4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid - ≥97% , CAS No.3365-90-0

CAS: 3365-90-0 Cat. No.: D695155 Molecular Weight: 344.36

GRADE & PURITY ≥97%

Synonyms

Benzidine-3,3''-disulfonic acid | 4,4'-diamino-3,3'-biphenyldisulfonic acid | 3,3'-Benzidinedisulfonic acid

Storage

Store at 2-8°C,Protected from light,Argon charged

Shipped In

Wet ice

Specifications

Synonyms

Benzidine-3, 3''-disulfonic acid | 4, 4'-diamino-3, 3'-biphenyldisulfonic acid | 3, 3'-Benzidinedisulfonic acid

Specifications & Purity

≥97%

Storage

Store at 2-8°C, Protected from light, Argon charged

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥97%

Names and Identifiers

• Canonical Smiles: C1=CC(=C(C=C1C2=CC(=C(C=C2)N)S(=O)(=O)O)S(=O)(=O)O)N
• IUPAC Name: 2-amino-5-(4-amino-3-sulfophenyl)benzenesulfonic acid
• InChIKey: NFSOOPQRTBEFDR-UHFFFAOYSA-N
• INCHI: 1S/C12H12N2O6S2/c13-9-3-1-7(5-11(9)21(15,16)17)8-2-4-10(14)12(6-8)22(18,19)20/h1-6H,13-14H2,(H,15,16,17)(H,18,19,20)
• Isomeric SMILES: C1=CC(=C(C=C1C2=CC(=C(C=C2)N)S(=O)(=O)O)S(=O)(=O)O)N
• Molecular Weight: 344.36

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Benzene and substituted derivatives
      • Subclass Biphenyls and derivatives
        • Level5 Benzidines
          • Level6 3,3'-disubstituted benzidines

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Benzene and substituted derivatives
• Subclass: Biphenyls and derivatives
• Intermediate Tree Nodes: Benzidines
• Direct Parent: 3,3'-disubstituted benzidines
• Alternative Parents: Benzenesulfonic acids and derivatives Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Aniline and substituted anilines Sulfonyls Organosulfonic acids Primary amines Organopnictogen compounds Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aromatic homomonocyclic compounds
• Substituents: 3,3'-disubstituted benzidine - Benzenesulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - Aniline or substituted anilines - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Hydrocarbon derivative - Organic oxygen compound - Organic nitrogen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Amine - Organic oxide - Organopnictogen compound - Aromatic homomonocyclic compound
• Description: This compound belongs to the class of organic compounds known as 3,3'-disubstituted benzidines. These are organic compounds containing a benzidine skeleton, which is substituted only at the 3- and 3'-positions.
• External Descriptors: Not available

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

Mechanisms of Action

Chemical and Physical Properties

• Molecular Weight: 344.400 g/mol
• XLogP3: 0.800
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 3
• Exact Mass: 344.014 Da
• Monoisotopic Mass: 344.014 Da
• Topological Polar Surface Area: 178.000 Ų
• Heavy Atom Count: 22
• Formal Charge: 0
• Complexity: 540.000
• 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. Junwei Xin, Lei Wang, Xudong Wang, Rui Miao, Jin Wang, Han Sun, Jiajin Hao.  (2025)  Selective separation of Ni2+/Co2+/Mn2+ enabled by tunable intrapore sulfonic acid group content in covalent organic framework membranes via EDTA-chelation-assisted process.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124252]

2. Ping Li, Ao Min, Xiaojun Zhao, Xu Li, Ziqi Chen, Jiawei Zhu, Qinhe Pan.  (2025)  Tuning sulfonated crystalline nanochannels to accelerate proton transport in aramid nanofibers-reinforced CONs membranes.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2025.123137]