Description

Phenyl-[m-(2-Hydroxytetradecyloxy)Phenyl]Iodonium Hexafluoroantimonate is a specialized photoacid generator (PAG) critical for advanced photoresist formulations. This compound matters for its high efficiency in generating strong acids upon exposure to UV light, which is essential for driving the chemical amplification process in high-resolution lithography. Manufacturers of semiconductor photoresists, advanced printing plates, and UV-curable coatings need this high-purity material to achieve precise pattern definition and enhanced process stability.

Application

• Semiconductor Photolithography: A key photoacid generator (PAG) in chemically amplified resists (CARs) for deep-UV (DUV), KrF, and ArF excimer laser lithography processes.
• Advanced Packaging: Used in photoresists for fan-out wafer-level packaging (FOWLP) and through-silicon via (TSV) applications.
• Printed Circuit Board (PCB) Fabrication: Employed in liquid photo-imageable solder masks (LPSM) and dry film photoresists for high-density interconnects (HDI).
• UV-Curable Coatings & Inks: Serves as a cationic photoinitiator for coatings, adhesives, and inks that cure upon exposure to UV light.
• 3D Printing (Stereolithography): Acts as a photoinitiator in resins for high-precision additive manufacturing.
• Optical Fiber Production: Used in the coating and marking processes for optical fibers.
• Microlens Array Fabrication: A component in photoresists for creating precise micro-optical elements.
• Research & Development: Serves as a reagent in academic and industrial R&D for developing next-generation photopolymer materials.

Basic Information

Product Name	Phenyl-[m-(2-Hydroxytetradecyloxy)Phenyl]Iodonium Hexafluoroantimonate
CAS No.	139301-14-7
Molecular Formula	C28H42F6IO2Sb
Molecular Weight	783.10 g/mol
Synonyms	PAG 290; (3-(2-Hydroxytetradecyloxy)phenyl)phenyliodonium hexafluoroantimonate; Iodonium, [3-(2-hydroxytetradecyloxy)phenyl]phenyl-, hexafluoroantimonate(1-); Photoacid Generator 290; Diphenyliodonium hexafluoroantimonate derivative; Iodonium salt photoinitiator; UV PAG; m-(2-Hydroxytetradecyloxy)phenyliodonium hexafluoroantimonate
EINECS	Contact for details

Quality Control

Our Phenyl-[m-(2-Hydroxytetradecyloxy)Phenyl]Iodonium Hexafluoroantimonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for demanding electronic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, impurity profile, and metal content. We adhere to relevant industry standards and can support customer audits and qualification processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption, which can affect performance. 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
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Specific Metals (ICP-MS)	Na, K, Ca, Fe, each ≤ 5 ppm

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