Description

Diphenyl Methyl Phosphate is an organophosphorus compound widely utilized as a versatile chemical intermediate and additive. Its primary value lies in its role as a flame retardant synergist and a plasticizer, enhancing the performance and safety of polymer materials. This product is essential for manufacturers in the plastics, electronics, and specialty chemical industries seeking to improve material properties and meet regulatory standards for fire safety.

Application

• Flame Retardant Synergist: Used in combination with halogenated flame retardants in engineering plastics, epoxy resins, and polyurethane foams to enhance fire resistance.
• Plasticizer: Acts as a secondary plasticizer and stabilizer in PVC and other polymer systems to improve flexibility and processing.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex organophosphorus compounds, including pesticides and pharmaceuticals.
• Lubricant Additive: Incorporated into synthetic lubricants and hydraulic fluids as an anti-wear and extreme pressure additive.
• Electrolyte Additive: Employed in lithium-ion battery electrolytes to improve thermal stability and cycle life.
• Solvent and Extractant: Used in specific solvent extraction processes for metal separation and purification in hydrometallurgy.

Basic Information

Product Name	Diphenyl Methyl Phosphate
CAS No.	115-89-9
Molecular Formula	C13H13O4P
Molecular Weight	264.21 g/mol
Synonyms	Methyl Diphenyl Phosphate; Diphenyl Methyl Phosphonate; Phenyl Methyl Phenyl Phosphate; Methyl DPP; Phosphoric Acid, Methyl Diphenyl Ester; Diphenyl Methoxyphosphate; Methyldiphenoxyphosphine Oxide; NSC 404108
EINECS	204-118-8

Quality Control

Our Diphenyl Methyl Phosphate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency standards. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. 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	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as H3PO4)	≤ 0.1%
Refractive Index (n20D)	1.550 - 1.560
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.