4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane

Also known as: 4,4,5,5-tetramethyl-2-[(4-methylphenyl)methyl]-1,3,2-dioxaborolane, 4-Methylbenzylboronic acid pinacol ester, 4-Methylbenzylboronic acid pinacol ester, 4-methylbenzylboronic pinacol ester

4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane (CAS 356570-52-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H21BO2 and a molecular weight of 232.12600 g/mol. Key properties include a boiling point of 95ºC/1 mmHg, a density of 0.953 g/mL at 25ºC and a flash point of 110ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 356570-52-0
Jingsj CID: J-1421487-0
Molecular Formula: C₁₄H₂₁BO₂
Molecular Weight: 232.12600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	95ºC/1 mmHg
Density	0.953 g/mL at 25ºC
Flash Point	110ºC
Exact Mass	232.16300
PSA	18.46000
LogP	3.43530
Refractive Index	n20/D 1.489

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane?

The CAS number of 4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane is 356570-52-0.

What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane?

4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane has molecular formula C14H21BO2 and molecular weight 232.12600 g/mol.

What are the upstream and downstream products of 4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane?

For 4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane, Upstream Products: 4-Methylbenzyl bromide, Pinacolborane, 4-Bromotoluene; Downstream Products: 4-Ethyltoluene, N-Benzyl-4-methoxyaniline.

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. "4,4,5,5-Tetramethyl-2-(4-methylbenzyl)-1,3,2-dioxaborolane (CAS 356570-52-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421487-0 (accessed 2026-11-09).

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