Description

Iodonium, [4-(1,1-dimethylethyl)phenyl](2,4,6-trimethylphenyl)-, 1,1,1-trifluoromethanesulfonate (1:1) is a specialized iodonium salt photoacid generator (PAG) of significant interest in advanced materials science. This compound matters for its role in initiating precise cationic polymerization reactions upon exposure to light, enabling high-resolution patterning. It is primarily needed by manufacturers in the electronics and photopolymer industries for applications such as photoresists, solder masks, and advanced coatings. The product is supplied with a CAS number of 1453491-95-6.

Application

• Photoresist Formulation: A key photoacid generator (PAG) for chemically amplified resists (CARs) used in semiconductor and microelectronics manufacturing.
• UV-Curable Inks & Coatings: Initiates rapid cationic polymerization for durable, scratch-resistant surface finishes.
• Optical Fiber Coatings: Enables the production of precise, light-cured protective layers for telecommunications components.
• Solder Mask Production: Used in the fabrication of printed circuit boards (PCBs) to create precise, protective patterns.
• 3D Printing (Stereolithography): Serves as a photoinitiator for high-resolution, additive manufacturing of polymer parts.
• Adhesive Curing: Facilitates fast, on-demand curing of structural adhesives and sealants using UV light sources.
• Lithographic Plates: A component in the production of printing plates for high-fidelity commercial printing.
• Advanced Material Research: A valuable reagent for developing novel light-sensitive polymers and functional materials in R&D.

Basic Information

Product Name	Iodonium, [4-(1,1-dimethylethyl)phenyl](2,4,6-trimethylphenyl)-, 1,1,1-trifluoromethanesulfonate (1:1)
CAS No.	1453491-95-6
Molecular Formula	C20H24F3IO3S
Molecular Weight	544.37 g/mol
Synonyms	(4-tert-Butylphenyl)(mesityl)iodonium Triflate; (4-tert-Butylphenyl)(2,4,6-trimethylphenyl)iodonium Trifluoromethanesulfonate; (p-tert-Butylphenyl)(mesityl)iodonium Triflate; Iodonium, (4-(1,1-dimethylethyl)phenyl)(2,4,6-trimethylphenyl)-, trifluoromethanesulfonate; Photoacid Generator PAG; TBIT; tert-Butyl Iodonium Triflate; Mesityl(4-tert-butylphenyl)iodonium Trifluoromethanesulfonate
EINECS	Contact for details

Quality Control

Our Iodonium, [4-(1,1-dimethylethyl)phenyl](2,4,6-trimethylphenyl)-, 1,1,1-trifluoromethanesulfonate (1:1) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet the stringent requirements of advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with every shipment.

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 material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); it is recommended to handle and store under an inert atmosphere such as nitrogen or argon for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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