2-Anisidine-4-sulfonic acid
邻氨基苯甲醚-4-磺酸
Also known as: 2-Methoxyaniline-5-sulfonic acid, 3-Amino-4-methoxybenzenesulfonic acid, 2-Aminoanisole-4-sulfonic acid, o-Anisidine-4-sulfonic acid, 2-Methoxy-5-sulfoaniline, 4-Methoxymetanilic acid, o-Anisidine-p-sulfonic acid
2-Anisidine-4-sulfonic acid (CAS 98-42-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO4S and a molecular weight of 203.216 g/mol. It is also known as 2-Methoxyaniline-5-sulfonic acid, 3-Amino-4-methoxybenzenesulfonic acid and 2-Aminoanisole-4-sulfonic acid. Key properties include a melting point of 305 °C (dec.)(lit.) and a density of 1.5±0.1 g/cm3. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98-42-0
- Jingsj CID
- J-14440-3
- Molecular Formula
- C7H9NO4S
- Chinese Name
- 邻氨基苯甲醚-4-磺酸
- Molecular Weight
- 203.216 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 305 °C (dec.)(lit.) |
|---|---|
| Density | 1.5±0.1 g/cm3 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Anisidine-4-sulfonic acid?
The CAS number of 2-Anisidine-4-sulfonic acid is 98-42-0.
What are the molecular formula and molecular weight of 2-Anisidine-4-sulfonic acid?
2-Anisidine-4-sulfonic acid has molecular formula C7H9NO4S and molecular weight 203.216 g/mol.
Is 2-Anisidine-4-sulfonic acid hazardous?
2-Anisidine-4-sulfonic acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Anisidine-4-sulfonic acid (CAS 98-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14440-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.