Description

Tris(2-Ethylhexyl) Phosphate is a high-performance organophosphate ester widely recognized for its excellent solvating and plasticizing properties. This versatile chemical is critical for formulators seeking to enhance the flexibility, flame retardancy, and low-temperature performance of various materials. It is an essential component for manufacturers in the polymer, lubricant, and hydraulic fluid industries, where reliability and consistent quality are paramount.

Application

• Primary plasticizer and flame retardant for PVC, polyurethane, and other polymers.
• Functional fluid and anti-wear additive in advanced hydraulic and lubricating formulations.
• Extraction solvent and process aid in the purification of rare earth metals and other critical minerals.
• Key ingredient in specialty adhesives, sealants, and coatings to improve low-temperature flexibility.
• Component in fire-resistant hydraulic fluids for demanding industrial and aerospace applications.
• Used as a dielectric fluid and coolant in specific electrical equipment.
• Solvent and carrier in the production of pigments, dyes, and specialty chemicals.

Basic Information

Product Name	Tris(2-Ethylhexyl) Phosphate
CAS No.	78-42-2
Molecular Formula	C24H51O4P
Molecular Weight	434.63 g/mol
Synonyms	TEHP; Tri(2-ethylhexyl) phosphate; TOF; Tris(2-ethylhexyl) phosphate; Trioctyl phosphate; Phosphoric acid tris(2-ethylhexyl) ester; 2-Ethylhexyl phosphate; Ethylhexyl phosphate; Octyl acid phosphate; Flexol TOF; Disflamoll TOF; Kronitex TOF
EINECS	201-116-6

Quality Control

Our Tris(2-Ethylhexyl) Phosphate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, color, acidity, and moisture content, to meet exacting industry specifications. A Certificate of Analysis (COA) documenting full compliance is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizers, acids, and bases. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Density (20°C)	0.920 - 0.935 g/mL
Refractive Index (20°C)	1.440 - 1.445

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