4-(Methylamino)benzenesulfonic acid
4-(甲氨基)苯磺酸
Also known as: N-Methylsulfanilic acid, N-Methylsulphanilic acid, N-Methylaniline-p-sulfonic acid, 4-(Methylamino)benzenesulphonic acid, 4-Methylaminobenzenesulfonic acid, Anilinomethane-p-sulfonic acid, N-Methylaminobenzene-p-sulfonic acid, N-Methyl-aniline-4-sulfonic acid, N-Methyl-sulfanilsaeure, p-(Methylamino)benzenesulfonic acid
4-(Methylamino)benzenesulfonic acid (CAS 24447-99-2) is a compound in the Organic Acids 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 N-Methylsulfanilic acid, N-Methylsulphanilic acid and N-Methylaniline-p-sulfonic acid. Key properties include a melting point of 260ºC (dec.) and a density of 1.421g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 24447-99-2
- Jingsj CID
- J-39112-6
- Molecular Formula
- C7H9NO3S
- Chinese Name
- 4-(甲氨基)苯磺酸
- Molecular Weight
- 187.21600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 260ºC (dec.) |
|---|---|
| Density | 1.421g/cm3 |
Frequently Asked Questions
What is the CAS number of 4-(Methylamino)benzenesulfonic acid?
The CAS number of 4-(Methylamino)benzenesulfonic acid is 24447-99-2.
What are the molecular formula and molecular weight of 4-(Methylamino)benzenesulfonic acid?
4-(Methylamino)benzenesulfonic 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. "4-(Methylamino)benzenesulfonic acid (CAS 24447-99-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39112-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.