CAS 4499-86-9 Tetrapropylammonium hydroxide-Professional supplier
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Specification of Tetrapropylammonium hydroxide
| Item | Specifications |
| Appearance | Colorless transparent liquid |
| Assay (%) | 25±0.5 |
| Carbonate (%) | ≤0.1 |
| Bromine(ppm) | ≤100 |
| K(ppm) | ≤5 |
| Na (ppm) | ≤5 |
| APHA colour | ≤20 |
Basic information of Tetrapropylammonium hydroxide
CAS: 4499-86-9
Standard:Technical grade
Model:SC-ZX
Production capacity:100MT/month
Loading port: Shanghai
Synonyms: Tetrapropyl ammonium hydroxide
MF: C12H29NO
Usage of Tetrapropylammonium hydroxide
1. Zeolite & Molecular Sieve Synthesis
It is widely used as a structure-directing agent (SDA) for the hydrothermal synthesis of zeolites, most notably Zeolite ZSM-5 and TS-1. It controls the crystal structure, pore size, and morphology of these porous materials, which are critical catalysts for petrochemical refining and fine chemical production.
2. Phase Transfer Catalyst (PTC)
As a quaternary ammonium salt, it acts as a phase transfer catalyst in various organic reactions, promoting the transfer of reactants between immiscible phases (aqueous/organic). This improves reaction rates and yields in methylation, alkylation, and other synthetic processes, including the modification of pharmaceutical intermediates and fine chemicals.
3. Semiconductor & Electronics Manufacturing
High-purity TPAOH solutions are used in photolithography and cleaning processes for semiconductors and thin-film transistors (TFTs). Its controlled alkalinity enables precise etching and cleaning of silicon wafers, making it essential for producing advanced microelectronic devices.
4. Analytical Chemistry & Laboratory Use
It serves as a pH adjuster, titration reagent, and polarographic reagent in analytical labs, particularly for ion chromatography and environmental analysis (e.g., methylation of phenoxy acids in soil/water samples).
5. Polymer & Material Science
It is used as a polymerization catalyst for silicone rubbers and other organosilicon polymers. It also acts as an electrolyte additive in advanced batteries (e.g., aqueous zinc-ion batteries) to suppress dendrite growth and improve cycle stability.
6. Other Industrial Uses
It functions as a surfactant modifier, antistatic agent, and emulsifier in textile and paper processing, as well as a cleaning agent in industrial applications requiring strong yet controlled alkalinity.
Package Of Tetrapropylammonium hydroxide
200kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
