NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing comprehensive information on the chemical intermediates we supply. Today, we focus on Tetrapropylammonium Hydroxide (TPAH), CAS 4499-86-9, an important compound with distinct physical and chemical properties that dictate its wide-ranging applications. Understanding these tetrapropylammonium hydroxide properties is crucial for its effective and safe utilization in various industrial and research settings.

Physically, Tetrapropylammonium Hydroxide is typically supplied as a colorless to light yellow liquid. This liquid form, often an aqueous solution with concentrations commonly around 25% or 40%, simplifies handling and dispensing in many industrial processes. Its appearance is characterized by clarity, with no visible impurities, a testament to its high purity standards that NINGBO INNO PHARMCHEM CO.,LTD. upholds. The specific gravity is around 1.012, and it is miscible with water and other polar solvents, which is advantageous for its use in aqueous reaction systems or cleaning solutions.

Chemically, TPAH is a strong base due to the presence of the hydroxide ion. This alkalinity contributes to its utility in various chemical reactions, including its role as a phase transfer catalyst and its use in chemical titrations. As a quaternary ammonium compound, it possesses a positively charged nitrogen atom bonded to four propyl groups. This molecular structure is key to its functionality, particularly in its role as a structure directing agent (SDA) for the synthesis of zeolites and molecular sieves. The bulky nature of the tetrapropyl groups influences the crystallization process, dictating the pore size and framework of the resulting zeolite structure. The exploration of tetrapropylammonium hydroxide applications in zeolite synthesis heavily relies on understanding these structural influences.

Safety considerations are paramount when handling Tetrapropylammonium Hydroxide. Due to its corrosive nature, it can cause severe skin burns and eye damage. Therefore, appropriate personal protective equipment (PPE), such as gloves, eye protection, and protective clothing, must be worn when handling this chemical. It is also sensitive to air and should be stored in a sheltered, dry, and dark place to maintain its stability and prevent degradation. Proper ventilation is essential when working with TPAH to avoid inhalation of any vapors.

The chemical reactivity of TPAH also means it can act as an ion exchange agent and is used in specific analytical procedures like titration. Its application in the semiconductor industry for post-CMP cleaning further highlights its importance, requiring very high purity grades to avoid contamination. The consistent quality and well-defined tetrapropylammonium hydroxide properties provided by NINGBO INNO PHARMCHEM CO.,LTD. ensure reliable performance in these demanding applications.

In summary, Tetrapropylammonium Hydroxide (CAS 4499-86-9) is characterized by its liquid form, strong basicity, and unique molecular structure. These properties underpin its critical roles in zeolite synthesis, phase transfer catalysis, and specialized industrial cleaning. By understanding these fundamental characteristics, users can confidently and safely leverage the benefits of this versatile chemical intermediate.