tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

3-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)苯甲酸叔丁酯

Also known as: 3-(tert-Butoxycarbonyl)phenylboronic acid pinacol ester, 3-t-Butoxycarbonylphenylboronic acid pinacol ester, 3-tert-Butoxycarbonylphenylboronic acid pinacol ester, Benzoic acid, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester, BM564

tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 903895-48-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H25BO4 and a molecular weight of 304.18900 g/mol. It is also known as 3-(tert-Butoxycarbonyl)phenylboronic acid pinacol ester, 3-t-Butoxycarbonylphenylboronic acid pinacol ester and 3-tert-Butoxycarbonylphenylboronic acid pinacol ester. Key properties include a boiling point of 396.7ºC at 760 mmHg, a density of 1.04g/cm3 and a flash point of 193.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 903895-48-7
Jingsj CID: J-931272-4
Molecular Formula: C₁₇H₂₅BO₄
Chinese Name: 3-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)苯甲酸叔丁酯
Molecular Weight: 304.18900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	396.7ºC at 760 mmHg
Density	1.04g/cm3
Flash Point	193.7ºC

Frequently Asked Questions

What is the CAS number of tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate?

The CAS number of tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate is 903895-48-7.

What are the molecular formula and molecular weight of tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate?

tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate has molecular formula C17H25BO4 and molecular weight 304.18900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 903895-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-931272-4 (accessed 2026-10-24).

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