Description

(4-Nitrophenyl)Phenyliodonium Trifluoromethanesulfonate is a specialized diaryliodonium salt, a class of compounds valued for their role as efficient photoacid generators (PAGs) and versatile arylating agents. Its core value lies in its ability to generate strong acids upon exposure to light, which is critical for initiating and controlling polymerization reactions in advanced materials. This high-purity reagent is essential for researchers and manufacturers in the photoresist, polymer chemistry, and pharmaceutical intermediate synthesis sectors, where precise and reliable performance is non-negotiable.

Application

• Photoacid Generator (PAG) in Photoresists: A key component in chemically amplified resists (CARs) for microelectronics and semiconductor lithography, enabling high-resolution patterning.
• Cationic Polymerization Initiator: Used to initiate the ring-opening polymerization of epoxides, vinyl ethers, and other monomers under UV light for coatings, adhesives, and inks.
• Arylating Agent in Organic Synthesis: Facilitates the introduction of the 4-nitrophenyl group into target molecules under mild conditions for constructing complex pharmaceutical intermediates.
• Crosslinking Agent for Polymers: Employed in UV-curable systems to create dense, high-performance polymer networks with enhanced thermal and mechanical properties.
• Research & Development: A valuable tool in academic and industrial R&D for developing new photochemical processes and advanced functional materials.

Basic Information

Product Name	(4-Nitrophenyl)Phenyliodonium Trifluoromethanesulfonate
CAS No.	905718-45-8
Molecular Formula	C13H9F3INO5S
Molecular Weight	475.18 g/mol
Synonyms	(4-Nitrophenyl)phenyliodonium triflate; (p-Nitrophenyl)phenyliodonium trifluoromethanesulfonate; 4-Nitro(phenyl)iodonium triflate; [4-Nitrophenyl(phenyl)iodonium] trifluoromethanesulfonate; Diaryliodonium Triflate Derivative; Iodonium, (4-nitrophenyl)phenyl-, trifluoromethanesulfonate; Photoacid Generator PAG; Aryl iodonium salt
EINECS	Contact for details

Quality Control

Our (4-Nitrophenyl)Phenyliodonium Trifluoromethanesulfonate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis, to ensure it meets the stringent requirements of advanced material synthesis. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to guarantee traceability and performance consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent decomposition. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm

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