[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is an organosulfur compound with the molecular formula C36H28F12P2S3 and CAS number 74227-35-3. This chemical substance has a molecular weight of 846.7 g/mol and contains multiple diphenylsulfanium groups linked through sulfur bridges, with hexafluorophosphate counterions providing charge balance in its crystalline structure.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is a solid compound at room temperature with a molecular weight of 846.7 g/mol. As an ionic compound containing hexafluorophosphate anions, it typically exhibits limited water solubility but may dissolve in polar organic solvents. The presence of multiple aromatic rings and sulfur centers contributes to its stability and distinctive chemical behavior in various reaction conditions.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is primarily used as a photoinitiator in polymer chemistry and UV-curing applications. Its sulfonium salt structure makes it effective for initiating cationic polymerization processes under light exposure. The compound finds applications in coatings, adhesives, and specialty polymer manufacturing where controlled polymerization initiation is required for producing high-performance materials.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate should be handled with appropriate personal protective equipment including safety glasses, gloves, and protective clothing. The compound is classified as Eye Irritant Category 2 and Skin Sensitizer Category 1, requiring careful handling to avoid direct contact. Work in well-ventilated areas, avoid dust formation, and wash hands thoroughly after handling to prevent sensitization reactions.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate should be stored in a cool, dry place away from light sources to prevent premature activation. Keep containers tightly closed and protect from moisture and heat. Store separately from incompatible materials such as strong oxidizers and bases. Maintain storage temperatures below 25°C and ensure proper ventilation in storage areas to prevent accumulation of any potential vapors.

In case of eye contact with [4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. If irritation persists or allergic reactions develop, consult a physician immediately. Remove person to fresh air if inhalation occurs and seek medical attention if symptoms develop.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate must be disposed of as hazardous waste according to local and national regulations. Due to its aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1), prevent release to waterways and soil. Contact licensed waste disposal companies for proper treatment and disposal. Do not discharge to sewers or environment. Follow all applicable waste management regulations and maintain disposal documentation.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation. Use appropriate packaging that meets UN specifications and ensure proper labeling with hazard markings. Transport vehicles must comply with ADR requirements including proper documentation, emergency procedures, and driver training. Avoid exposure to heat, light, and mechanical shock during transport to maintain product stability.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is subject to REACH regulation requiring registration for import/manufacture in quantities above 1 tonne annually. The substance is classified under CLP regulation with harmonized hazard classifications including eye irritation and skin sensitization. It is not currently listed as an SVHC substance. Users must comply with safety data sheet requirements and implement appropriate risk management measures according to European chemical legislation.

[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium dihexafluorophosphate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this photoinitiator compound with full regulatory compliance including safety data sheets and proper packaging for industrial customers across Europe. Contact OYSI's technical sales team for availability, specifications, and delivery options tailored to your specific application requirements and quantities needed.