2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

5'-己基-2,2'-联噻吩-5-硼酸频哪醇酯

Also known as: 5'-hexyl-2,2'-bithiophene-5-boronic acid pinacol ester, 5'-n-hexyl-2,2'-bithiophene-5-boronic acid pinacol ester, 2-(5'-hexyl-2,2'-bithiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 5-(5-hexylthiophen-2-yl)thiophene-2-boronic acid pinacol ester

2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 579503-59-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H29BO2S2 and a molecular weight of 376.38400 g/mol. It is also known as 5'-hexyl-2,2'-bithiophene-5-boronic acid pinacol ester, 5'-n-hexyl-2,2'-bithiophene-5-boronic acid pinacol ester and 2-(5'-hexyl-2,2'-bithiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. Key properties include a melting point of 36-40ºC(lit.), a boiling point of 472.5ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 110ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
579503-59-6
Jingsj CID
J-1497001-2
Molecular Formula
C20H29BO2S2
Chinese Name
5'-己基-2,2'-联噻吩-5-硼酸频哪醇酯
Molecular Weight
376.38400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point36-40ºC(lit.)
Boiling Point472.5ºC at 760 mmHg
Density1.1g/cm3
Flash Point110ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 579503-59-6.

What are the molecular formula and molecular weight of 2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C20H29BO2S2 and molecular weight 376.38400 g/mol.

Is 2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane hazardous?

2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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. "2-(5'-hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 579503-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497001-2 (accessed 2026-10-25).

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