Tetrabutylphosphonium Hydroxide
Tetrabutylphosphonium hydroxide (TBPH; CAS 14518-69-5) is a quaternary phosphonium hydroxide and strong organic base. commercial material is commonly supplied in water. This record specifies a 40–44 wt.% aqueous solution and describes it as a clear, colorless to almost colorless liquid.
Reported chemical roles include use as a strong base in selected organic synthesis and as a phase-transfer reagent in biphasic reaction systems; it can also serve as a source of tetrabutylphosphonium salts through acid-base neutralization.
– Phase-transfer applications:TBPH as a phase-transfer catalyst/base used to help connect ionic and organic reactants in biphasic chemical systems. Treat this as a reported specialty-process role, not a guarantee for every substrate; establish suitability from validated literature or supplier documentation for the specific system.
– Organic synthesis: Its strong basicity supports selected industrial or research reactions where a quaternary phosphonium hydroxide is an appropriate base. The product is typically sold as an aqueous solution, so the stated 40–44 wt.% assay and water contribution matter to material specification and interpretation of process data.
– Phosphonium-salt preparation: Neutralization can convert the hydroxide into corresponding tetrabutylphosphonium salts, including specialty-material or ionic-liquid intermediates. This is a chemical-intermediate use only; confirm the intended salt identity, purity requirements, and legal disposition rather than assuming suitability for a downstream regulated product.
Product Name: Tetrabutylphosphonium Hydroxide
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