2-(p-Toluidino)-6-naphthalenesulfonic acid

Also known as: 2,6-TNS, TNS, 6-(p-Toluidino)-2-naphthalenesulfonic acid, 2-p-Toluidinylnaphthalene-6-sulfonic acid, 6-(4-Methylanilino)-2-naphthalenesulfonic acid, 6-[(4-Methylphenyl)amino]-2-naphthalenesulfonic acid, 6-p-Toluidinonaphthalene-2-sulphonic acid

2-(p-Toluidino)-6-naphthalenesulfonic acid (CAS 7724-15-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H15NO3S and a molecular weight of 313.37100 g/mol. Key property: a density of 1.37 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7724-15-4
Jingsj CID: J-1991020-2
Molecular Formula: C₁₇H₁₅NO₃S
Molecular Weight: 313.37100 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.37 g/cm3
Exact Mass	313.07700
PSA	74.78000
LogP	5.29230
Refractive Index	1.692

Customs & Trade Information

HS Code	2921499090
Summary	2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(p-Toluidino)-6-naphthalenesulfonic acid?

The CAS number of 2-(p-Toluidino)-6-naphthalenesulfonic acid is 7724-15-4.

What are the molecular formula and molecular weight of 2-(p-Toluidino)-6-naphthalenesulfonic acid?

2-(p-Toluidino)-6-naphthalenesulfonic acid has molecular formula C17H15NO3S and molecular weight 313.37100 g/mol.

What are the upstream and downstream products of 2-(p-Toluidino)-6-naphthalenesulfonic acid?

For 2-(p-Toluidino)-6-naphthalenesulfonic acid, Upstream Products: p-Toluidine, 6-Amino-2-naphthalenesulfonic acid, Sodium 6-hydroxynaphthalene-2-sulfonate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(p-Toluidino)-6-naphthalenesulfonic acid (CAS 7724-15-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991020-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.