Description

p-Cresyl Diphenyl Phosphate is a high-performance organophosphate ester widely recognized for its excellent flame-retardant and plasticizing properties. This compound is crucial for enhancing the safety and durability of polymer materials by effectively reducing flammability while maintaining material integrity. It is primarily sought after by manufacturers in the plastics, electronics, and construction industries for applications requiring stringent fire safety standards.

Application

• As a flame retardant plasticizer in flexible and rigid polyvinyl chloride (PVC) formulations for cables, wires, and flooring.
• As a key component in fire-resistant hydraulic fluids and lubricants for industrial machinery.
• In the production of flame-retardant engineering plastics such as polycarbonates, polyurethanes, and phenolic resins.
• As an additive in electronic encapsulants and circuit board coatings to meet UL94 standards.
• For imparting flame resistance to adhesives, sealants, and synthetic rubber products.
• In the formulation of fire-safe aircraft and automotive interior materials.

Basic Information

Product Name	p-Cresyl Diphenyl Phosphate
CAS No.	78-31-9
Molecular Formula	C19H17O4P
Molecular Weight	340.31 g/mol
Synonyms	Phosphoric Acid, Bis(phenyl) P-Tolyl Ester; CDP; p-Tolyl Diphenyl Phosphate; 4-Methylphenyl Diphenyl Phosphate; Diphenyl p-Tolyl Phosphate; Phenyl p-Tolyl Phenyl Phosphate; Santicizer 141; Kronitex CDP
EINECS	201-103-5

Quality Control

Our p-Cresyl Diphenyl Phosphate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify its identity and meet specified impurity limits. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee 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 strong alkalis and incompatible organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent 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)	1.555 - 1.560
Density (20°C)	1.200 - 1.220 g/cm³
Flash Point	> 200 °C

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