Description

Di-p-Tolyl-Phosphate is a high-purity organophosphate compound, widely recognized for its utility as a flame retardant and plasticizer. Its chemical stability and compatibility with various polymers make it a valuable additive for enhancing material properties. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to improve fire resistance and flexibility in their formulations.

Application

• Primary use as a flame retardant plasticizer in PVC, polyurethane, and other polymer systems.
• Component in hydraulic fluids and lubricant additives for industrial machinery.
• Additive in adhesive and coating formulations to modify flexibility and durability.
• Intermediate in the synthesis of more complex organophosphate esters for specialized applications.
• Used in the production of fire-resistant cables and electronic encapsulants.
• Potential additive for engineering plastics to meet specific flame retardancy standards.

Basic Information

Product Name	Di-p-Tolyl-Phosphate
CAS No.	843-24-3
Molecular Formula	C20H19O4P
Molecular Weight	354.33 g/mol
Synonyms	Di-p-Cresyl Phosphate; Di(4-methylphenyl) phosphate; Bis(4-methylphenyl) phosphate; Phosphoric Acid Di-p-Tolyl Ester; Di(p-tolyl) Phosphate; DTPhP; 4-Methylphenyl Phosphate (di-ester); Di(4-tolyl) Phosphate
EINECS	212-671-9

Quality Control

Our Di-p-Tolyl-Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) documenting purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

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)	≤ 0.2%
Specific Gravity (20°C)	1.160 - 1.180
Refractive Index (20°C)	1.550 - 1.560

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