5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid

5-(2-氨基乙氨基)-1-萘磺酸

Also known as: EDANS, 1,5-EDANS, EDANS acid, N-(Aminoethyl)-5-naphthylamine-1-sulfonic acid, 5-(2-Aminoethylamino)-1-naphthalenesulfonic acid, N-(2-Aminoethyl)-5-naphthylamine-1-sulphonic acid

5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid (CAS 50402-56-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O3S and a molecular weight of 266.31600 g/mol. It is also known as EDANS, 1,5-EDANS and EDANS acid. Key properties include a melting point of >350°C and a density of 1.432 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
50402-56-7
Jingsj CID
J-1459535-2
Molecular Formula
C12H14N2O3S
Chinese Name
5-(2-氨基乙氨基)-1-萘磺酸
Molecular Weight
266.31600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>350°C
Density1.432 g/cm3

Frequently Asked Questions

What is the CAS number of 5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid?

The CAS number of 5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid is 50402-56-7.

What are the molecular formula and molecular weight of 5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid?

5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid has molecular formula C12H14N2O3S and molecular weight 266.31600 g/mol.

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

Last updated:

How to cite: Jingsj. "5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid (CAS 50402-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1459535-2 (accessed 2026-10-23).

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