Bis(4-tert-butylphenyl)iodonium perfluoro-1-butanesulfonate
Bis(4-tert-butylphenyl)iodonium perfluoro-1-butanesulfonate (CAS: 194999-85-4), with the molecular formula [(CH3)3CC6H4]2IC4F9SO3, is a high-purity electronic grade chemical. This organic photoinitiator and photoacid generator is essential for advanced photolithography and polymerisation processes. Its ability to generate acids upon UV exposure makes it a critical component in the formulation of photoresists for micro- and nanoelectronics manufacturing.
![Bis(4-tert-butylphenyl)iodonium perfluoro-1-butanesulfonate ([(CH3)3CC6H4]2IC4F9SO3) — chemical structure, CAS 194999-85-4; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F194999-85-4.png&w=3840&q=75)
Cationic Photoinitiator
Utilised in UV-curable formulations, this compound initiates cationic polymerisation upon exposure to UV light. It is particularly effective in applications requiring rapid curing and high performance.
Photoacid Generator (PAG)
As a PAG, it generates strong acids upon irradiation, enabling its use in advanced photolithography for microelectronics. The generated acid catalyses chemical transformations within photoresist materials.
Polymer Science
This chemical serves as a reagent for polymerisation, contributing to the synthesis of novel polymers. It finds applications in materials science and the development of advanced polymer materials.
Micro/Nanoelectronics
Its high purity and specific photochemical properties make it suitable for fabrication processes in micro- and nanoelectronics, including the creation of intricate circuit patterns.
| Molecular weight | 692.42 |
|---|---|
| Linear formula | [(CH3)3CC6H4]2IC4F9SO3 |
| Assay | ≥99% |
| Grade | electronic grade |
| Solubility | PGMEA: ~40%ethyl lactate: ~55%γ-butyrolactone: ~65% |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 175-177 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Bis(4-tert-butylphenyl)iodonium perfluoro-1-butanesulfonate used for?
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This compound is primarily used as a cationic photoinitiator and a photoacid generator (PAG) in UV-curable formulations and photolithography for microelectronics.
What is the CAS number and molecular formula?
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The CAS number is 194999-85-4 and the molecular formula is [(CH3)3CC6H4]2IC4F9SO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical in electronic grade with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.
How should Bis(4-tert-butylphenyl)iodonium perfluoro-1-butanesulfonate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust, ensure good ventilation, and wash hands thoroughly after handling. It is classified as a warning substance (GHS07) with H315, H319, and H335 hazard statements.
How is this chemical typically packed, shipped, and exported?
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Tech Serve Solutions carefully packs and prepares this chemical for secure shipment and export, adhering to all relevant regulations for chemical transport.
How can I request a sample or a quote for this product?
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Please contact our sales team directly via our website or by phone to request a sample or a formal quotation.
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