4-Bromo-1,5-dimethyl-1H-pyrazole

4-溴-1,5-二甲基-1H-吡唑

Also known as: 1,5-Dimethyl-4-bromopyrazole, 4-Bromo-1,5-dimethylpyrazole, 1H-Pyrazole, 4-bromo-1,5-dimethyl-, 4-Brom-1,5-dimethyl-1H-pyrazol, 4-bromo-1,5-dimethyl-1H-pyrazole(SALTDATA: FREE)

4-Bromo-1,5-dimethyl-1H-pyrazole (CAS 5775-86-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7BrN2 and a molecular weight of 175.02600 g/mol. It is also known as 1,5-Dimethyl-4-bromopyrazole, 4-Bromo-1,5-dimethylpyrazole and 1H-Pyrazole, 4-bromo-1,5-dimethyl-. Key properties include a boiling point of 210.265ºC at 760 mmHg, a density of 1.584g/cm3 and a flash point of 80.966ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5775-86-0
Jingsj CID
J-1375644-0
Molecular Formula
C5H7BrN2
Chinese Name
4-溴-1,5-二甲基-1H-吡唑
Molecular Weight
175.02600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point210.265ºC at 760 mmHg
Density1.584g/cm3
Flash Point80.966ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Bromo-1,5-dimethyl-1H-pyrazole?

The CAS number of 4-Bromo-1,5-dimethyl-1H-pyrazole is 5775-86-0.

What are the molecular formula and molecular weight of 4-Bromo-1,5-dimethyl-1H-pyrazole?

4-Bromo-1,5-dimethyl-1H-pyrazole has molecular formula C5H7BrN2 and molecular weight 175.02600 g/mol.

Is 4-Bromo-1,5-dimethyl-1H-pyrazole hazardous?

4-Bromo-1,5-dimethyl-1H-pyrazole has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Bromo-1,5-dimethyl-1H-pyrazole (CAS 5775-86-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1375644-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.