Tetrapropylammonium Hydroxide

Basic Information of Tetrapropylammonium Hydroxide

CAS No.:	4499-86-9
EC No.:	224-800-6
Linear Formula:	C₁₂H₂₉NO
Molecular Weight:	203.37
Appearance:	Clear to yellowish aqueous or methanolic solution.
Boiling Point:	100-102 °C
Density:	1.00 g/mL at 20 °C
Solubility:	Highly soluble in water and alcohols.
Concentration:	Available in various concentrations (e.g., 10%, 20%, 40% in water or methanol).
Stability:	Stable under recommended storage conditions; sensitive to carbon dioxide from air.
Purity:	High purity grades available for sensitive applications.
Chemical Structure:

Our commitment to delivering high-purity TPAH ensures a reliable and efficient component for your critical processes, offering consistent quality for diverse synthetic and material science applications.

Primary Applications of Tetrapropylammonium Hydroxide (TPAH)

Tetrapropylammonium Hydroxide's properties as a strong base and a bulky cation make it invaluable in a wide range of applications:

1. Structure-Directing Agent (SDA) in Zeolite Synthesis:

   TPAH is one of the most widely used structure-directing agents or templates in the hydrothermal synthesis of various zeolites (e.g., ZSM-5, Beta, Silicalite-1) and other porous materials. It plays a crucial role in directing the formation of specific framework structures and controlling pore dimensions.

2. Strong Organic Base and Catalyst:

   As a strong, non-nucleophilic organic base, TPAH is employed as a catalyst or reagent in numerous organic reactions, including condensation reactions, esterifications, polymerizations, and dehydrohalogenations, especially where inorganic bases might interfere or cause side reactions.

3. Electrolyte in Electrochemical Applications:

   TPAH is utilized as a supporting electrolyte in various electrochemical studies and processes, particularly in non-aqueous solvents, due to its high ionic conductivity and stability over a wide potential range.

4. Precursor for Specialty Chemicals:

   It serves as a key precursor in the synthesis of other specialized quaternary ammonium compounds and derivatives, which find applications as phase-transfer catalysts, surfactants, and antimicrobial agents.

5. High-Purity Material Production:

   In the electronics industry and other high-tech sectors, TPAH is used in the production of high-purity materials, including certain metal oxides and thin films, where precise control over pH and cation presence is required.

6. Etchant in Semiconductor Manufacturing:

   In some semiconductor fabrication processes, TPAH solutions can be used as a selective etching agent for silicon and other materials.

• Exceptional Purity & Consistent Quality: Our Tetrapropylammonium Hydroxide is manufactured to stringent purity and concentration specifications, crucial for achieving optimal results in sensitive zeolite synthesis, catalytic reactions, and electrochemical processes.

• Expert Technical Support: Our dedicated team of specialists is readily available to offer comprehensive guidance on product application, handling, storage, and optimal usage in your specific chemical processes, ensuring safety and efficiency.

• Commitment to Quality & Responsible Stewardship: We adhere to the highest industry standards for quality management, environmental responsibility, and product stewardship across all our operations, ensuring peace of mind for our clients and sustainable sourcing practices.

• Customized Solutions: We understand that different applications may require specific concentrations or purity levels. We are open to discussing customized solutions to meet your exact requirements.