CAS 90-20-0

H acid

Description:

H acid, also known as 1-amino-2-naphthol-4-sulfonic acid, is an organic compound with the CAS number 90-20-0. It is characterized by its sulfonic acid functional group, which imparts strong acidity and enhances its solubility in water. H acid appears as a solid, typically in the form of a crystalline powder, and is known for its deep red color. This compound is primarily used in the dye industry, particularly in the synthesis of azo dyes, due to its ability to form stable dye intermediates. Additionally, H acid exhibits good thermal stability and is soluble in various organic solvents. Its chemical structure includes an amino group and a naphthalene ring, contributing to its reactivity and utility in various chemical reactions. Safety considerations include handling it with care, as it can be harmful if ingested or inhaled, and appropriate personal protective equipment should be used during handling.

Formula: C₁₀H₉NO₇S₂

InChI: InChI=1S/C10H9NO7S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)

InChI key: InChIKey=APRRQJCCBSJQOQ-UHFFFAOYSA-N

SMILES: NC=1C2=C(C=C(S(=O)(=O)O)C=C2O)C=C(S(=O)(=O)O)C1

Synonyms:

• 1-Amino-3,6-disulfo-8-naphthol
• 1-Amino-8-Hydroxynaphthalene-3,6-Disulphonic Acid
• 1-Amino-8-hydroxy-3,6-disulfonaphthalene
• 1-Amino-8-hydroxynaphthalene-3,6-disulfonic acid
• 1-Amino-8-naphthol-3,6-disulfonic acid
• 1-Amino-8-naphthyl-3,6-disulfonic acid
• 1-Hydroxy-3,6-disulfo-8-aminonaphthalene
• 1-Hydroxy-8-amino-3,6-disulfonaphthalene
• 1-Hydroxy-8-amino-3,6-naphthalenedisulfonic acid
• 1-Naphthol-3,6-disulfonic acid, 8-amino-
• 1-Naphthol-8-amino-3,6-disulfonic acid
• 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
• 3,6-Disulfo-1-amino-8-naphthol
• 3,6-Disulfo-8-hydroxy-1-naphthylamine
• 4-Amino-5-Hydroxy-2,7-Naphthalene-Disulfonic Acid
• 4-Amino-5-Hydroxy-2,7-Naphthalindisulfonsaeure
• 4-Amino-5-Hydroxynaphthalene-2,7-Disulphonic Acid
• 4-Amino-5-hydroxynaphthalin-2,7-disulfonsaure
• 5-Amino-4-hydroxy-2,7-naphthalenedisulfonic acid
• 5-Amino-4-naphthol-2,7-disulfonic acid
• 8-Amino-1-hydroxy-3,6-naphthalenedisulfonic acid
• 8-Amino-1-naphthol-3,6-disulfonic acid
• 8-Hydroxy-3,6-disulfo-1-naphthylamine
• Acide 4-amino-5-hydroxynaphtalene-2,7-disulfonique
• Acido 4-Amino-5-Hidroxinaftaleno-2,7-Disulfonico
• H-Acid
• Nsc 190492
• Sulfonphthol
• C.I. 35570

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-

CAS: 90-20-0

Formula: C₁₀H₉NO₇S₂

Purity: 97%

Color and Shape: Solid

Molecular weight: 319.3110

Ref: IN-DA00IFY0

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

CAS: 90-20-0

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

Purity: 98%

Color and Shape: Solid

Molecular weight: 319.31g/mol

Ref: 54-OR315372

Sulfonphthol

CAS: 90-20-0

Formula: C₁₀H₉NO₇S₂

Molecular weight: 319.30

Ref: 4Z-N-110016

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

CAS: 90-20-0

Formula: C₁₀H₉NO₇S₂

Purity: 95.0%

Color and Shape: Solid

Molecular weight: 319.3

Ref: 10-F078087

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Sodium Salt Hydrate

Controlled Product

CAS: 90-20-0

Formula: C₁₀H₉NO₇S₂·xNa·x(H₂O)

Color and Shape: Neat

Molecular weight: 319.31 + x(22.99) + x(18.02)

Ref: TR-A610685

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

CAS: 90-20-0

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid (4-AHNDS) is a hydroxyl group and nitrogen containing molecule. It is a reactive compound that can be used to extract anions from water. 4-AHNDS has been shown to react with sodium ions in the presence of water, forming a salt that is soluble in water. This chemical also reacts with organic molecules and forms stable complexes. The reaction mechanism of 4-AHNDS has been studied by kinetic analysis and surface methodology measurements.

Formula: C₁₀H₉NO₇S₂

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 319.31 g/mol

Ref: 3D-FA40913