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3-Chloro-4-hydroxyphenylboronic acid, pinacol ester

Also known as: 2-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol, Phenol, 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 3-Chloro-4-hydroxybenzeneboronic acid, pinacol ester, 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phen, 3-Chloro-4-hydroxyphenylboronic acid pinacol ester

3-Chloro-4-hydroxyphenylboronic acid, pinacol ester (CAS 629658-06-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H16BClO3 and a molecular weight of 254.51800 g/mol. Key properties include a boiling point of 350.8ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 166ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
629658-06-6
Jingsj CID
J-1446061-8
Molecular Formula
C12H16BClO3
Molecular Weight
254.51800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point350.8ºC at 760 mmHg
Density1.19g/cm3
Flash Point166ºC
Exact Mass254.08800
PSA38.69000
LogP2.34480
Refractive Index1.529
Storage Conditions2-8°C

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 3-Chloro-4-hydroxyphenylboronic acid, pinacol ester?

The CAS number of 3-Chloro-4-hydroxyphenylboronic acid, pinacol ester is 629658-06-6.

What are the molecular formula and molecular weight of 3-Chloro-4-hydroxyphenylboronic acid, pinacol ester?

3-Chloro-4-hydroxyphenylboronic acid, pinacol ester has molecular formula C12H16BClO3 and molecular weight 254.51800 g/mol.

What are the upstream and downstream products of 3-Chloro-4-hydroxyphenylboronic acid, pinacol ester?

For 3-Chloro-4-hydroxyphenylboronic acid, pinacol ester, Upstream Products: 4-Bromo-2-chlorophenol, Bis(pinacolato)diboron.

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

Last updated:

How to cite: Jingsj. "3-Chloro-4-hydroxyphenylboronic acid, pinacol ester (CAS 629658-06-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446061-8 (accessed 2026-11-09).

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