Description

2,5-Diethoxy-4-[(4-Methylphenyl)Thio]-Benzenediazonium Tetrachlorozincate is a specialized diazonium salt complex, a critical photoactive intermediate in advanced manufacturing processes. Its value lies in its ability to generate highly reactive aryl radicals upon exposure to light or heat, enabling precise chemical bonding and surface modification. This compound is essential for B2B clients in the electronics and specialty polymer industries, particularly for photoimaging, photoresist formulations, and the surface functionalization of materials.

Application

• Photolithography and Microfabrication: A key photoacid generator (PAG) component in advanced photoresists for semiconductor and printed circuit board (PCB) manufacturing.
• Surface Modification and Grafting: Used to covalently attach functional groups or polymer chains to surfaces (e.g., glass, metals, polymers) for enhanced adhesion, wettability, or biocompatibility.
• Polymer Synthesis and Curing: Acts as an initiator for radical polymerization or cross-linking reactions in the production of specialty coatings, adhesives, and composite materials.
• Dye and Pigment Synthesis: Serves as a diazo coupling agent in the synthesis of azo dyes and high-performance organic pigments.
• Analytical Chemistry Reagent: Employed in derivatization techniques for the detection and analysis of specific chemical functionalities.

Basic Information

Product Name	2,5-Diethoxy-4-[(4-Methylphenyl)Thio]-Benzenediazonium Tetrachlorozincate
CAS No.	38656-51-8
Molecular Formula	C17H19Cl4N2O2SZn
Molecular Weight	528.58 g/mol
Synonyms	Benzenediazonium, 2,5-diethoxy-4-[(4-methylphenyl)thio]-, tetrachlorozincate(2-) (1:1); 4-(p-Tolylthio)-2,5-diethoxybenzenediazonium Zinc Chloride Complex; Diazo-22; p-Tolyl 2,5-Diethoxy-4-diazophenyl Sulfide Zinc Chloride Double Salt; 2,5-Diethoxy-4-(4-methylphenylthio)benzenediazonium Tetrachlorozincate; Light Sensitive Diazonium Salt; Photoactive Diazonium Salt
EINECS	Contact for details

Quality Control

Our production of 2,5-Diethoxy-4-[(4-Methylphenyl)Thio]-Benzenediazonium Tetrachlorozincate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical industrial applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) to maximize stability. This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Zinc Content	12.0 - 13.0 %
Solubility Test	Freely soluble in acetonitrile, DMF

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