Description

Di-tert-Butylphenyl Phenyl Phosphate is a specialized organophosphate compound valued for its role as a high-performance additive and chemical intermediate. Its molecular structure provides unique properties that are critical for enhancing material performance and enabling specific synthetic pathways. This product is essential for manufacturers and formulators in the plastics, polymer, and specialty chemical industries seeking to improve flame retardancy, plasticization, and thermal stability in their products.

Application

• As a flame retardant and plasticizer in engineering plastics, PVC, and other polymer systems.
• As a key chemical intermediate in the synthesis of more complex phosphate esters and specialty chemicals.
• As a stabilizer and performance additive in lubricants and hydraulic fluids.
• In the formulation of functional fluids where thermal and oxidative stability are required.
• For research and development of novel flame-retardant materials and coatings.
• As an additive to improve the processing characteristics and final properties of thermoplastic compounds.

Basic Information

Product Name	Di-tert-Butylphenyl Phenyl Phosphate
CAS No.	65652-41-7
Molecular Formula	C26H31O4P
Molecular Weight	438.50 g/mol
Synonyms	Phosphoric Acid, Bis(4-(1,1-Dimethylethyl)phenyl) Phenyl Ester; Bis(4-tert-Butylphenyl) Phenyl Phosphate; Phenyl Di(4-tert-butylphenyl) Phosphate; DBPP; Flame Retardant DBPP; 4-tert-Butylphenyl Diphenyl Phosphate (isomer); Aflammit PDB 100 (potential trade name); Santicizer 154 (potential trade name)
EINECS	Contact for details

Quality Control

Our Di-tert-Butylphenyl Phenyl Phosphate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, color, acidity, and moisture content are provided to guarantee the product meets your technical requirements and supports your quality assurance protocols.

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 15-25°C. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Acidity (as H3PO4)	≤ 0.1 %
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1 %
Specific Gravity (25°C)	1.090 - 1.130
Refractive Index (20°C)	1.520 - 1.540

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