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TEP Liquid

Clear, colorless liquid used as a solvent in many applications and carries flame retardant attributes.


485lb Drum



Product Overview

Eastman™ TEP (Triethyl Phosphate) is a process solvent that can also be used as a plasticizer for tough, fire-resistant plastics. Commonly used as an intermediate for agricultural chemicals when preparing TEPP (tetraethyl pyrophosphate). 

Product Specifications

Appearance: Clear, colorless liquid
Molecular weight: 182.16
Flash point: 99°C (210°F)
Boiling point: 209°C (408°F)
Specific gravity @ 20°C/20°C: 1.067-1.072
Viscosity @ 20°C: 1.76 cP
Viscosity @ 71°C: 0.82 cP
CAS: 78-40-0

Features & Benefits

Effective viscosity reducer in systems filled with aluminum trihydrate (ATH)
Enhanced flame resistance in ATH systems


Resin intermediates - Used as a viscosity reducer and flame retardant

Oil field drilling chemicals - TEP is used in the manufacturing of oil and gas well fracturing agents known as fracturing gels

Oil extraction aid - Used as a stimulant for deep wells (most US production)

Polyester production - Used in the production of PET, evidently as a catalyst

Silicate glass produciton - Used to incorporate phosphorous into silicate glass

Related Products

Eastman Diketene Derivatives

Eastman™ Diketene Derivatives provide offers a wide range of tautomers that are soluble in water and common organic solvents. They are often used as co-promoters in low color-generating compounds.

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