2-Iodo-5-methylbenzenesulfonic acid
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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139778-27-1
- Jingsj CID
- J-1099416-8
- Molecular Formula
- C7H7IO3S
- Molecular Weight
- 298.09800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 297.91600 |
|---|---|
| PSA | 62.75000 |
| LogP | 2.92710 |
Frequently 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.
What are the upstream and downstream products of 2-Iodo-5-methylbenzenesulfonic acid?
For 2-Iodo-5-methylbenzenesulfonic acid, Upstream Products: 4-Aminotoluene-3-sulfonic acid, 4-Iodotoluene; Downstream Products: 3,4-Diiodotoluene.
Data compiled from public chemical databases such as PubChem 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-1099416-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.