Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate

3-三氟甲基-1H-吡唑-4-羧酸乙酯

Also known as: Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, Ethyl 3-trifluoromethyl-1H-pyrazole-4-carboxylate, 3-(Trifluoromethyl)pyrazole-4-carboxylic acid ethyl ester, 3-(Trifluoromethyl)-1H-pyrazole-4-carboxylic acid ethyl ester, Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate, MFCD00052083

Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 155377-19-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7F3N2O2 and a molecular weight of 208.14 g/mol. It is also known as Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, Ethyl 3-trifluoromethyl-1H-pyrazole-4-carboxylate and 3-(Trifluoromethyl)pyrazole-4-carboxylic acid ethyl ester. Key properties include a melting point of 145 °C, a boiling point of 196.5±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 72.6±27.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
155377-19-8
Jingsj CID
J-1345-3
Molecular Formula
C7H7F3N2O2
Chinese Name
3-三氟甲基-1H-吡唑-4-羧酸乙酯
Molecular Weight
208.14 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point145 °C
Boiling Point196.5±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point72.6±27.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate?

The CAS number of Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate is 155377-19-8.

What are the molecular formula and molecular weight of Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate?

Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate has molecular formula C7H7F3N2O2 and molecular weight 208.14 g/mol.

Is Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate hazardous?

Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate 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. "Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 155377-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345-3 (accessed 2026-10-22).

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