Description

Phenyl Di(p-Tolyl) Phosphate CAS NO 34909-69-8 is a specialized organophosphate ester compound valued for its performance as a flame retardant and plasticizer. This chemical is engineered to enhance the fire safety and material properties of various polymer systems while maintaining processing stability. It is a critical component for manufacturers in the plastics, electronics, and construction materials industries seeking to meet stringent safety and regulatory standards.

Application

• Primary use as a flame retardant plasticizer in flexible and rigid polyvinyl chloride (PVC) formulations.
• Key additive in engineering plastics and polymer blends to improve fire resistance.
• Functional component in wire and cable insulation and jacketing compounds.
• Used in the production of fire-resistant synthetic rubbers and elastomers.
• Plasticizer for specialty adhesives, sealants, and coatings requiring flame retardancy.
• Potential additive in hydraulic fluids and lubricants for industrial applications.

Basic Information

Product Name	Phenyl Di(p-Tolyl) Phosphate
CAS No.	34909-69-8
Molecular Formula	C26H23O4P
Molecular Weight	430.43 g/mol
Synonyms	Phosphoric Acid, Phenyl Di-p-tolyl Ester; Phenyl Di-p-tolyl Phosphate; Phenyl Di(4-methylphenyl) Phosphate; Di(p-tolyl) Phenyl Phosphate; PDTP; CAS 34909-69-8; Flame Retardant PDTP; Plasticizer PDTP
EINECS	Contact for details

Quality Control

Our production of Phenyl Di(p-Tolyl) Phosphate adheres to a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including assay, purity, and physical property verification. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible organic solvents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.555 - 1.560
Density (20°C)	1.18 - 1.22 g/cm³

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