2-Naphthalenesulfonic acid, 5-amino-6-ethoxy-

5-氨基-6-乙氧基萘-2-磺酸

Also known as: 5-amino-6-ethoxynaphthalene-2-sulphonic acid, 5-amino-6-ethoxy-2-naphthalenesulfonic acid, 5-amino-6-ethoxynaphthalene-2-sulfonic acid, 1-amino-2-ethoxy-6-sulpho-naphthalene, 1-amino-2-ethoxynaphthalene-6-sulfonic acid, 6-ethoxy-5-amino-naphthalene-2-sulfonic acid, C.I.38480, Ethoxy Cleve's Acid, 1-Amino-(naphthol-(2)-aethylaether)-sulfonsaeure-(6)

2-Naphthalenesulfonic acid, 5-amino-6-ethoxy- (CAS 118-28-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H13NO4S and a molecular weight of 267.30100 g/mol. It is also known as 5-amino-6-ethoxynaphthalene-2-sulphonic acid, 5-amino-6-ethoxy-2-naphthalenesulfonic acid and 5-amino-6-ethoxynaphthalene-2-sulfonic acid. Key property: a density of 1.413g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
118-28-5
Jingsj CID
J-1993814-5
Molecular Formula
C12H13NO4S
Chinese Name
5-氨基-6-乙氧基萘-2-磺酸
Molecular Weight
267.30100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.413g/cm3

Frequently Asked Questions

What is the CAS number of 2-Naphthalenesulfonic acid, 5-amino-6-ethoxy-?

The CAS number of 2-Naphthalenesulfonic acid, 5-amino-6-ethoxy- is 118-28-5.

What are the molecular formula and molecular weight of 2-Naphthalenesulfonic acid, 5-amino-6-ethoxy-?

2-Naphthalenesulfonic acid, 5-amino-6-ethoxy- has molecular formula C12H13NO4S and molecular weight 267.30100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Naphthalenesulfonic acid, 5-amino-6-ethoxy- (CAS 118-28-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993814-5 (accessed 2026-10-22).

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