Description

Dipotassium 4,4'-Bis(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Stilbene-2,2'-Disulphonate is a high-purity, water-soluble organic compound belonging to the stilbene-triazole class, valued for its exceptional optical properties. This compound serves as a critical functional additive in advanced materials, where its unique molecular structure enables precise performance tuning. It is primarily sought by manufacturers in the optical brightening agent (OBA), specialty polymer, and high-performance coating industries for applications demanding superior light management and stability.

Application

• Optical Brightening Agent (OBA): A key component in the formulation of high-efficiency fluorescent whitening agents for paper, textiles, and detergents.
• Polymer Additive: Used to enhance the optical properties and UV stability of engineering plastics and specialty polymer films.
• Advanced Coatings: Incorporated into coatings and inks to provide brightening effects and improve visual appeal.
• Fluorescent Probes & Sensors: Serves as a building block for developing chemical sensors and biological probes due to its fluorescent characteristics.
• Liquid Crystal Displays (LCDs): Potential use as an alignment layer additive or optical film component in display technologies.
• Research & Development: A valuable intermediate for synthetic chemists developing novel photonic and electronic materials.

Basic Information

Item	Details
Product Name	Dipotassium 4,4'-Bis(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Stilbene-2,2'-Disulphonate
CAS No.	52237-03-3
Molecular Formula	C34H22K2N6O6S2
Molecular Weight	768.96 g/mol
Synonyms	Dipotassium 4,4'-Bis(4-Phenyl-1,2,3-Triazol-2-Yl)Stilbene-2,2'-Disulfonate; 2,2'-(1,2-Ethenediyl)bis[5-[2-(4-phenyl-2H-1,2,3-triazol-2-yl)]benzenesulfonic acid] dipotassium salt; KCB; Fluorescent Brightener KCB; Stilbene-triazole disulfonate salt; 4,4'-Bis(4-phenyl-2H-1,2,3-triazol-2-yl)stilbene-2,2'-disulfonic acid dipotassium salt; Brightener 220
EINECS	Contact for details

Quality Control

Our production of Dipotassium 4,4'-Bis(4-Phenyl-2H-1,2,3-Triazol-2-Yl)Stilbene-2,2'-Disulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (1% Solution)	6.0 - 8.0
Solubility (in Water)	Clear, yellow solution

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