4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid

4-(乙酰氨基)-5-羟基-2,7-萘二磺酸

Also known as: 1-Acetamido-8-naphthol-3,6-disulfonic acid, 1-Acetylamino-8-naphthol-3,6-disulfonic acid, 1-Acetylamino-8-hydroxy-3,6-naphthalenedisulfonic acid, 4-Acetamido-5-hydroxynaphthalene-2,7-disulphonic acid, 4-Acetylamino-5-hydroxy-naphthalene-2,7-disulfonic acid, 4-(Acetylamino)-5-hydroxy-7-naphthalenedisulfonic acid, 8-Acetamino-naphthol-(1)-disulfonsaeure-(3.6), 8-Acetylamino-3,6-disulfo-1-naphthol, Acetyl H acid, N-Acetyl H Acid, Einecs 205-139-2

4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid (CAS 134-34-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11NO8S2 and a molecular weight of 361.34800 g/mol. It is also known as 1-Acetamido-8-naphthol-3,6-disulfonic acid, 1-Acetylamino-8-naphthol-3,6-disulfonic acid and 1-Acetylamino-8-hydroxy-3,6-naphthalenedisulfonic acid. Key property: a density of 1.801 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
134-34-9
Jingsj CID
J-45071-7
Molecular Formula
C12H11NO8S2
Chinese Name
4-(乙酰氨基)-5-羟基-2,7-萘二磺酸
Molecular Weight
361.34800 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density1.801 g/cm3

Frequently Asked Questions

What is the CAS number of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?

The CAS number of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid is 134-34-9.

What are the molecular formula and molecular weight of 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?

4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid has molecular formula C12H11NO8S2 and molecular weight 361.34800 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid (CAS 134-34-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45071-7 (accessed 2026-10-24).

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