Description
Specifications Table
Product Name – Tri-tert-butylphosphonium tetrafluoroborate
Quantity/Pack Size – 1GR, 5GR
Form – Solid (Powder/Crystalline)
Grade – 97%+
Application – Organic synthesis, phase-transfer catalysis, ionic liquids
Product Overview
Tri-tert-butylphosphonium tetrafluoroborate is a high-purity phosphonium salt with exceptional stability and reactivity, making it a critical reagent in advanced organic synthesis. With a minimum purity of 97%, this compound is widely used as a phase-transfer catalyst, enabling efficient reactions in biphasic systems by facilitating ion transfer between aqueous and organic phases. Its bulky tert-butyl groups enhance solubility in non-polar solvents while maintaining strong nucleophilic properties, ideal for alkylation, substitution, and condensation reactions. The tetrafluoroborate counterion provides excellent thermal and chemical stability, reducing decomposition risks during prolonged reactions. This reagent is also valuable in the preparation of ionic liquids, where its low volatility and tunable properties contribute to green chemistry applications. The solid form ensures easy handling, precise weighing, and long-term storage stability under inert conditions. Researchers and chemists rely on its consistent performance in demanding synthetic routes, particularly in pharmaceutical intermediates, agrochemicals, and specialty chemical manufacturing. The high grade guarantees minimal impurities, reducing side reactions and improving yield consistency in sensitive applications.
FAQs
1. What is the shelf life of tri-tert-butylphosphonium tetrafluoroborate when stored properly?
When stored in a cool, dry place under inert gas (argon/nitrogen) and sealed tightly, this reagent remains stable for at least 24 months from the date of manufacture. Avoid exposure to moisture or air to prevent degradation of the tetrafluoroborate anion.
2. Is this phosphonium salt compatible with common organic solvents like THF or dichloromethane?
Yes, tri-tert-butylphosphonium tetrafluoroborate is highly soluble in polar aprotic solvents such as THF, dichloromethane, and acetonitrile. Its solubility profile makes it suitable for homogeneous catalysis and ionic liquid formulations.
3. Can this be used as a substitute for other phosphonium salts like tetraphenylphosphonium bromide?
While both are phosphonium salts, tri-tert-butylphosphonium tetrafluoroborate offers distinct advantages, including higher solubility in non-polar solvents and better thermal stability due to the tert-butyl groups. However, reactivity may vary based on the specific application, so pilot testing is recommended.
4. What precautions should be taken during handling to avoid contamination?
Handle under a fume hood or glove box using dry, inert conditions. Use moisture-free glassware and avoid metallic spatulas to prevent cation exchange. Store in amber glass bottles to minimize light exposure.
5. Does this compound require any special disposal methods?
Follow standard laboratory protocols for phosphonium salt disposal. Neutralize with a mild base if necessary, then dispose of as hazardous chemical waste according to local environmental regulations. Avoid incineration due to fluorine content.
