Description

(2-Hydroxyethyl)Trimethylammonium Dimethylphosphate is a quaternary ammonium salt with a phosphate ester counterion, offering a unique combination of cationic and anionic functionality. This compound is valued for its ionic liquid properties and its role as a versatile intermediate in specialty chemical synthesis. It is primarily sought by manufacturers in the agrochemical, pharmaceutical, and personal care industries for formulating biocides, phase transfer catalysts, and conditioning agents.

Application

• Agrochemical Intermediates: Used in the synthesis of cationic surfactants and emulsifiers for pesticide and herbicide formulations.
• Biocide and Preservative Synthesis: Serves as a key building block for quaternary ammonium compounds (Quats) with antimicrobial properties.
• Phase Transfer Catalysis (PTC): Acts as an effective catalyst in organic synthesis reactions between immiscible phases.
• Personal Care Products: Employed as a conditioning agent and antistatic component in hair care and skincare formulations.
• Textile and Fiber Treatment: Functions as a softener and antistatic agent for synthetic and natural fibers.
• Ionic Liquid Research: Investigated for applications in green chemistry, electrolytes, and separation processes due to its tunable properties.
• Paper and Pulp Chemicals: Utilized in retention aids and as a softening agent in paper manufacturing.
• Water Treatment Additives: Incorporated into formulations for corrosion inhibition and scale control.

Basic Information

Product Name	(2-Hydroxyethyl)Trimethylammonium Dimethylphosphate
CAS No.	118978-98-6
Molecular Formula	C7H20NO5P
Molecular Weight	229.21 g/mol
Synonyms	Choline dimethylphosphate; 2-Hydroxy-N,N,N-trimethylethanaminium dimethyl phosphate; Ethanol, 2-(trimethylammonio)-, dimethyl phosphate (salt); Dimethyl phosphate choline salt; (2-Hydroxyethyl)trimethylammonium dimethyl phosphate; Choline phosphate dimethyl ester; N,N,N-Trimethyl-2-hydroxyethylammonium dimethyl phosphate
EINECS	Contact for details

Quality Control

Our (2-Hydroxyethyl)Trimethylammonium Dimethylphosphate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, moisture content, and impurity profiles. Our quality commitment supports compliance with relevant industry standards for intermediate and specialty chemical applications.

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 viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
pH (10% solution)	5.0 - 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.