Bis (2,4-dicumylphenyl) pentaerythritol diphosphite(CAS: 154862-43-8)

3,9-Bis[2,4-bis(2-phenyl-2-propanyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS: 154862-43-8) is a crystalline compound with a molecular weight of approximately 1150 g/mol. It has low solubility in water but is soluble in organic solvents like dichloromethane and acetonitrile. The compound exhibits moderate reactivity with hydroxyl groups, making it suitable for certain chemical reactions. It also shows stability in neutral to slightly acidic conditions.

3,9-Bis[2,4-bis(2-phenyl-2-propanyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS: 154862-43-8) is synthesized through a multi-step process involving the reaction of diethyl 2,4-bis(2-phenyl-2-propanyl)phenoxyphosphonates with diisopropyl azodicarboxylate (DIAD). The reaction is typically performed in the presence of a base such as triphenylphosphine and is carried out at room temperature. The overall yield is usually between 70-80%.

3,9-Bis[2,4-bis(2-phenyl-2-propanyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS: 154862-43-8) is primarily used in the pharmaceutical industry as a precursor for drug synthesis. It is also utilized in the development of polymers, sensors, and semiconductors due to its unique chemical structure and reactivity.

When handling 3,9-Bis[2,4-bis(2-phenyl-2-propanyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS: 154862-43-8), use appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work in a well-ventilated area or fume hood to minimize exposure. Store the compound in a cool, dry place away from heat sources. In case of a spill, neutralize with a suitable agent before cleaning up, and follow standard laboratory safety procedures. Refer to the Safety Data Sheet (SDS) for detailed information and emergency response procedures.