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1-(2-Chloroethyl)-5-methyl-1H-pyrazole

1-(2-氯乙基)-5-甲基-1H-吡唑

Also known as: 1-(2-chloroethyl)-5-methylpyrazole, 1-(2-CHLORO-ETHYL)-5-METHYL-1H-PYRAZOLE, CHEMBRDG-BB 4014437, bb_sc-5010, 1H-Pyrazole, 1-(2-chloroethyl)-5-methyl-

1-(2-Chloroethyl)-5-methyl-1H-pyrazole (CAS 96450-54-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9ClN2 and a molecular weight of 144.60200 g/mol. It is also known as 1-(2-chloroethyl)-5-methylpyrazole, 1-(2-CHLORO-ETHYL)-5-METHYL-1H-PYRAZOLE and CHEMBRDG-BB 4014437. Key properties include a boiling point of 213.2ºC at 760 mmHg, a density of 1.16g/cm3 and a flash point of 82.7ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96450-54-3
Jingsj CID
J-1505643-4
Molecular Formula
C6H9ClN2
Chinese Name
1-(2-氯乙基)-5-甲基-1H-吡唑
Molecular Weight
144.60200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point213.2ºC at 760 mmHg
Density1.16g/cm3
Flash Point82.7ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-(2-Chloroethyl)-5-methyl-1H-pyrazole?

The CAS number of 1-(2-Chloroethyl)-5-methyl-1H-pyrazole is 96450-54-3.

What are the molecular formula and molecular weight of 1-(2-Chloroethyl)-5-methyl-1H-pyrazole?

1-(2-Chloroethyl)-5-methyl-1H-pyrazole has molecular formula C6H9ClN2 and molecular weight 144.60200 g/mol.

Is 1-(2-Chloroethyl)-5-methyl-1H-pyrazole hazardous?

1-(2-Chloroethyl)-5-methyl-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. "1-(2-Chloroethyl)-5-methyl-1H-pyrazole (CAS 96450-54-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505643-4 (accessed 2026-10-24).

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