2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Also known as: 4-Chloro-3-(trifluoromethyl)benzeneboronic acid pinacol ester, 4-Chloro-3-trifluoromethylphenylboronic acid pinacol ester, 4-Chloro-3-trifluoromethylphenylboronic acid, pinacol ester, 2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzotrifluoride, 1,3,2-Dioxaborolane, 2-[4-chloro-3-(trifluoromethyl)phenyl]-4,4,5,5-tetramethyl-

2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 445303-09-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H15BClF3O2 and a molecular weight of 306.51600 g/mol. Key properties include a boiling point of 327.076ºC at 760 mmHg, a density of 1.237g/cm3 and a flash point of 151.611ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 445303-09-3
Jingsj CID: J-1523715-7
Molecular Formula: C₁₃H₁₅BClF₃O₂
Molecular Weight: 306.51600 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	327.076ºC at 760 mmHg
Density	1.237g/cm3
Flash Point	151.611ºC
Exact Mass	306.08100
PSA	18.46000
LogP	3.65800
Refractive Index	1.471

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 445303-09-3.

What are the molecular formula and molecular weight of 2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C13H15BClF3O2 and molecular weight 306.51600 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(4-Chloro-3-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 445303-09-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523715-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.