m-Toluidine-4-sulfonic acid
间甲苯胺-4-磺酸
Also known as: 3-Methylaniline-4-sulfonic acid, 4-Amino-2-methylbenzenesulfonic acid, 4-Amino-2-methylbenzene-1-sulfonic acid, 5-Aminotoluene-2-sulfonic acid, 5-Aminotoluene-2-sulphonic acid, 4-amino-o-toluenesulfonic acid, EINECS 205-120-9, MFCD00035774
m-Toluidine-4-sulfonic acid (CAS 133-78-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3S and a molecular weight of 187.21600 g/mol. It is also known as 3-Methylaniline-4-sulfonic acid, 4-Amino-2-methylbenzenesulfonic acid and 4-Amino-2-methylbenzene-1-sulfonic acid. Key property: a density of 1.431g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133-78-8
- Jingsj CID
- J-24459-4
- Molecular Formula
- C7H9NO3S
- Chinese Name
- 间甲苯胺-4-磺酸
- Molecular Weight
- 187.21600 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.431g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of m-Toluidine-4-sulfonic acid?
The CAS number of m-Toluidine-4-sulfonic acid is 133-78-8.
What are the molecular formula and molecular weight of m-Toluidine-4-sulfonic acid?
m-Toluidine-4-sulfonic acid has molecular formula C7H9NO3S and molecular weight 187.21600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "m-Toluidine-4-sulfonic acid (CAS 133-78-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24459-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.