Description

p-Diazo(4'-Tolyl)Mercapto-2,5-Dimethoxy Benzene Zinc Chloride Salt is a specialized diazonium salt complex used as a critical photoactive intermediate in advanced manufacturing processes. Its value lies in its ability to generate highly reactive species upon exposure to specific light wavelengths, enabling precise patterning and surface functionalization. This compound is essential for manufacturers and R&D laboratories in the electronics, printing plate, and specialty polymer industries seeking reliable, high-purity photoinitiators and coupling agents.

Application

• Photoresist and Photoimaging: Acts as a key photoacid generator (PAG) or cross-linking agent in the formulation of advanced photoresists for semiconductor and printed circuit board (PCB) manufacturing.
• Offset Printing Plates: Serves as a crucial component in the light-sensitive coating of pre-sensitized plates (PS plates) for high-fidelity commercial printing.
• Surface Modification & Coupling Agent: Used to functionalize surfaces (e.g., glass, metals, polymers) by creating reactive diazonium groups that form strong covalent bonds with target materials.
• Polymer Synthesis: Employed as an initiator or modifier in the synthesis of specialty polymers, including diazonium-functionalized polymers for advanced material applications.
• Chemical Research & Development: A valuable reagent for developing new photochemical processes, organic synthesis routes, and novel material coatings in academic and industrial R&D settings.
• Dye and Pigment Intermediate: Functions as a precursor in the synthesis of certain azo dyes and complex organic pigments.

Basic Information

Product Name	p-Diazo(4'-Tolyl)Mercapto-2,5-Dimethoxy Benzene Zinc Chloride Salt
CAS No.	34370-35-9
Molecular Formula	C15H15N2O2S·ZnCl2 (or similar complex form)
Molecular Weight	Contact for details
Synonyms	2,5-Dimethoxy-4-(p-tolylthio)benzenediazonium Zinc Chloride Salt; Zinc Chloride Complex of p-Diazo(4'-Tolyl)Mercapto-2,5-Dimethoxy Benzene; Diazo Tolyl Mercapto Dimethoxy Benzene Zinc Chloride; Photosensitive Diazonium Salt; Light-Sensitive Zinc Chloride Double Salt; Printing Plate Sensitizer; Photoacid Generator (PAG) Intermediate
EINECS	Contact for details

Quality Control

Our production of p-Diazo(4'-Tolyl)Mercapto-2,5-Dimethoxy Benzene Zinc Chloride Salt adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical applications. Each lot undergoes comprehensive analytical testing, including spectroscopic identification and purity assays. Certificates of Analysis (COA) detailing specific results are provided with every shipment. We support customer audits and can tailor specifications to meet the requirements of ISO-guided quality systems common in electronics and fine chemical supply chains.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and should be handled under appropriate conditions to prevent premature decomposition. Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown crystalline or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (or as per grade)
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility Test	Soluble in specified polar aprotic solvents

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