Description

Phosphoric Acid 2-Methoxyethyldiphenyl Ester CAS NO 65444-10-2 is a specialized organophosphorus compound primarily used as a high-performance flame retardant and plasticizer. Its molecular structure provides excellent compatibility with various polymer matrices, enhancing material properties while meeting stringent fire safety regulations. This chemical is essential for manufacturers in the plastics, electronics, and construction industries seeking to improve the flame retardancy and processability of their products.

Application

• As a flame retardant plasticizer for flexible PVC, polyurethane foams, and synthetic rubbers.
• In the formulation of fire-resistant coatings and sealants for construction materials and cables.
• As a functional additive in engineering plastics and composites for electronic housings and automotive components.
• For enhancing the flame retardancy of adhesives, inks, and textile back-coatings.
• As a synergistic agent in halogen-free flame retardant systems.
• In specialty applications requiring low volatility and good thermal stability.

Basic Information

Product Name	Phosphoric Acid 2-Methoxyethyldiphenyl Ester
CAS No.	65444-10-2
Molecular Formula	C15H17O5P
Molecular Weight	308.26 g/mol
Synonyms	2-Methoxyethyl Diphenyl Phosphate; Diphenyl (2-Methoxyethyl) Phosphate; FR-DP; Phosflex 71B; Santicizer 141; Diphenyl 2-Methoxyethyl Phosphate; Phenyl (2-Methoxyethyl) Hydrogen Phosphate; Phosphoric Acid, (2-Methoxyethyl) Diphenyl Ester
EINECS	265-776-1

Quality Control

Our production of Phosphoric Acid 2-Methoxyethyldiphenyl Ester adheres to strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis, to ensure consistency and performance. Certificates of Analysis (COA) are provided with every shipment, and we support compliance with relevant global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Acidity (as H3PO4)	≤ 0.1 %
Water Content (KF)	≤ 0.1 %
Refractive Index (20°C)	1.505 - 1.515
Density (20°C)	1.20 - 1.25 g/cm³

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