Octaphenyl cyclotetrasiloxane, also known as IOTA-AKT, is a specialized organic compound with a unique CAS number of 546-56-5. Its molecular formula, C48H40O4Si4, depicts a complex yet well-defined structure consisting of silicon and phenyl groups arranged in a cyclic tetramer configuration, symbolized as [(C6H5)2SiO]4. This intricate structure contributes to its high molecular weight of 793.18 grams per mole. Physically, IOTA-AKT appears as a white powder crystal, boasting a purity level of at least 99.0%, ensuring high-quality performance in various applications. Its melting point ranges from 203°C to 205°C, while the boiling point stands at 334°C, indicative of its stability under moderate heating conditions. Furthermore, with a flash point of 200°C, proper handling precautions are essential to ensure safety. Solubility tests reveal that IOTA-AKT is insoluble in water but readily soluble in common chemical solvents, expanding its versatility in various chemical processes.
Octaphenyl cyclotetrasiloxane IOTA-AKT-IOTA (phenylsilicone.com)