Description

Phenyltrimethylammonium Hydroxide is a quaternary ammonium compound widely used as a strong organic base and phase-transfer catalyst. This versatile reagent is critical for driving high-yield reactions in controlled environments where inorganic bases are unsuitable. It is an essential material for research and production in the pharmaceutical, agrochemical, and advanced material sectors, particularly for applications requiring a non-nucleophilic, soluble base in organic synthesis.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in alkylation and esterification processes.
• Organic Synthesis Reagent: Serves as a strong, non-nucleophilic base in deprotonation and condensation reactions for constructing complex molecular frameworks.
• HPLC Analysis: Used as an ion-pairing agent or mobile phase modifier in the chromatographic analysis of acidic compounds.
• Polymer Chemistry: Acts as a catalyst or initiator in the production of specific polymers and epoxy curing agents.
• Electronics Industry: Employed in the manufacturing process of semiconductors and liquid crystal displays (LCDs).
• Biochemical Research: Utilized in buffer systems and as a reagent for modifying biomolecules in analytical procedures.

Basic Information

Product Name	Phenyltrimethylammonium Hydroxide
CAS No.	1899-02-1
Molecular Formula	C9H15NO
Molecular Weight	153.22 g/mol
Synonyms	PTAH; Phenyltrimethylammonium Hydroxide Solution; N,N,N-Trimethylanilinium Hydroxide; TMAH (Phenyl); Trimethylphenylammonium Hydroxide; Aniline, N,N,N-trimethyl-, hydroxide; Benzenaminium, N,N,N-trimethyl-, hydroxide
EINECS	217-593-8

Quality Control

Our Phenyltrimethylammonium Hydroxide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, concentration, and impurity profiles. A Certificate of Analysis (COA) detailing the results of tests such as assay, water content, and heavy metals is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide, which can degrade the product. Recommended storage temperature is 2-8°C for solutions to maximize stability.

Specification

Item	Specification
Appearance (Solution)	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 20% in water or methanol (or as specified)
Water Content (KF)	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Chloride (Cl)	< 50 ppm

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