Description

2,2'-(1,2-Ethenediyl)Bis[4-[[4,6-Bis[(2-Chlorophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]Benzenesulfonic Acid Sodium] Salt is a high-purity, specialized organic chemical compound, identified by CAS NO 33628-30-7. This compound is valued for its unique molecular structure, which features multiple triazine and benzenesulfonic acid moieties, making it a critical functional intermediate in advanced synthesis. It is primarily sought after by research and development laboratories and industrial manufacturers in the fine chemical and specialty materials sectors.

Application

• Fluorescent Whitening Agent (FWA) Intermediate: A key precursor in the synthesis of high-performance optical brighteners for paper, textiles, and plastics.
• Specialty Dye Synthesis: Used in the production of complex, high-value dyes and pigments requiring specific light-fastness and color properties.
• Polymer Additive Development: Acts as a functional monomer or additive to impart UV-stabilizing or light-absorbing characteristics to advanced polymers.
• Liquid Crystal and OLED Material Research: Serves as a building block in the development of organic electronic materials due to its conjugated system and planar structure.
• Analytical Chemistry Reagent: Utilized as a standard or reagent in chromatographic analysis and method development for similar compound classes.
• Pharmaceutical Intermediate: Potential use in the research and synthesis of novel active pharmaceutical ingredients (APIs) with specific targeting motifs.

Basic Information

Product Name	2,2'-(1,2-Ethenediyl)Bis[4-[[4,6-Bis[(2-Chlorophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]Benzenesulfonic Acid Sodium] Salt
CAS No.	33628-30-7
Molecular Formula	C52H36Cl4N12O6S2Na2
Molecular Weight	1184.80 g/mol
Synonyms	Benzenesulfonic acid, 2,2'-(1,2-ethanediyl)bis[4-[[4,6-bis[(2-chlorophenyl)amino]-1,3,5-triazin-2-yl]amino]-, sodium salt (1:2); Sodium 4,4'-bis[[4,6-bis(o-chloroanilino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonate; Fluorescent Brightener ER; Tinopal ER; FWA ER; Optical Brightener ER; 4,4'-Bis[(4-anilino-6-(o-chloroanilino)-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of 2,2'-(1,2-Ethenediyl)Bis[4-[[4,6-Bis[(2-Chlorophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]Benzenesulfonic Acid Sodium] Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming specifications for assay (HPLC), related substances, and residual solvents.

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 moisture absorption and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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