Introduction
Octaphenyl Cyclotetrasiloxane IOTA-AKT (CAS: 546-56-5) is a remarkable silicon-based organic compound with the molecular formula C48H40O4Si4. Structurally represented as [(C6H5)2SiO]4, this cyclic tetramer of diphenylsiloxane units is a white crystalline powder with a molecular weight of 793.18 g/mol. Its unique properties make it a valuable material in various industrial applications, from high-performance polymers to advanced coatings.
Key Physical and Chemical Properties
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Appearance and Purity: IOTA-AKT presents as white powder crystals, ensuring high purity levels (≥99.0%). This purity is critical for applications requiring precise chemical behavior.
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Thermal Stability: With a melting point of 203-205°C and a boiling point of 334°C, it demonstrates excellent thermal resistance. Its flash point of 200°C further underscores its safety in handling under controlled conditions.
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Solubility: Insoluble in water but soluble in common organic solvents, IOTA-AKT can be easily incorporated into formulations for coatings, resins, and elastomers.
Applications and Advantages
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High-Performance Polymers: IOTA-AKT enhances the thermal and mechanical properties of polymers, making them suitable for extreme conditions (e.g., aerospace, automotive).
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Advanced Coatings: Its insolubility in water and compatibility with solvents make it ideal for water-repellent and protective coatings, extending the lifespan of materials.
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Electronics: In semiconductor manufacturing, it serves as a precursor for low-k dielectric films, improving device performance.
Environmental and Safety Considerations
While IOTA-AKT offers significant advantages, its handling requires adherence to safety protocols due to potential hazards associated with organic solvents. Proper ventilation and protective equipment are essential during processing.
Octaphenyl cyclotetrasiloxane IOTA-AKT-IOTA
