4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid
4-羟基-7-[(4-甲氧基苯基)氨基]萘-2-磺酸
Also known as: 2-Naphthalenesulfonic acid, 4-hydroxy-7-[(4-methoxyphenyl)amino]-, 4-Hydroxy-7-((4-methoxyphenyl)amino)naphthalen-2-sulphonic acid, 4-Hydroxy-7-[(4-methoxyphenyl)amino]-2-naphthalenesulfonic acid, 4-hydroxy-7-(4-methoxyanilino)naphthalene-2-sulfonic acid, 1-Hydroxy-6-(4-methoxyphenylamino)-3-naphthalenesulfonic acid
4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid (CAS 118-51-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H15NO5S and a molecular weight of 345.37000 g/mol. It is also known as 2-Naphthalenesulfonic acid, 4-hydroxy-7-[(4-methoxyphenyl)amino]-, 4-Hydroxy-7-((4-methoxyphenyl)amino)naphthalen-2-sulphonic acid and 4-Hydroxy-7-[(4-methoxyphenyl)amino]-2-naphthalenesulfonic acid. Key property: a density of 1.47g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 118-51-4
- Jingsj CID
- J-6622-6
- Molecular Formula
- C17H15NO5S
- Chinese Name
- 4-羟基-7-[(4-甲氧基苯基)氨基]萘-2-磺酸
- Molecular Weight
- 345.37000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.47g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid?
The CAS number of 4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid is 118-51-4.
What are the molecular formula and molecular weight of 4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid?
4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid has molecular formula C17H15NO5S and molecular weight 345.37000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-7-[(4-methoxyphenyl)amino]naphthalene-2-sulfonic acid (CAS 118-51-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6622-6 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.