Description

Phosphonic Acid, [[(2-Hydroxyethyl)Methylamino]Methyl]- (9Ci) CAS NO 748736-22-3 is a specialized organophosphorus compound featuring a unique amino-hydroxyethyl functional group. This molecular structure makes it a valuable intermediate and functional additive, particularly in applications requiring metal chelation, scale inhibition, and surface modification. It is primarily sought by manufacturers in the water treatment, polymer, and specialty chemical synthesis industries. Its functional groups offer reactivity useful for creating complexants, corrosion inhibitors, and tailored chemical building blocks.

Application

• Water Treatment Formulations: Acts as a high-performance scale and corrosion inhibitor in industrial cooling and boiler water systems.
• Polymer Additive: Serves as a stabilizer, chelating agent, or functional monomer in the production of specialty polymers and resins.
• Chemical Synthesis Intermediate: Used as a key building block for synthesizing more complex phosphonate derivatives, pharmaceuticals, and agrochemicals.
• Metal Surface Treatment: Functions in formulations for metal cleaning, plating, and as a component in corrosion-resistant coatings.
• Detergent & Cleaning Agents: Incorporated into industrial and institutional cleaning products for its sequestering and anti-redeposition properties.
• Oilfield Chemicals: Utilized in scale control formulations for oil and gas production to prevent mineral deposits in wells and equipment.

Basic Information

Product Name	Phosphonic Acid, [[(2-Hydroxyethyl)Methylamino]Methyl]- (9Ci)
CAS No.	748736-22-3
Molecular Formula	C5H14NO4P
Molecular Weight	183.14 g/mol
Synonyms	[[(2-Hydroxyethyl)methylamino]methyl]phosphonic acid; (Hydroxyethyl)(methyl)aminomethylphosphonic acid; N-Methyl-N-(phosphonomethyl)ethanolamine; Amino tris(methylene phosphonic acid) derivative; ATMP derivative; Phosphonomethylated N-methylethanolamine; N-Methyl-N-(2-hydroxyethyl)aminomethylphosphonic acid; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, [[(2-Hydroxyethyl)Methylamino]Methyl]- adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay, impurity profiling, and physical characterization, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% solution)	2.0 - 4.0
Density (20°C)	~1.30 g/cm³

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