6-(p-Toluidino)-2-naphthalenesulfonic acid sodium salt - ≥95% , CAS No.53313-85-2

CAS: 53313-85-2 Cat. No.: P334390 Molecular Weight: 335.35 EC Number: 621-257-0 PubChem CID: 23681042

GRADE & PURITY ≥95%

Synonyms

AKOS024386411 | 2-(P-TOLUIDINO)-NAPHTHALENE-6-SULFONIC ACID SODIUM SALT | 2-(p-Toluidino)naphthalene-6-sulfonic acid sodium salt | Sodium 6-(p-tolylamino)naphthalene-2-sulfonate | FT-0608919 | Sodium 6-(p-toluidino)-2-naphthalenesulfonate, TNS | SODIUM 6-

Storage

Store at 2-8°C

Shipped In

Wet ice

Overview

6-(p-Toluidino)-2-naphthalenesulfonic acid sodium salt is used as a fluorescent probe for the conformational state of proteins.

Specifications

Synonyms

AKOS024386411 | 2-(P-TOLUIDINO)-NAPHTHALENE-6-SULFONIC ACID SODIUM SALT | 2-(p-Toluidino)naphthalene-6-sulfonic acid sodium salt | Sodium 6-(p-tolylamino)naphthalene-2-sulfonate | FT-0608919 | Sodium 6-(p-toluidino)-2-naphthalenesulfonate, TNS | SODIUM 6-

Specifications & Purity

≥95%

Storage

Store at 2-8°C

Shipped In

Wet ice

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

Purity

≥95%

Names and Identifiers

• Canonical Smiles: CC1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(C=C3)S(=O)(=O)[O-].[Na+]
• IUPAC Name: sodium;6-(4-methylanilino)naphthalene-2-sulfonate
• InChIKey: QZZGQOXRGFDEJP-UHFFFAOYSA-M
• INCHI: 1S/C17H15NO3S.Na/c1-12-2-6-15(7-3-12)18-16-8-4-14-11-17(22(19,20)21)9-5-13(14)10-16;/h2-11,18H,1H3,(H,19,20,21);/q;+1/p-1
• Isomeric SMILES: CC1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(C=C3)S(=O)(=O)[O-].[Na+]
• PubChem CID: 23681042
• Molecular Weight: 335.35

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 Aniline and substituted anilines Aminotoluenes Primary aromatic amines Sulfonyls Organosulfonic acids Secondary amines Organic sodium salts Organic oxides Hydrocarbon derivatives Organic cations
• Molecular Framework: Aromatic homopolycyclic compounds
• Substituents: 2-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Aminotoluene - Aniline or substituted anilines - Toluene - Monocyclic benzene moiety - Primary aromatic amine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Secondary amine - Organic alkali metal salt - Organic sodium salt - Organic salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Amine - Organic nitrogen compound - Organic cation - 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: 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

Chemical and Physical Properties

• Molecular Weight: 335.400 g/mol
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 335.059 Da
• Monoisotopic Mass: 335.059 Da
• Topological Polar Surface Area: 77.600 Ų
• Heavy Atom Count: 23
• Formal Charge: 0
• Complexity: 471.000
• 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: 2

XLogP3

References

1. Longyu Wang, Yichen Li, Pingge Jiang, Hao Bai, Chengfan Wu, Qi Shuai, Yunfeng Yan.  (2025)  Enhanced mRNA delivery via incorporating hydrophobic amines into lipid nanoparticles.  COLLOIDS AND SURFACES B-BIOINTERFACES,      [PMID:39847891] [10.1016/j.colsurfb.2025.114528]

2. Yuduo Gao, Luwei Zhang, Ziyue Wang, Hao Bai, Chengfan Wu, Qi Shuai, Yunfeng Yan.  (2025)  Enhanced Pulmonary and Splenic mRNA Delivery Using DOTAP-Incorporated Poly(β-Amino Ester)-Lipid Nanoparticles.  BIOMACROMOLECULES,      [PMID:39746921] [10.1021/acs.biomac.4c01445]

3. Chunwei Tang, Weiqiang Jing, Kun Han, Zhenmei Yang, Shengchang Zhang, Miaoyan Liu, Jing Zhang, Xiaotian Zhao, Ying Liu, Chongdeng Shi, Qihao Chai, Ziyang Li, Maosen Han, Yan Wang, Zhipeng Fu, Zuolin Zheng, Kun Zhao, Peng Sun, Danqing Zhu, Chen Chen, Daizhou Zhang, Dawei Li, Shilei Ni, Tao Li, Jiwei Cui, Xinyi Jiang.  (2024)  mRNA-Laden Lipid-Nanoparticle-Enabled in Situ CAR-Macrophage Engineering for the Eradication of Multidrug-Resistant Bacteria in a Sepsis Mouse Model.  ACS Nano,      [PMID:38207332] [10.1021/acsnano.3c10109]

4. Hongqian Zhang, Dongshan Chen, Song Xue, Zhengping Liu, Xuehua Yang, Cong Zhang, Dawei Li, Daizhou Zhang.  (2025)  Engineered Polymeric Nanoparticles Based on Arylated Polyethylenimine Enable Spleen-Selective mRNA Delivery.  MOLECULAR PHARMACEUTICS,      [PMID:41408737] [10.1021/acs.molpharmaceut.5c01272]