1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid

1-(4-甲基苯基)-5-(三氟甲基)-1H-吡唑-4-羧酸

Also known as: 1-(4-methylphenyl)-5-(trifluoromethyl)pyrazole-4-carboxylic acid, 1-(4-methylphenyl)-5-(trifluoromethyl)-4-pyrazolecarboxylic acid, 1-p-tolyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 1-(4-methylphenyl)-5-(trifluoromethyl)-

1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 98534-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H9F3N2O2 and a molecular weight of 270.20700 g/mol. It is also known as 1-(4-methylphenyl)-5-(trifluoromethyl)pyrazole-4-carboxylic acid, 1-(4-methylphenyl)-5-(trifluoromethyl)-4-pyrazolecarboxylic acid and 1-p-tolyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid. Key properties include a melting point of 151-155ºC(lit.), a boiling point of 377.8ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 182.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98534-84-0
Jingsj CID
J-18005-4
Molecular Formula
C12H9F3N2O2
Chinese Name
1-(4-甲基苯基)-5-(三氟甲基)-1H-吡唑-4-羧酸
Molecular Weight
270.20700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point151-155ºC(lit.)
Boiling Point377.8ºC at 760 mmHg
Density1.4g/cm3
Flash Point182.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid?

The CAS number of 1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid is 98534-84-0.

What are the molecular formula and molecular weight of 1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid?

1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid has molecular formula C12H9F3N2O2 and molecular weight 270.20700 g/mol.

Is 1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid hazardous?

1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 98534-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18005-4 (accessed 2026-10-23).

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