Description

Bis[4-(tert-Butyl)Phenyl]Iodonium Tetra(Nonafluoro-tert-Butoxy)Aluminate is a highly specialized iodonium salt photoacid generator (PAG) featuring a non-coordinating, weakly nucleophilic fluorinated aluminate counterion. This compound matters for its exceptional thermal stability and high photoactivity, enabling precise control in advanced photochemical processes. It is primarily needed by manufacturers in the electronics and specialty polymer industries for applications requiring ultra-fine patterning and high-resolution imaging.

Application

• Photoacid Generator (PAG) for Advanced Photoresists: A critical component in chemically amplified resists (CARs) for deep-UV (DUV), extreme-UV (EUV), and electron-beam lithography in semiconductor manufacturing.
• Cationic Photoinitiator for Polymerization: Initiates the ring-opening polymerization of epoxides, vinyl ethers, and other monomers under UV light for coatings, adhesives, and inks.
• Catalyst for Photoinduced Cationic Curing: Used in UV-curable systems for optical fibers, protective coatings, and 3D printing resins where low shrinkage and high adhesion are required.
• Synthetic Reagent in Organic Chemistry: Acts as a powerful and selective source of the tert-butylphenyl cation for Friedel-Crafts alkylation and other electrophilic aromatic substitution reactions under mild conditions.
• Surface Modification Agent: Facilitates photochemical grafting onto polymer surfaces to alter wettability, biocompatibility, or adhesion properties.

Basic Information

Product Name	Bis[4-(tert-Butyl)Phenyl]Iodonium Tetra(Nonafluoro-tert-Butoxy)Aluminate
CAS No.	2350272-68-1
Molecular Formula	C38H44F36AlI O4
Molecular Weight	Contact for details
Synonyms	Bis(4-tert-butylphenyl)iodonium tetrakis(nonafluoro-tert-butoxy)aluminate; (4-(tert-Butyl)phenyl)(iodo)bis(4-(1,1-dimethylethyl)benzene) Tetrakis(1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propan-2-olate)aluminate; Iodonium, bis[4-(1,1-dimethylethyl)phenyl]-, tetrakis(1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)-2-propanolato)aluminate(1-); Photoacid Generator PAG; Iodonium Salt Photoinitiator; BTPI-TNFA
EINECS	Contact for details

Quality Control

Our production of Bis[4-(tert-Butyl)Phenyl]Iodonium Tetra(Nonafluoro-tert-Butoxy)Aluminate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical applications. Each lot undergoes rigorous analytical testing, including NMR, HPLC, and ion chromatography, to verify identity, purity, and the absence of critical impurities like halides and metals. Certificates of Analysis (COA) detailing all specifications are 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 hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) in a dry environment to prevent decomposition. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Halide Content (IC)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 10 ppm

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