1-naphthylamine-8-sulfonic acid

周位酸

Also known as: Peri acid, 8-aminonaphthalene-1-sulfonic acid, 8-amino-1-naphthalenesulfonic acid, 1-amino-8-naphthalenesulfonic acid, 8-sulfo-1-naphthylamine, 1-Naphthalenesulfonic acid, 8-amino-, 8-Amino-1-naphthalenesulfonic acid, 8-Aminonaphthalene-1-sulfonic acid, EINECS 201-437-1, MFCD00035730

1-naphthylamine-8-sulfonic acid (CAS 82-75-7) 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 223.248 g/mol. It is also known as Peri acid, 8-aminonaphthalene-1-sulfonic acid and 8-amino-1-naphthalenesulfonic acid. Key properties include a melting point of >350°C and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82-75-7
Jingsj CID
J-1103763-1
Molecular Formula
C10H9NO3S
Chinese Name
周位酸
Molecular Weight
223.248 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>350°C
Density1.5±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 1-naphthylamine-8-sulfonic acid?

The CAS number of 1-naphthylamine-8-sulfonic acid is 82-75-7.

What are the molecular formula and molecular weight of 1-naphthylamine-8-sulfonic acid?

1-naphthylamine-8-sulfonic acid has molecular formula C10H9NO3S and molecular weight 223.248 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-naphthylamine-8-sulfonic acid (CAS 82-75-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103763-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.