Bis(4-tert-butylphenyl)iodonium hexafluorophosphate
Bis(4-tert-butylphenyl)iodonium hexafluorophosphate (CAS 61358-25-6, C20H26F6IP) is a diaryliodonium salt with a molecular weight of 538.29 g/mol. This compound serves as a valuable reagent in organic synthesis, particularly in photopolymerization and as a photoinitiator for cationic polymerization processes. Its applications extend to the fields of materials science and electronics, contributing to the development of advanced materials and microelectronic components. TSS supplies this chemical with a minimum purity of 97.5%.

Photoinitiator for Cationic Polymerization
Bis(4-tert-butylphenyl)iodonium hexafluorophosphate is widely employed as a photoinitiator for the cationic polymerization of epoxides, vinyl ethers, and other monomers. Upon UV irradiation, it generates strong acids that initiate the polymerization process, enabling rapid curing of resins and coatings.
Organic Synthesis Reagent
In organic synthesis, this iodonium salt can be utilised in various coupling reactions and functional group transformations. Its ability to transfer the tert-butylphenyl group makes it a useful intermediate for the construction of complex organic molecules.
Materials Science Applications
The compound finds utility in materials science for developing advanced polymeric materials. Its photochemical properties are leveraged in applications such as photolithography and the fabrication of microelectronic devices, contributing to innovations in material design.
| Molecular weight | 538.29 |
|---|---|
| Empirical formula | C20H26F6IP |
| Assay | ≥97.5% (TLC)98% |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 1759 8 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 hexafluorophosphate used for?
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This compound is primarily used as a photoinitiator for cationic polymerization and in various organic synthesis applications, including materials science and micro/nanoelectronics.
What are the CAS number and chemical formula?
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The CAS number is 61358-25-6 and the chemical formula is C20H26F6IP.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(4-tert-butylphenyl)iodonium hexafluorophosphate with a minimum purity of 97.5% (TLC) or 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should this chemical be handled safely?
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This compound is dangerous and causes severe skin burns and eye damage (H314). Always wear appropriate protective equipment, including gloves, eye protection, and protective clothing. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing. In case of contact, rinse immediately with plenty of water and seek medical attention.
How is Bis(4-tert-butylphenyl)iodonium hexafluorophosphate packed and shipped?
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TSS offers this chemical for export globally. Packaging is designed to ensure safe transport in compliance with international regulations. Please contact us for specific shipping and handling information.
How can I request a sample or quote?
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To request a sample or a quote for Bis(4-tert-butylphenyl)iodonium hexafluorophosphate, please visit our website or contact our sales team directly with your requirements.
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