775-86-0]

Identification

• Name: 4-Bromo-1,5-dimethyl-1H-pyrazole
• Synonyms: 4-Bromo-1,5-dimethylpyrazole
• Molecular Formula: C₅H₇BrN₂
• Molecular Weight: 175.03
• CAS Registry Number: 5775-86-0
• EC Number: 800-601-5

Properties

• Solubility: Slightly soluble (6.5 g/L) (25 ºC), Calc.^*
• Density: 1.5059 g/cm³ (20 ºC)^**
• Melting point: 43 ºC^***
• Boiling point: 105 ºC (21 Torr)^****
• Refractive index: 1.521 (589.3 nm 20 ºC)^**
• Flash point: 81.0±21.8 ºC, Calc.^*

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

^** Attaryan, O. S.; Russian Journal of General Chemistry 2007, V77(2), P307-308.

^*** Attaryan, O. S.; Russian Journal of General Chemistry 2007, V77(10), P1821-1822.

^**** Elguero, Jose; Bulletin de la Societe Chimique de France 1966, (1), P293-302.

Safety Data

Hazard Classification

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