1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid

Also known as: 1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID, 1-Amino-8-hydroxy-3,6-disulfonaphthalene, 1-Amino-8-naphthol-3,6-disulphonicacid, 1-Naphthol-8-amino-3,6-disulfonicacid, 1-amino-8-hydroxynaphtalene-3,6-disulfonic acid, 1-amino-8-hydroxynaphthalene-3,6-disulfonic acid, 1-hydroxy-8-aminonaphthalene-3,6-disulfonic acid, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, 4-AMINO-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID, 4-AMINO-5-HYDROXY-2,7-NAPTHALENEDISULFONIC ACID, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, 4-amino-5-hydroxy-7-naphthalenedisulfonicacid, 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-hydroxy-5-amino-2,7-naphthalenedisulfonic acid, 7-Naphthalenedisulfonicacid,4-amino-5-hydroxy-2, 8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID, EINECS 201-975-7, H Acids, MFCD00035728, Sulfonphthol

1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid (CAS 90-20-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO7S2 and a molecular weight of 319.311 g/mol. Key properties include a melting point of >300 °C(lit.) and a density of 1.9±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.

90-20-0

Jingsj CID

J-1113557-3

Molecular Formula

C₁₀H₉NO₇S₂

Molecular Weight

319.311 g/mol

Category

Organic Acids

Last updated

11/3/2026