4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate
[CAS# 71449-78-0]

Identification

• Classification: Organic raw materials >> Organometallic compound >> Organic scandium, tantalum, thallium, tungsten, antimony, lanthanum, lead, vanadium, molybdenum, chromium, ytterbium, etc.
• Name: 4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate
• Synonyms: Diphenyl[4-(phenylthio)phenyl]sulfonium hexafluoroantimonate; S,S-Diphenyl-S-4-thiophenoxyphenylsulfonium hexafluoroantimonate
• Molecular Formula: C₂₄H₁₉S₂^.SbF₆
• Molecular Weight: 607.27
• CAS Registry Number: 71449-78-0
• EC Number: 680-227-5
• SMILES: C1=CC=C(C=C1)SC2=CC=C(C=C2)[S+](C3=CC=CC=C3)C4=CC=CC=C4.F[Sb-](F)(F)(F)(F)F

Safety Data

• Hazard Symbols: GHS07;GHS09 Warning
• Hazard Statements: H302+H332-H302-H317-H332-H400-H410-H411
• Precautionary Statements: P261-P264-P270-P271-P272-P273-P280-P301+P317-P302+P352-P304+P340-P317-P321-P330-P333+P317-P362+P364-P391-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Skin sensitization	Skin Sens.	1A	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410

• Transport Information: UN 3467

Discovory and Applicatios

4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate, commonly referred to as 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate, is a sophisticated chemical compound with significant applications in the field of photoinitiation for polymerization processes. The substance is particularly notable for its role in the development of advanced materials and coatings due to its unique photochemical properties.

The discovery of 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate can be traced back to research focused on enhancing the efficiency of photoinitiators used in various industrial applications. Photoinitiators are compounds that absorb ultraviolet (UV) light and initiate polymerization reactions, which are crucial in processes such as printing, coatings, and the production of high-performance polymers. The introduction of this compound was part of an effort to develop more effective photoinitiators that offer better control and efficiency in polymerization reactions.

The chemical structure of 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate includes a sulfonium salt with a hexafluoroantimonate counterion, featuring thiophenyl and phenyl groups attached to the sulfonium center. This structure contributes to its high reactivity and efficiency as a photoinitiator. The presence of the thiophenyl group enhances the absorption of UV light, while the hexafluoroantimonate ion stabilizes the resulting reactive species, making the compound highly effective in initiating polymerization processes.

One of the primary applications of 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate is in the field of UV-curable coatings. These coatings are used in a variety of industrial applications, including the automotive, electronics, and printing industries. The compound's ability to initiate polymerization upon exposure to UV light makes it ideal for producing durable and high-quality coatings that cure rapidly and provide excellent performance characteristics.

In the printing industry, 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate is used in UV-curable inks. These inks are employed in high-speed printing processes where quick drying and curing are essential. The photoinitiator ensures that the inks polymerize efficiently under UV light, resulting in sharp, vibrant prints with excellent adhesion and durability.

Additionally, the compound is utilized in the production of various high-performance polymers and resins. Its effectiveness as a photoinitiator makes it valuable in manufacturing processes that require precise control over the polymerization reaction. This includes the production of specialty polymers used in advanced materials, such as those found in electronics, medical devices, and aerospace applications.

Research into 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate continues to explore its potential in new applications and formulations. Studies focus on optimizing its performance, improving its efficiency, and expanding its use in emerging technologies and industries.

In summary, 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate is a crucial compound in the field of photoinitiation for polymerization. Its discovery has significantly impacted industries that rely on UV-curable coatings, inks, and advanced polymers. The compound's unique chemical properties and applications make it a valuable tool in developing high-performance materials with enhanced characteristics.