4-(Dimethylamino)benzenesulfonic acid
4-(二甲基氨基)苯磺酸
Also known as: Benzenesulfonic acid, 4-(dimethylamino)-, N,N-Dimethylsulfanilic acid, p-Dimethylaminobenzenesulfonic acid, N,N-Dimethylaniline-p-sulfonic acid, 4-(Dimethylamino)benzenesulphonic acid, 4-Dimethylaminobenzenesulfonic acid, Benzenesulfonic Acid Impurity 11, p-N,N-Dimethylaminobenzenesulfonic acid
4-(Dimethylamino)benzenesulfonic acid (CAS 121-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3S and a molecular weight of 201.24300 g/mol. It is also known as Benzenesulfonic acid, 4-(dimethylamino)-, N,N-Dimethylsulfanilic acid and p-Dimethylaminobenzenesulfonic acid. Key properties include a melting point of 270.5°C and a density of 1.339g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 121-58-4
- Jingsj CID
- J-46619-6
- Molecular Formula
- C8H11NO3S
- Chinese Name
- 4-(二甲基氨基)苯磺酸
- Molecular Weight
- 201.24300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270.5°C |
|---|---|
| Density | 1.339g/cm3 |
Frequently Asked Questions
What is the CAS number of 4-(Dimethylamino)benzenesulfonic acid?
The CAS number of 4-(Dimethylamino)benzenesulfonic acid is 121-58-4.
What are the molecular formula and molecular weight of 4-(Dimethylamino)benzenesulfonic acid?
4-(Dimethylamino)benzenesulfonic acid has molecular formula C8H11NO3S and molecular weight 201.24300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Dimethylamino)benzenesulfonic acid (CAS 121-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46619-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.