Description

Tris(o-Ethylphenyl) Phosphate (CAS NO 3862-08-6) is a specialized organophosphate ester valued for its performance as a flame retardant and plasticizer. This compound is engineered to enhance the fire safety and material properties of various polymer systems without compromising on processing characteristics. It is a critical additive for manufacturers in the plastics, electronics, and construction industries seeking reliable flame retardant solutions.

Application

• Primary use as a flame retardant plasticizer in flexible and rigid polyvinyl chloride (PVC) formulations.
• Key component in fire-resistant hydraulic fluids and lubricants for industrial machinery.
• Functional additive in engineering plastics and thermosetting resins for electronic components and connectors.
• Used in the production of fire-retardant coatings, adhesives, and sealants for construction materials.
• Plasticizer for synthetic rubber and other elastomers requiring improved flame resistance.
• Additive in cable insulation and jacketing compounds to meet stringent fire safety standards.

Basic Information

Product Name	Tris(o-Ethylphenyl) Phosphate
CAS No.	3862-08-6
Molecular Formula	C24H27O4P
Molecular Weight	410.44 g/mol
Synonyms	Tris(2-ethylphenyl) phosphate; Phosphoric acid tris(2-ethylphenyl) ester; o-Ethylphenyl phosphate; TOEP; Tri-o-ethylphenyl phosphate; 2-Ethylphenyl phosphate; Tris(2-ethylphenyl) ester of phosphoric acid; Flame Retardant TOEP
EINECS	223-386-0

Quality Control

Our Tris(o-Ethylphenyl) Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and performance characteristics. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles 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 between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Color (APHA)	≤ 100
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.550 - 1.556
Density (20°C)	1.160 - 1.180 g/cm³

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