Description

Phosphoric Acid, Methyl Ester, Sodium Salt is an organophosphorus compound with the CAS registry number 90605-11-1. This specialty chemical serves as a versatile intermediate and functional additive, valued for its ionic and surface-active properties derived from its unique structure. It is essential for manufacturers in sectors requiring precise chemical modification, such as specialty polymers, advanced material synthesis, and performance chemical formulations.

Application

• Polymer & Resin Modification: Acts as a reactive monomer or additive to impart flame retardancy, adhesion promotion, or ionic character to polymers.
• Surfactant & Detergent Formulations: Used as a component in specialized surfactant systems for industrial cleaning, emulsion stabilization, or wetting agents.
• Corrosion Inhibition: Functions as a component in advanced corrosion inhibitor packages for metal treatment and cooling water systems.
• Pharmaceutical & AgroChemical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and specialized agrochemicals.
• Textile & Leather Processing: Employed as a processing aid, dyeing auxiliary, or finishing agent to enhance material properties.
• Electroplating & Metal Finishing: Used in electroplating baths and surface treatment solutions for improved coating quality and performance.

Basic Information

Product Name	Phosphoric Acid, Methyl Ester, Sodium Salt
CAS No.	90605-11-1
Molecular Formula	C H6NaO4P
Molecular Weight	148.02 g/mol
Synonyms	Methylphosphonic Acid, Sodium Salt; Sodium Methyl Phosphonate; Sodium Methylphosphonate; Methylphosphonate Sodium Salt; Phosphonomethyl Sodium Salt; Monosodium Methylphosphonate; (Methylphosphonato-O)sodium; NSC 241241
EINECS	Contact for details

Quality Control

Our Phosphoric Acid, Methyl Ester, Sodium Salt is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the required specifications. A Certificate of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee supply reliability and product integrity 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); containers must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 2.0 %
pH (5% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm

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