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Atomfair (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium Trifluoromethanesulfonate Mesityl(p-tolyl)iodonium triflate C17H18F3IO3S

Description (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium Trifluoromethanesulfonate (CAS No. 1204518-02-4) is a highly specialized iodonium salt with the molecular formula C17H18F3IO3S . This compound is widely recognized for its role as a photoacid generator (PAG) in advanced photoresist formulations, particularly in semiconductor manufacturing and UV-curable coatings. Its unique structure, featuring a mesityl and p-tolyl group bound to an iodonium center paired with a triflate anion, ensures excellent solubility in organic solvents and efficient photodecomposition under UV exposure. With high thermal stability and low volatility, it is ideal for precision lithography applications. Packaged under inert conditions to ensure purity and longevity, this reagent meets the…

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Description

Description

(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium Trifluoromethanesulfonate (CAS No. 1204518-02-4) is a highly specialized iodonium salt with the molecular formula C17H18F3IO3S. This compound is widely recognized for its role as a photoacid generator (PAG) in advanced photoresist formulations, particularly in semiconductor manufacturing and UV-curable coatings. Its unique structure, featuring a mesityl and p-tolyl group bound to an iodonium center paired with a triflate anion, ensures excellent solubility in organic solvents and efficient photodecomposition under UV exposure. With high thermal stability and low volatility, it is ideal for precision lithography applications. Packaged under inert conditions to ensure purity and longevity, this reagent meets the stringent requirements of research and industrial processes.

  • CAS No: 1204518-02-4
  • Molecular Formula: C17H18F3IO3S
  • Molecular Weight: 486.3
  • Exact Mass: 485.99735
  • Monoisotopic Mass: 485.99735
  • IUPAC Name: (4-methylphenyl)-(2,4,6-trimethylphenyl)iodanium;trifluoromethanesulfonate
  • SMILES: CC1=CC=C(C=C1)[I+]C2=C(C=C(C=C2C)C)C.C(F)(F)(F)S(=O)(=O)[O-]
  • Synonyms: (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium trifluoromethanesulfonate, 694-753-8, 1204518-02-4, (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate, Mesityl(p-tolyl)iodonium triflate

Application

This iodonium salt is primarily used as a photoacid generator (PAG) in chemically amplified photoresists for semiconductor lithography, enabling high-resolution patterning. It also finds application in UV-curing systems for coatings and adhesives, where it initiates cationic polymerization upon exposure. Additionally, researchers utilize it in organic synthesis as a mild Lewis acid catalyst or arylating agent.

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