Description

Tetrapropylammonium Hydroxide is a quaternary ammonium compound widely used as a versatile phase-transfer catalyst and strong organic base. Its significance lies in its ability to facilitate reactions between reagents in immiscible phases, enhancing reaction rates and yields in specialized organic syntheses. This chemical is essential for researchers and manufacturers in the pharmaceutical, fine chemical, and electronics industries, particularly for applications requiring a non-nucleophilic, bulky base. The product is commercially available in various solution concentrations, typically in water or methanol.

Application

• As a phase-transfer catalyst (PTC) in organic synthesis for alkylation, esterification, and oxidation reactions.
• Key reagent in the preparation of zeolites and molecular sieves, serving as a structure-directing agent (template).
• Used as an electrolyte component and supporting electrolyte in electrochemical applications and sensors.
• Employed in analytical chemistry as an ion-pairing agent in High-Performance Liquid Chromatography (HPLC).
• Catalyst in the synthesis of fine chemicals and pharmaceutical intermediates.
• Base in reactions requiring strong, non-nucleophilic conditions where metal alkoxides are unsuitable.

Basic Information

Product Name	Tetrapropylammonium Hydroxide
CAS No.	4499-86-9
Molecular Formula	C12H29NO
Molecular Weight	203.37 g/mol
Synonyms	Tetrapropylammonium hydroxide; TPAOH; N,N,N-Tripropylpropan-1-aminium hydroxide; Propylamine, N,N,N-tripropyl-, hydroxide (1:1); Tetra-n-propylammonium hydroxide; 1-Propanaminium, N,N,N-tripropyl-, hydroxide
EINECS	Contact for details

Quality Control

Our Tetrapropylammonium Hydroxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, concentration, and impurity profiles. Certificates of Analysis (COA) detailing results for assay, identity, and key impurities are provided with every shipment. We are committed to supplying material suitable for research and industrial applications, with consistency and reliability as our core priorities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide, which can degrade the solution. Keep away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow solution
Identification (IR)	Conforms
Assay (Titration)	40% w/w in H2O (Typical, other concentrations available)
Purity (HPLC)	≥ 98.0% (on anhydrous basis)
Chloride (Cl)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.