Description

[2-[2-(2-Methoxyethoxy)Ethoxy]Ethyl]Phosphonic Acid is a specialized organophosphorus compound featuring a hydrophilic oligo(ethylene glycol) chain, making it a valuable functional monomer and surface modifier. This unique structure provides excellent water solubility and chelating properties, which are critical for advanced material synthesis and surface engineering applications. It is primarily sought by R&D and production teams in the specialty chemical, polymer, and electronics industries for creating functional materials with tailored surface characteristics.

Application

• Functional Monomer for Polymers: Used in the synthesis of specialty polymers, including scale inhibitors, dispersants, and water treatment agents, where its phosphonic acid group provides strong metal-binding capacity.
• Surface Modification Agent: Acts as a coupling agent or self-assembled monolayer (SAM) precursor to modify the surface properties of metals (e.g., steel, aluminum) and metal oxides (e.g., TiO2, SiO2), enhancing corrosion resistance, adhesion, or biocompatibility.
• Chelating Agent & Additive: Serves as a high-performance chelating agent in industrial cleaning formulations, detergents, and as an additive in cooling water systems to control scale and corrosion.
• Intermediate for Advanced Materials: A key building block in the production of advanced materials for electronics, such as in the formulation of conductive polymers or as a component in photoresists.
• Bioconjugation & Pharmaceutical Intermediate: Its reactive phosphonic acid and terminal hydroxyl groups make it suitable for bioconjugation chemistry and as an intermediate in pharmaceutical research.

Basic Information

Product Name	[2-[2-(2-Methoxyethoxy)Ethoxy]Ethyl]Phosphonic Acid
CAS No.	96962-42-4
Molecular Formula	C9H21O7P
Molecular Weight	272.23 g/mol
Synonyms	2-[2-(2-Methoxyethoxy)ethoxy]ethylphosphonic acid; (2-{2-[2-(Methoxy)ethoxy]ethoxy}ethyl)phosphonic acid; Triethylene glycol monomethyl ether phosphonic acid; PEG3 methyl ether phosphonic acid; mPEG3-phosphonic acid; Phosphonic acid, P-[2-[2-(2-methoxyethoxy)ethoxy]ethyl]-; O,O'-Bis(2-hydroxyethyl)-N-(phosphonomethyl)iminodiacetic acid (related compound); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our [2-[2-(2-Methoxyethoxy)Ethoxy]Ethyl]Phosphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0

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