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4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole

3-三氟甲基-1H-吡唑-4-硼酸频哪醇酯

Also known as: 3-(Trifluoromethyl)-1H-pyrazole-4-boronic acid pinacol ester, 3-(Trifluoromethyl)pyrazole-4-boronic acid pinacol ester, 3-Trifluoromethyl-1H-pyrazole-4-boronic acid pinacol ester, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)-1H-pyrazole, 1H-Pyrazole, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-, 3-(Trifluoromethyl)-1H-pyrazol-4-ylboronic acid pinacol ester

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole (CAS 1218790-40-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H14BF3N2O2 and a molecular weight of 262.037 g/mol. It is also known as 3-(Trifluoromethyl)-1H-pyrazole-4-boronic acid pinacol ester, 3-(Trifluoromethyl)pyrazole-4-boronic acid pinacol ester and 3-Trifluoromethyl-1H-pyrazole-4-boronic acid pinacol ester. Key properties include a boiling point of 347.4±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 163.9±27.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1218790-40-9
Jingsj CID
J-1481144-3
Molecular Formula
C10H14BF3N2O2
Chinese Name
3-三氟甲基-1H-吡唑-4-硼酸频哪醇酯
Molecular Weight
262.037 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point347.4±42.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point163.9±27.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole?

The CAS number of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole is 1218790-40-9.

What are the molecular formula and molecular weight of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole?

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole has molecular formula C10H14BF3N2O2 and molecular weight 262.037 g/mol.

Is 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole hazardous?

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole 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. "4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)-1H-pyrazole (CAS 1218790-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1481144-3 (accessed 2026-10-24).

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