Description

2,2'-(1,2-Ethenediyl)Bis[5-(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Benzenesulfonic Acid] is a specialized, high-purity organic compound with a complex molecular architecture featuring a central ethenediyl bridge linked to benzenesulfonic acid and phenyltriazole groups. This structure makes it a valuable intermediate and functional component in advanced material science and specialty chemical synthesis. It is primarily sought after by research institutions and industrial manufacturers developing optical brightening agents, photoinitiators, and functional polymers where precise molecular control is critical.

Application

• Optical Brightening Agent (OBA) Synthesis: A key intermediate in the production of high-performance fluorescent whitening agents for paper, textiles, and plastics.
• Photoinitiator Development: Used in research and manufacturing of UV-curable coatings, inks, and adhesives due to its light-absorbing triazole and sulfonic acid functionalities.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfonic acid groups and UV-stabilizing triazole units into specialty polymers.
• Liquid Crystal & Display Materials: Serves as a building block for creating advanced organic molecules used in electronic display technologies.
• Corrosion Inhibitor Formulation: Investigated for use in high-performance corrosion protection coatings for metal surfaces.
• Analytical Chemistry & Biochemistry: Employed as a fluorescent probe or tagging reagent in research applications.
• Dye & Pigment Intermediate: Used in the synthesis of complex dyes and organic pigments requiring specific light-fastness properties.

Basic Information

Product Name	2,2'-(1,2-Ethenediyl)Bis[5-(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Benzenesulfonic Acid]
CAS No.	37069-54-8
Molecular Formula	C₃₀H₂₂N₆O₆S₂
Molecular Weight	626.66 g/mol
Synonyms	4,4'-Bis(4-phenyl-2H-1,2,3-triazol-2-yl)stilbene-2,2'-disulfonic Acid; 4,4'-Bis(4-phenyl-1,2,3-triazol-2-yl)stilbene-2,2'-disulfonic Acid; DAS Triazole; Fluorescent Brightener DAS Triazole; 2,2'-(1,2-Ethenediyl)bis[5-(4-phenyl-1H-1,2,3-triazol-1-yl)benzenesulfonic acid] (tautomer); 2,2'-(Ethene-1,2-diyl)bis[5-(4-phenyl-2H-1,2,3-triazol-2-yl)benzenesulfonic acid]; 4,4'-Bis(4-phenyl-2H-1,2,3-triazol-2-yl)-2,2'-stilbenedisulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 2,2'-(1,2-Ethenediyl)Bis[5-(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Benzenesulfonic Acid] adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, NMR, and FTIR. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%; Any single impurity ≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.