6-Amino-1-naphthalenesulfonic acid

• CAT Number: R065610
• CAS Number: 81-05-0
• Molecular Formula: C10H9NO3S
• Molecular Weight: 223.25
• Purity: ≥95%
• Storage: -20°C
• IUPAC Name: 6-aminonaphthalene-1-sulfonic acid
• InChI: InChI=1S/C10H9NO3S/c11-8-4-5-9-7(6-8)2-1-3-10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)
• InChIKey: YUNBHHWDQDGWHC-UHFFFAOYSA-N
• SMILES: C1=CC2=C(C=CC(=C2)N)C(=C1)S(=O)(=O)O

6-Amino-1-naphthalenesulfonic acid（Cat No.:R065610）is an aromatic aminosulfonic acid featuring an amino group at the 6-position and a sulfonic acid group at the 1-position on a naphthalene ring. This compound is commonly used as an intermediate in the synthesis of azo dyes, fluorescent probes, and specialty pigments. Its dual functional groups enable diverse chemical modifications, including diazotization and sulfonation reactions. The molecule’s strong electron-donating and -withdrawing groups contribute to its reactivity and solubility, making it valuable in dye chemistry, textile processing, and organic material development.