2-Amino-1-naphthalenesulfonic acid | 81-16-3

Additional information

CAS ID

81-16-3

IUPAC Name

2-aminonaphthalene-1-sulfonic acid

Molecular Formula

C10H9NO3S

Molecular Weight

SMILES

O=S(C1=C2C=CC=CC2=CC=C1N)(O)=O

General Information

Additional information

CAS ID

81-16-3

IUPAC Name

2-aminonaphthalene-1-sulfonic acid

Molecular Formula

C10H9NO3S

Molecular Weight

SMILES

O=S(C1=C2C=CC=CC2=CC=C1N)(O)=O

Description

PubChem CID 6670

Synonyms
2-AMINO-1-NAPHTHALENESULFONIC ACID, 2-Naphthylamine-1-sulfonic acid, 2-aminonaphthalene-1-sulfonic acid, 81-16-3, 1-Naphthalenesulfonic acid, 2-amino-, Kyselina tobiasova

Color Undesignated
Formula Weight 223.25
Physical Form Crystal-Powder at 20°C

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2-Amino-1-naphthalenesulfonic acid | 81-16-3 FAQS

2-Amino-1-Naphthalenesulfonic Acid is used as an intermediary in the manufacture of azo colours. Its sulfonic acid group increases water solubility, allowing more effective use in textile and industrial dyeing operations.

Because of its sensitivity to diverse environmental changes, 2-amino-1-naphthalenesulfonic Acid is used in environmental chemistry to identify contaminants and as a pH indicator in analytical testing.

2-Amino-1-Naphthalenesulfonic Acid is a useful reagent in chemical synthesis, notably for producing aromatic compounds. Its capacity to function as a nucleophile enables various substitution and addition processes.

Under typical laboratory conditions, 2-amino-1-naphthalenesulfonic Acid is relatively stable. Store it in a cool, dry area away from strong oxidising elements to avoid deterioration.

The solubility of 2-Amino-1-Naphthalenesulfonic Acid in water makes it appropriate for aqueous-based reactions, allowing it to be employed efficiently in dye formulations, buffers, and as an intermediate in aqueous chemical processes.