2-Iodo-5-methylbenzenesulfonic acid
2-碘-5-甲基苯磺酸
Also known as: Benzenesulfonic acid, 2-iodo-5-methyl-, 2-iodo-5-methylbenzene-1-sulfonic acid, 2-IODO-5-METHYLBENZENESULFONIC ACID DIHYDRATE, 4-iodo-toluene-3-sulfonic acid, 4-Jod-toluol-3-sulfonsaeure
2-Iodo-5-methylbenzenesulfonic acid (CAS 139778-27-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7IO3S and a molecular weight of 298.09800 g/mol. It is also known as Benzenesulfonic acid, 2-iodo-5-methyl-, 2-iodo-5-methylbenzene-1-sulfonic acid and 2-IODO-5-METHYLBENZENESULFONIC ACID DIHYDRATE. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139778-27-1
- Jingsj CID
- J-1099416-0
- Molecular Formula
- C7H7IO3S
- Chinese Name
- 2-碘-5-甲基苯磺酸
- Molecular Weight
- 298.09800 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 2-Iodo-5-methylbenzenesulfonic acid?
The CAS number of 2-Iodo-5-methylbenzenesulfonic acid is 139778-27-1.
What are the molecular formula and molecular weight of 2-Iodo-5-methylbenzenesulfonic acid?
2-Iodo-5-methylbenzenesulfonic acid has molecular formula C7H7IO3S and molecular weight 298.09800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Iodo-5-methylbenzenesulfonic acid (CAS 139778-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1099416-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.