3-Ethylbenzenesulfonic acid
3-乙基苯磺酸
Also known as: 3-ETHYLBENZENESULFONIC ACID, m-Ethylbenzenesulfonic acid, Benzenesulfonic acid, 3-ethyl-, 3-ethyl-benzenesulfonic acid, 3-Aethyl-benzolsulfonsaeure, m-Aethyl-benzolsulfonsaeure
3-Ethylbenzenesulfonic acid (CAS 138-29-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3S and a molecular weight of 186.22800 g/mol. It is also known as 3-ETHYLBENZENESULFONIC ACID, m-Ethylbenzenesulfonic acid and Benzenesulfonic acid, 3-ethyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138-29-4
- Jingsj CID
- J-44455-2
- Molecular Formula
- C8H10O3S
- Chinese Name
- 3-乙基苯磺酸
- Molecular Weight
- 186.22800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 3-Ethylbenzenesulfonic acid?
The CAS number of 3-Ethylbenzenesulfonic acid is 138-29-4.
What are the molecular formula and molecular weight of 3-Ethylbenzenesulfonic acid?
3-Ethylbenzenesulfonic acid has molecular formula C8H10O3S and molecular weight 186.22800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Ethylbenzenesulfonic acid (CAS 138-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44455-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.