6-Amino-2-naphthalenesulfonic Acid - ≥98%(HPLC) , CAS No.93-00-5

CAS: 93-00-5 Cat. No.: A139448 Molecular Weight: 223.252 EC Number: 202-208-9

GRADE & PURITY ≥98%(HPLC)

Synonyms

Bronner's acid | ethyl N-(26-Amino-2-naphthalenesulfonic Acid,3,5,6-tetramethylphenyl)carbamate | 2-amino-naphthalene-6-sulfonic acid | 2-Aminonaphthalene-6-sulfonic acid | EN300-1666592 | (6Or7)-aminonaphthalene-2-sulphonic acid | 6-Amino-2-naphthalenesu

Storage

Protected from light,Room temperature

Shipped In

Normal

Overview

6-Amino-2-naphthalenesulfonic Acid is used in the synthesis of diaryl urea derivatives bearing sulfonamide moiety with an in vitro antitumor activity.

Specifications

Synonyms

Bronner's acid | ethyl N-(26-Amino-2-naphthalenesulfonic Acid, 3, 5, 6-tetramethylphenyl)carbamate | 2-amino-naphthalene-6-sulfonic acid | 2-Aminonaphthalene-6-sulfonic acid | EN300-1666592 | (6Or7)-aminonaphthalene-2-sulphonic acid | 6-Amino-2-naphthalenesu

Specifications & Purity

≥98%(HPLC)

Storage

Protected from light, Room temperature

Shipped In

Normal

Purity

≥98%(HPLC)

Names and Identifiers

• Pubchem Sid: 488180299
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488180299
• Canonical Smiles: C1=CC2=C(C=CC(=C2)S(=O)(=O)O)C=C1N
• IUPAC Name: 6-aminonaphthalene-2-sulfonic acid
• InChIKey: SEMRCUIXRUXGJX-UHFFFAOYSA-N
• INCHI: 1S/C10H9NO3S/c11-9-3-1-8-6-10(15(12,13)14)4-2-7(8)5-9/h1-6H,11H2,(H,12,13,14)
• Isomeric SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)O)C=C1N
• Alternate CAS: 52365-47-6
• Molecular Weight: 223.252
• Reaxy-Rn: 647859
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=647859&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Naphthalenes
      • Subclass Naphthalene sulfonic acids and derivatives
        • Level5 Naphthalene sulfonates
          • Level6 2-naphthalene sulfonates

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Naphthalenes
• Subclass: Naphthalene sulfonic acids and derivatives
• Intermediate Tree Nodes: Naphthalene sulfonates
• Direct Parent: 2-naphthalene sulfonates
• Alternative Parents: 2-naphthalene sulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds Sulfonyls Organosulfonic acids Primary amines Organopnictogen compounds Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aromatic homopolycyclic compounds
• Substituents: 2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Aromatic homopolycyclic compound
• Description: This compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
• External Descriptors: aminonaphthalenesulfonic acid

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Sensitivity: Light sensitive.
• Molecular Weight: 223.250 g/mol
• XLogP3: -0.100
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 223.03 Da
• Monoisotopic Mass: 223.03 Da
• Topological Polar Surface Area: 88.800 Ų
• Heavy Atom Count: 15
• Formal Charge: 0
• Complexity: 322.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

References

1. Jiang Jinhui, Pan Yiwen, Zhao Jingyi, Zhang Siwei, Ma Fulong, Zhang Zicong, Liu Mengli, Qiu Zijie, Zhao Zheng, Sun Jianwei, Kwok Ryan T. K., Xiong Yu, Lam Jacky W. Y., Han Wei, Tang Ben Zhong.  (2026)  Poly(vinyl alcohol) induced chirality inversion and amplification of circularly polarized room-temperature phosphorescence in homopolypeptide aggregates.  Nature Communications,      [PMID:41708632] [10.1038/s41467-026-69707-3]