3-Ethylthiophenylboronic acid

3-乙硫基苯硼酸

Also known as: 3-(Ethylthio)-benzeneboronic acid, 3-ETHYLTHIOPHENYLBORONIC ACID, 3-Ethylthiophenylboronic acid (contains varying amounts of Anhydride), 3-Ethylthiophenylboronic acid - [E3165], Boronic acid, B-[3-(ethylthio)phenyl]-

3-Ethylthiophenylboronic acid (CAS 870718-05-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11BO2S and a molecular weight of 182.04800 g/mol. It is also known as 3-(Ethylthio)-benzeneboronic acid, 3-ETHYLTHIOPHENYLBORONIC ACID and 3-Ethylthiophenylboronic acid (contains varying amounts of Anhydride). Key properties include a melting point of 118-122ºC(lit.), a boiling point of 351.7ºC at 760 mmHg, a density of 1.18g/cm3 and a flash point of 166.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
870718-05-1
Jingsj CID
J-1446865-4
Molecular Formula
C8H11BO2S
Chinese Name
3-乙硫基苯硼酸
Molecular Weight
182.04800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118-122ºC(lit.)
Boiling Point351.7ºC at 760 mmHg
Density1.18g/cm3
Flash Point166.5ºC

Frequently Asked Questions

What is the CAS number of 3-Ethylthiophenylboronic acid?

The CAS number of 3-Ethylthiophenylboronic acid is 870718-05-1.

What are the molecular formula and molecular weight of 3-Ethylthiophenylboronic acid?

3-Ethylthiophenylboronic acid has molecular formula C8H11BO2S and molecular weight 182.04800 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Ethylthiophenylboronic acid (CAS 870718-05-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446865-4 (accessed 2026-10-25).

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