5-Amino-4-hydroxybenzene-1,3-disulfonic acid

5-氨基-4-羟基-1,3-苯二磺酸

Also known as: 2-Aminophenol-4,6-disulfonic acid, o-Aminophenol-4,6-disulfonic acid, 5-amino-4-hydroxy-1,3-benzenedisulfonic acid, 5-amino-4-hydroxybenzene-1,3-disulphonic acid, 1,3-Benzenedisulfonic acid, 5-amino-4-hydroxy-

5-Amino-4-hydroxybenzene-1,3-disulfonic acid (CAS 120-98-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO7S2 and a molecular weight of 269.252 g/mol. It is also known as 2-Aminophenol-4,6-disulfonic acid, o-Aminophenol-4,6-disulfonic acid and 5-amino-4-hydroxy-1,3-benzenedisulfonic acid. Key properties include a melting point of 170 °C and a density of 2.0±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120-98-9
Jingsj CID
J-26499-0
Molecular Formula
C6H7NO7S2
Chinese Name
5-氨基-4-羟基-1,3-苯二磺酸
Molecular Weight
269.252 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point170 °C
Density2.0±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 5-Amino-4-hydroxybenzene-1,3-disulfonic acid?

The CAS number of 5-Amino-4-hydroxybenzene-1,3-disulfonic acid is 120-98-9.

What are the molecular formula and molecular weight of 5-Amino-4-hydroxybenzene-1,3-disulfonic acid?

5-Amino-4-hydroxybenzene-1,3-disulfonic acid has molecular formula C6H7NO7S2 and molecular weight 269.252 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Amino-4-hydroxybenzene-1,3-disulfonic acid (CAS 120-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26499-0 (accessed 2026-10-23).

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