Description

(2-Hydroxypropyl)Trimethylammonium is a quaternary ammonium compound with a reactive hydroxyl group, offering a unique combination of cationic and hydrophilic properties. This dual functionality makes it a valuable intermediate for synthesizing specialty surfactants, phase transfer catalysts, and functional polymers. It is particularly sought after by manufacturers in the personal care, textile, and pharmaceutical industries for creating conditioning agents, antistatic coatings, and novel drug delivery systems.

Application

• Surfactant & Conditioner Synthesis: A key building block for manufacturing cationic surfactants used in hair conditioners, fabric softeners, and skin care products for their excellent substantivity and conditioning effects.
• Polymer Modification: Used as a monomer or grafting agent to introduce permanent cationic charges into polymers, enhancing properties like dye affinity for textiles or flocculation efficiency in water treatment.
• Phase Transfer Catalyst (PTC): Serves as an effective catalyst in organic synthesis reactions where reactants are in immiscible phases, facilitating nucleophilic substitution and other key industrial reactions.
• Pharmaceutical Intermediates: Employed in the synthesis of choline analogs, betaine derivatives, and other active pharmaceutical ingredients (APIs) with targeted biological activity.
• Antistatic Agent Production: A precursor for compounds applied to synthetic fibers, plastics, and films to dissipate static electricity and prevent dust accumulation.
• Biocide & Preservative Formulations: The quaternary ammonium structure contributes to antimicrobial activity, making it useful in developing disinfectants and preservatives for industrial and institutional applications.

Basic Information

Product Name	(2-Hydroxypropyl)Trimethylammonium
CAS No.	7562-87-0
Molecular Formula	C6H16NO+ (typically as a salt, e.g., chloride)
Molecular Weight	118.20 g/mol (for the cation)
Synonyms	2-Hydroxypropyltrimethylammonium; (2-Hydroxypropyl)trimethylazanium; Choline isopropanol analog; 1-Hydroxy-2-propyltrimethylammonium; Trimethyl(2-hydroxypropyl)ammonium; Hydroxypropyltrimethylammonium hydroxide; HPTMA; 2-(Trimethylammonio)propan-1-ol
EINECS	231-449-2

Quality Control

Our (2-Hydroxypropyl)Trimethylammonium is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by titration, identification by FT-IR, and determination of key impurities, to ensure it meets precise specifications for industrial and fine chemical synthesis. A Certificate of Analysis (COA) documenting purity, physical properties, and safety data is provided with every shipment to guarantee traceability and consistency for your critical processes.

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). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (as cation)	≥ 95.0%
Water Content (KF)	≤ 3.0%
pH (10% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 10 ppm

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