Cas no 2092-56-0 (Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1))

Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) is an azo dye intermediate with a well-defined molecular structure, characterized by its sulfonic acid and naphthalene-based diazenyl groups. The sodium salt form enhances solubility in aqueous solutions, making it suitable for applications requiring consistent dispersion. Its chloromethyl-substituted benzene ring contributes to stability, while the hydroxy-naphthalene moiety provides functional versatility in dye synthesis. This compound is particularly valued for its precise chromophoric properties, enabling controlled color development in specialized formulations. Its structural features also suggest potential utility in analytical chemistry as a complexometric indicator or pH-sensitive probe. The product's defined composition ensures batch-to-batch reproducibility for industrial processes.
Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) structure
2092-56-0 structure
Product Name:Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)
CAS No:2092-56-0
MF:C17H12ClN2NaO4S
MW:398.795952796936
CID:258367
PubChem ID:329760449
Update Time:2026-05-14

Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) Chemical and Physical Properties

Names and Identifiers

    • Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)
    • BRIGHT RED
    • Pigment Red 53
    • Red Lake (Pigment red 53. or D & C red no. 8) - CI 15585
    • sodium,5-chloro-4-methyl-2-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate
    • Bronze Orange
    • Irgalite Red C
    • Lithosol Red C
    • Lutetia Red C
    • Monolite Red CN
    • Resamine Red GB
    • Segnale Red C
    • Toning Orange
    • 5-Chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methylbenzenesulfonic acid monosodium salt
    • Lake Red C
    • MDL: MFCD00059530
    • Inchi: InChI=1S/C17H13ClN2O4S.Na/c1-10-8-14(16(9-13(10)18)25(22,23)24)19-20-17-12-5-3-2-4-11(12)6-7-15(17)21;/h2-9,19H,1H3,(H,22,23,24);/q;+1/p-1/b20-17-;
    • InChI Key: LLELVHKMCSBMCX-RZLHGTIFSA-M
    • SMILES: [Na+].ClC1C(C)=CC(N/N=C2\C(=O)C=CC3=CC=CC=C\23)=C(S([O-])(=O)=O)C=1

Computed Properties

  • Exact Mass: 398.01000
  • Monoisotopic Mass: 398.0104
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 26
  • Rotatable Bond Count: 3
  • Complexity: 691
  • Covalently-Bonded Unit Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 1
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 4
  • XLogP3: nothing
  • Topological Polar Surface Area: 107

Experimental Properties

  • Boiling Point: °Cat760mmHg
  • Flash Point: °C
  • PSA: 110.53000
  • LogP: 5.90750

Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) Security Information

  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Safety Instruction: 24/25
  • RTECS:DB5550000

Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) Pricemore >>

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Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) Related Literature

Additional information on Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)

Benzenesulfonic Acid, 5-Chloro-2-[2-(2-Hydroxy-1-Naphthalenyl)Diazenyl]-4-Methyl-, Sodium Salt (1:1): A Comprehensive Overview

Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1), commonly referred to by its CAS number CAS No. 2092-56-0, is a complex organic compound with significant applications in various fields. This compound is a sodium salt of benzenesulfonic acid derivative, featuring a diazenyl group and hydroxy-substituted naphthalene moiety. Its unique structure endows it with distinctive chemical and physical properties, making it valuable in industries such as pharmaceuticals, dyes, and materials science.

The molecular structure of this compound is characterized by a benzene ring substituted with a sulfonic acid group, a chlorine atom at the 5-position, and a methyl group at the 4-position. The diazenyl group (-N=N-) connects the benzene ring to a hydroxy-substituted naphthalene ring system. This arrangement creates a conjugated system that enhances the compound's stability and reactivity. The presence of the diazenyl group also imparts unique electronic properties, which are crucial for its applications in dye chemistry and as an intermediate in organic synthesis.

Recent studies have highlighted the importance of such compounds in the development of advanced materials. For instance, researchers have explored the use of CAS No. 2092-56-0 in creating novel dye-sensitized solar cells (DSSCs). The compound's ability to absorb light across a broad spectrum makes it an ideal candidate for enhancing the efficiency of these devices. Additionally, its hydroxy group facilitates strong interactions with titanium dioxide nanoparticles, which are commonly used in DSSCs.

In the pharmaceutical industry, this compound has been investigated as a potential precursor for bioactive molecules. The naphthalene moiety is known for its pharmacological activity, and modifying it with other functional groups can lead to compounds with enhanced therapeutic effects. Recent research has focused on optimizing the synthesis process to improve yield and purity, ensuring that the compound meets stringent pharmaceutical standards.

The synthesis of Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) involves multiple steps, including diazotization and coupling reactions. These steps require precise control over reaction conditions to ensure the formation of the desired product. Innovations in catalytic systems and green chemistry practices have made this synthesis more efficient and environmentally friendly.

In terms of applications beyond traditional industries, this compound has shown promise in biotechnology. Its ability to form stable complexes with metal ions has led to its use in metalloenzyme mimics and catalytic systems. Researchers have also explored its potential as a building block for supramolecular assemblies, which are essential for constructing advanced materials with tailored properties.

The global demand for such specialized chemicals is driven by advancements in technology and increasing investment in R&D activities. As industries continue to seek sustainable solutions, compounds like CAS No. 2092-56-0 play a pivotal role in enabling innovation across multiple sectors.

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