Description

3-Isopropylphenyl 4-Propylphenyl Phenyl Phosphate is a specialized organophosphate compound designed for high-performance applications requiring thermal stability and flame retardancy. This product is engineered to meet the stringent demands of advanced polymer formulations and functional material synthesis. It serves as a critical additive and intermediate for manufacturers in the electronics, aerospace, and specialty plastics industries seeking to enhance material properties and comply with safety regulations.

Application

• Flame Retardant Additive: A key component in engineering thermoplastics, epoxy resins, and polyurethane foams for electronics and construction materials.
• Plasticizer & Stabilizer: Used in specialty PVC and other polymer systems to improve flexibility and thermal-oxidative stability.
• Lubricant & Hydraulic Fluid Additive: Functions as an extreme-pressure additive and anti-wear agent in synthetic lubricants and hydraulic fluids.
• Chemical Intermediate: Serves as a precursor in the synthesis of more complex organophosphorus compounds for agrochemicals and pharmaceuticals.
• Adhesive & Sealant Formulation: Imparts flame retardancy and plasticity to high-performance adhesives and sealants used in automotive and aerospace.

Basic Information

Product Name	3-Isopropylphenyl 4-Propylphenyl Phenyl Phosphate
CAS No.	1391053-90-9
Molecular Formula	C24H27O4P
Molecular Weight	410.44 g/mol
Synonyms	Phenyl di(4-propylphenyl) phosphate; Triaryl phosphate (mixed isopropyl/propyl); Isopropylphenyl Propylphenyl Phenyl Phosphate; Flame Retardant TPP Derivative; Phosphoric Acid, Mixed Ester; 3-(1-Methylethyl)phenyl 4-propylphenyl phenyl phosphate; FR-1 (proprietary code); TAP (Triaryl Phosphate) blend
EINECS	Contact for details

Quality Control

Our production of 3-Isopropylphenyl 4-Propylphenyl Phenyl Phosphate adheres to a strict quality management system. Every batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are provided with each shipment to guarantee compliance with your technical specifications.

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 bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.15 g/cm³
Refractive Index (n20/D)	~1.550 - 1.560
Flash Point	> 200 °C

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