Description

Tris(4-Ethyl-o-Tolyl) Phosphate is a specialized organophosphate compound valued for its performance as a flame retardant and plasticizer. This chemical is engineered to enhance the fire safety and material properties of various polymer systems while maintaining processing stability. It is primarily sought by manufacturers in the plastics, rubber, and specialty coatings industries seeking effective additive solutions.

Application

• As a flame retardant plasticizer in flexible PVC, polyurethane foams, and synthetic rubber compounds.
• As a functional additive in wire and cable insulation formulations to improve fire resistance.
• As a processing aid and property modifier in engineering plastics and composite materials.
• In the formulation of fire-resistant hydraulic fluids and lubricants.
• As a component in adhesive and sealant systems requiring enhanced flame retardancy.
• For research and development of new polymer additives with specific performance characteristics.

Basic Information

Product Name	Tris(4-Ethyl-o-Tolyl) Phosphate
CAS No.	84642-71-7
Molecular Formula	C33H39O4P
Molecular Weight	530.63 g/mol
Synonyms	Tris(2-methyl-4-ethylphenyl) phosphate; Phosphoric acid, tris(2-methyl-4-ethylphenyl) ester; 4-Ethyl-o-cresyl phosphate; TOEP; Tris(4-ethyl-2-methylphenyl) phosphate; Tris(2-methyl-4-ethylphenyl) phosphate; Flame Retardant TOEP
EINECS	Contact for details

Quality Control

Our Tris(4-Ethyl-o-Tolyl) Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Density (20°C)	~1.10 g/cm³
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.