Description

3,5-Diisopropylphenyl Diphenyl Phosphate is a specialized organophosphate compound with the CAS registry number 113765-39-2. This chemical is valued for its role as a high-performance additive, particularly as a flame retardant and plasticizer in advanced polymer systems. It is primarily sought by manufacturers in the plastics, electronics, and specialty chemical industries who require enhanced material properties such as improved fire resistance and thermal stability in their end products.

Application

• As a flame retardant plasticizer in engineering plastics like polycarbonate (PC) and polycarbonate/acrylonitrile butadiene styrene (PC/ABS) blends.
• As a functional additive in wire and cable insulation materials to meet stringent fire safety standards.
• In the formulation of fire-resistant hydraulic fluids and lubricants for industrial applications.
• As a component in electronic encapsulants and circuit board materials to enhance flame retardancy.
• For research and development of novel polymer composites requiring combined plasticizing and flame-retardant properties.
• As a synergistic agent in halogen-free flame retardant systems for improved efficiency.

Basic Information

Product Name	3,5-Diisopropylphenyl Diphenyl Phosphate
CAS No.	113765-39-2
Molecular Formula	C24H27O4P
Molecular Weight	410.44 g/mol
Synonyms	Diphenyl (3,5-diisopropylphenyl) phosphate; 3,5-Diisopropylphenyl diphenyl phosphate; Phosphoric acid, diphenyl (3,5-diisopropylphenyl) ester; BDP (commonly used abbreviation for bisphenol A diphenyl phosphate, a related compound - this is a distinct isomer); RDP (a common industry term for resorcinol bis(diphenyl phosphate) - this is a distinct compound); Tris(3,5-diisopropylphenyl) phosphate (a related tri-ester); Flame Retardant 113765-39-2
EINECS	Contact for details

Quality Control

Our production of 3,5-Diisopropylphenyl Diphenyl Phosphate adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications, including purity, color, and acid value. Certificates of Analysis (COA) documenting these results are provided and can be tailored to meet specific customer or regulatory 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 bases 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 and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 0.1 mg KOH/g
Color (APHA)	≤ 50
Water Content	≤ 0.1%

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