Description

Tris-(4-Chlorophenyl)-Sulfonium Chloride is a specialized organosulfur salt widely recognized for its role as a high-performance photoacid generator (PAG). This compound is critical in advanced manufacturing processes where precise control over chemical reactions initiated by light is required. It is primarily utilized by the electronics and specialty polymer industries for applications such as photoresist formulations and cationic polymerization.

Application

• Photoresist Formulations: A key photoacid generator (PAG) in chemically amplified photoresists for semiconductor and microelectronics fabrication.
• Cationic Polymerization: Initiates polymerization reactions for producing specialized epoxy resins, coatings, and adhesives under UV light.
• Advanced Lithography: Used in deep-UV (DUV) and other high-resolution lithographic processes for integrated circuit manufacturing.
• Polymer Modification: Facilitates cross-linking and curing reactions in high-performance polymer systems.
• Chemical Synthesis: Acts as a catalyst or reagent in organic synthesis for creating complex molecular structures.
• Research & Development: Employed in academic and industrial R&D for developing new photopolymerizable materials and processes.

Basic Information

Product Name	Tris-(4-Chlorophenyl)-Sulfonium Chloride
CAS No.	10354-98-0
Molecular Formula	C18H12Cl4S+ • Cl-
Molecular Weight	428.17 g/mol
Synonyms	Tris(p-chlorophenyl)sulfonium chloride; Tris(4-chlorophenyl)sulfonium chloride; (4-Chlorophenyl)diphenylsulfonium chloride (isomer); Triphenylsulfonium chloride derivative; Photoacid Generator PAG; Sulfonium salt; Tris(4-Cl-Ph)-S-Cl
EINECS	Contact for details

Quality Control

Our Tris-(4-Chlorophenyl)-Sulfonium Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for high-tech applications. Certificates of Analysis (COA) with detailed specifications are provided to guarantee batch-to-batch consistency and performance reliability.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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