4-Amino-1-naphthalenesulfonic acid
4-氨基-1-萘磺酸
Also known as: Naphthionic acid, 1-Naphthylamine-4-sulfonic acid, 4-Aminonaphthalene-1-sulfonic acid, 4-Amino-1-naphthalenesulphonic acid, alpha-Naphthylamine-4-sulfonic acid
4-Amino-1-naphthalenesulfonic acid (CAS 84-86-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3S and a molecular weight of 223.24800 g/mol. It is also known as Naphthionic acid, 1-Naphthylamine-4-sulfonic acid and 4-Aminonaphthalene-1-sulfonic acid. Key properties include a melting point of ≥300 °C(lit.), a boiling point of 434ºC and a density of 1.67. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84-86-6
- Jingsj CID
- J-1103790-1
- Molecular Formula
- C10H9NO3S
- Chinese Name
- 4-氨基-1-萘磺酸
- Molecular Weight
- 223.24800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ≥300 °C(lit.) |
|---|---|
| Boiling Point | 434ºC |
| Density | 1.67 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Amino-1-naphthalenesulfonic acid?
The CAS number of 4-Amino-1-naphthalenesulfonic acid is 84-86-6.
What are the molecular formula and molecular weight of 4-Amino-1-naphthalenesulfonic acid?
4-Amino-1-naphthalenesulfonic acid has molecular formula C10H9NO3S and molecular weight 223.24800 g/mol.
Is 4-Amino-1-naphthalenesulfonic acid hazardous?
4-Amino-1-naphthalenesulfonic 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. "4-Amino-1-naphthalenesulfonic acid (CAS 84-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103790-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.