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TEP Liquid
Eastman TEP is a clear, colorless liquid used as a solvent in many industries and applications, including unsaturated polyester resin production.
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- Manufacturer: Eastman
- Product Line: Eastman Hydroquinone and Derivatives
- Product: Eastman TEP (Triethyl Phosphate)
- Industries: Adhesives | Elastomers | Energy | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
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Canada
United States
Overview
Eastman TEP (triethyl phosphate, CAS No. 78-40-0, chemical formula C6H15O4P) is a process solvent that can also be used as a plasticizer for tough, fire-resistant plastics. Triethyl phosphate is commonly used as an intermediate for agricultural chemicals when preparing TEPP (tetraethyl pyrophosphate). Triethyl phosphate is also an effective viscosity reducer for unsaturated polyester resins for fiberglass-reinforced plastic, aliphatic polyester polyols for urethane foams, aromatic polyester polyols and sucrose-amine polyols for rigid urethane foams, and acrylic resins and saturated polyester resins for high-solids protective coatings. Triethyl phosphate is also used in the oil field industry as an oil extraction aid, and as an intermediate chemical in the manufacture of fracturing gels.
Specifications
CAS number: 78-40-0
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
Primary Chemistry: Triethyl phosphate
Features & Benefits
- Effective viscosity reducer and flame retardant in unsaturated polyester resins
- Enhanced flame resistance in ATH systems
- Mild, pleasing odor
- Clear, colorless liquid
Problems Solved
Unmanageable polymer system viscosity and processing Unsaturated resin safety concerns with inferior flame resistance
Applications
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 production - Used to incorporate phosphorous into silicate glass
Related Applications
Related Chemistries
Adhesives
Related End Markets
Elastomers
Energy
- Agricultural Intermediates
- Consumer Fuel Products
- Gas and Oil Refineries
- Industrial Chemical Manufacturing
Related Functions
Related Processes
Eastman Hydroquinone and Derivatives Articles
Eastman Triethyl Phosphate in Fiberglass-Reinforced Plastic
The incorporation of triethyl phosphate in fiberglass-reinforced plastic enhances the composite's performance, safety, and workability. Learn more!
Eastman - What Is Triethyl Phosphate?
Learn about the chemical properties, structure, and uses of triethyl phosphate and its important role in the production of various materials.
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