TRIS(2-N-BUTOXYETHYL) PHOSPHATE

Tris(2-n-Butoxyethyl) Phosphate is an organophosphate ester used as a plasticizer, solvent, and performance additive in industrial formulations, and Tris(2-n-Butoxyethyl) Phosphate is valued for improving flexibility, flow, and film formation in polymer systems.
Tris(2-n-Butoxyethyl) Phosphate is widely used in coatings, inks, adhesives, and polymer processing where compatibility with binder systems and low-volatility plasticization are required, and Tris(2-n-Butoxyethyl) Phosphate can also provide foam-control benefits in selected high-shear processes.
Tris(2-n-Butoxyethyl) Phosphate is typically supplied as a clear, colorless liquid, and Tris(2-n-Butoxyethyl) Phosphate performance depends on purity, water content, viscosity grade, dosage, and compatibility with the complete formulation.

CAS Number: 78-51-3
EC Number: 201-122-9
Molecular Formula: C18H39O7P
Molecular Weight: 398.47 g/mol

Synonyms: Tris(2-n-Butoxyethyl) Phosphate, Tris(2-Butoxyethyl) Phosphate, TBEP, Tributoxyethyl Phosphate, Tri(2-Butoxyethyl) Phosphate, Phosphoric Acid Tris(2-Butoxyethyl) Ester, Tri Butoxyethyl Phosphate, Amgard TBEP, Kronitex KP-140, Phosflex T-BEP, Organophosphate Plasticizer, TBEP Plasticizer, TBEP Coalescent, Tris(2-n-butoxyethyl) Phosphate, Tris(2-butoxyethyl) Phosphate, Tri(2-butoxyethyl) Phosphate, Tris(2-butoxyethyl) Orthophosphate, Tri-2-butoxyethyl Phosphate, 2-Butoxyethyl Phosphate, Tributoxyethyl Phosphate, Tri(butoxyethyl) Phosphate, TBEP, TBOEP, KP-140, Kronitex KP-140, Phosflex T-BEP, Phosflex 176C, Amgard TBEP, Phosphoric Acid Tris(2-butoxyethyl) Ester, Phosphoric Acid Tri(2-butoxyethyl) Ester, Phosphoric Acid Tributoxyethyl Ester, Tris(2-butoxyethyl) Ester of Phosphoric Acid, 2-Butoxyethanol Phosphate Triester, Ethanol 2-Butoxy Phosphate Triester, Butoxyethyl Phosphate Ester, Butoxyethyl Orthophosphate, Triethylene Glycol Butyl Ether Phosphate, Tributoxyethyl Orthophosphate, Flame Retardant TBEP, Plasticizer TBEP, Phosphate Ester Plasticizer TBEP, Organophosphate Plasticizer TBEP, Halogen-Free Flame Retardant TBEP

APPLICATIONS

Tris(2-n-Butoxyethyl) Phosphate is used as a plasticizer in PVC to improve flexibility, softness, and low-temperature performance.
Tris(2-n-Butoxyethyl) Phosphate is incorporated into flexible vinyl formulations to reduce brittleness and improve elongation.
Tris(2-n-Butoxyethyl) Phosphate is used in PVC compounds to support smoother processing and improved melt flow.

Tris(2-n-Butoxyethyl) Phosphate is used in waterborne acrylic coatings as a coalescing and film-forming aid in compatible formulations.
Tris(2-n-Butoxyethyl) Phosphate is incorporated into architectural coatings to support uniform film formation and improved appearance.
Tris(2-n-Butoxyethyl) Phosphate is used in industrial paints to improve leveling, reduce defects, and enhance flow.

Tris(2-n-Butoxyethyl) Phosphate is used in printing inks to adjust viscosity, flow, and film properties in selected formulations.
Tris(2-n-Butoxyethyl) Phosphate is incorporated into gravure and flexographic systems to help balance drying and laydown behavior.
Tris(2-n-Butoxyethyl) Phosphate is used in overprint varnishes to improve smoothness and reduce surface defects.

Tris(2-n-Butoxyethyl) Phosphate is used in adhesives and sealants to improve flexibility and reduce glass-transition related brittleness.
Tris(2-n-Butoxyethyl) Phosphate is incorporated into pressure-sensitive adhesives to tune tack and cohesion in compatible binder systems.
Tris(2-n-Butoxyethyl) Phosphate is used in construction adhesive formulations where plasticization supports durability and crack resistance.

Tris(2-n-Butoxyethyl) Phosphate is used as a defoaming or foam-control additive in certain coating and ink manufacturing steps.
Tris(2-n-Butoxyethyl) Phosphate is incorporated into high-shear mixing operations to reduce foam persistence and improve process stability.
Tris(2-n-Butoxyethyl) Phosphate is used in pigment dispersions to support wetting and help reduce entrapped air in compatible systems.

Tris(2-n-Butoxyethyl) Phosphate is valued because Tris(2-n-Butoxyethyl) Phosphate provides efficient plasticization and formulation flexibility across coatings, inks, adhesives, and polymer systems while reacting minimally with most binder chemistries.

Tris(2-N-Butoxyethyl) Phosphate is used as a flame-retardant plasticizer in polymer formulations.
Tris(2-N-Butoxyethyl) Phosphate improves flexibility while contributing phosphorus-based flame-retardant performance.
Tris(2-N-Butoxyethyl) Phosphate is used in PVC compounds.
Tris(2-N-Butoxyethyl) Phosphate helps improve softness and processing behavior in flexible vinyl products.

Tris(2-N-Butoxyethyl) Phosphate is used in synthetic rubber formulations.
Tris(2-N-Butoxyethyl) Phosphate supports flexibility and flame resistance in compatible elastomer systems.
Tris(2-N-Butoxyethyl) Phosphate is used in polyurethane formulations.
Tris(2-N-Butoxyethyl) Phosphate can act as a functional plasticizer in selected polyurethane materials.

Tris(2-N-Butoxyethyl) Phosphate is used in coating formulations.
Tris(2-N-Butoxyethyl) Phosphate improves film flexibility and contributes to fire-resistance performance.
Tris(2-N-Butoxyethyl) Phosphate is used in industrial paint systems.
Tris(2-N-Butoxyethyl) Phosphate helps adjust hardness, flexibility, and durability in cured coatings.

Tris(2-N-Butoxyethyl) Phosphate is used in floor polish formulations.
Tris(2-N-Butoxyethyl) Phosphate helps improve film formation and leveling.
Tris(2-N-Butoxyethyl) Phosphate is used in wax and polish products.
Tris(2-N-Butoxyethyl) Phosphate supports gloss, spreading, and surface finish quality.

Tris(2-N-Butoxyethyl) Phosphate is used in textile coating formulations.
Tris(2-N-Butoxyethyl) Phosphate improves flexibility and flame-retardant behavior in coated fabrics.
Tris(2-N-Butoxyethyl) Phosphate is used in back-coating systems for textiles.
Tris(2-N-Butoxyethyl) Phosphate supports durable finishing where softness and fire performance are needed.

Tris(2-N-Butoxyethyl) Phosphate is used in adhesive formulations.
Tris(2-N-Butoxyethyl) Phosphate improves flexibility in selected polymer adhesive systems.
Tris(2-N-Butoxyethyl) Phosphate is used in sealant formulations.
Tris(2-N-Butoxyethyl) Phosphate supports elastic performance and plasticization in compatible sealants.

Tris(2-N-Butoxyethyl) Phosphate is used in plastisol formulations.
Tris(2-N-Butoxyethyl) Phosphate helps adjust viscosity, fusion behavior, and flexibility.
Tris(2-N-Butoxyethyl) Phosphate is used in vinyl foam formulations.
Tris(2-N-Butoxyethyl) Phosphate supports softness and functional additive performance in foam systems.

Tris(2-N-Butoxyethyl) Phosphate is used in cellulose acetate formulations.
Tris(2-N-Butoxyethyl) Phosphate acts as a plasticizer for selected cellulose ester materials.
Tris(2-N-Butoxyethyl) Phosphate is used in nitrocellulose lacquer systems.
Tris(2-N-Butoxyethyl) Phosphate helps improve flexibility and film performance in compatible lacquers.

Tris(2-N-Butoxyethyl) Phosphate is used in acrylic resin formulations.
Tris(2-N-Butoxyethyl) Phosphate improves plasticization and compatibility in selected acrylic systems.
Tris(2-N-Butoxyethyl) Phosphate is used in vinyl resin formulations.
Tris(2-N-Butoxyethyl) Phosphate supports flexible film formation and processing stability.

Tris(2-N-Butoxyethyl) Phosphate is used in lubricant additive development.
Tris(2-N-Butoxyethyl) Phosphate contributes phosphate ester functionality to specialty fluid systems.
Tris(2-N-Butoxyethyl) Phosphate is used in hydraulic fluid formulations.
Tris(2-N-Butoxyethyl) Phosphate supports fire-resistant functional fluid design.

Tris(2-N-Butoxyethyl) Phosphate is used in metalworking fluid formulations.
Tris(2-N-Butoxyethyl) Phosphate can improve lubricity and functional additive performance.
Tris(2-N-Butoxyethyl) Phosphate is used in defoamer and specialty additive blends.
Tris(2-N-Butoxyethyl) Phosphate helps adjust solvency and surface behavior in compatible systems.

Tris(2-N-Butoxyethyl) Phosphate is used in pigment dispersion systems.
Tris(2-N-Butoxyethyl) Phosphate supports wetting and dispersion of pigments in resin-based formulations.
Tris(2-N-Butoxyethyl) Phosphate is used in printing ink formulations.
Tris(2-N-Butoxyethyl) Phosphate helps improve flow, flexibility, and film properties.

Tris(2-N-Butoxyethyl) Phosphate is used in paper coating formulations.
Tris(2-N-Butoxyethyl) Phosphate can support flexibility and surface finish in selected coating systems.
Tris(2-N-Butoxyethyl) Phosphate is used in specialty chemical manufacturing.
Tris(2-N-Butoxyethyl) Phosphate serves as a functional phosphate ester additive.

Tris(2-N-Butoxyethyl) Phosphate is used in research and development of flame-retardant plasticizers.
Tris(2-N-Butoxyethyl) Phosphate supports studies requiring a liquid organophosphate with plasticizing performance.
Tris(2-N-Butoxyethyl) Phosphate is used in formulation development where solvency and flexibility are needed.

DESCRIPTION

Tris(2-n-Butoxyethyl) Phosphate is an organophosphate ester built from butoxyethanol-derived groups attached to a phosphate center, and Tris(2-n-Butoxyethyl) Phosphate behaves as a relatively low-volatility, oil-like liquid in many formulations.
Tris(2-n-Butoxyethyl) Phosphate can act as a plasticizer by reducing intermolecular forces in polymers, and this effect increases flexibility and lowers brittleness in finished films.
Tris(2-n-Butoxyethyl) Phosphate can also influence surface tension and wetting, and these effects can improve pigment wetting, leveling, and film uniformity in coatings and inks.

Tris(2-n-Butoxyethyl) Phosphate is typically compatible with many organic binders and plastic systems, but compatibility testing is required because phase separation can occur in some resin or solvent packages.
Tris(2-n-Butoxyethyl) Phosphate may provide some flame-retardant contribution as an organophosphate additive, but performance depends on the complete formulation and regulatory requirements for the end use.
Tris(2-n-Butoxyethyl) Phosphate should be used according to applicable regulations for the target market because organophosphate additives may have use restrictions depending on product type and region.

Tris(2-n-Butoxyethyl) Phosphate is typically supplied as a clear, colorless liquid, and Tris(2-n-Butoxyethyl) Phosphate should be protected from contamination to maintain consistent performance.
Tris(2-n-Butoxyethyl) Phosphate should be stored in tightly closed containers and kept away from strong oxidizers to minimize degradation risk.
Tris(2-n-Butoxyethyl) Phosphate should be handled with good industrial hygiene practices because repeated contact can cause irritation in sensitive individuals.

Tris(2-N-Butoxyethyl) Phosphate is an organophosphate ester plasticizer.
Tris(2-N-Butoxyethyl) Phosphate is commonly associated with tri butoxyethyl phosphate chemistry.
Tris(2-N-Butoxyethyl) Phosphate is also known as TBEP in many industrial contexts.
Tris(2-N-Butoxyethyl) Phosphate is typically supplied as a clear to pale yellow liquid.

Tris(2-N-Butoxyethyl) Phosphate has useful compatibility with many resins and polymer systems.
Tris(2-N-Butoxyethyl) Phosphate combines plasticizing ability with phosphorus-containing functionality.
Tris(2-N-Butoxyethyl) Phosphate has relatively low volatility compared with many lighter solvents.
Tris(2-N-Butoxyethyl) Phosphate is valued for improving flexibility and processing behavior.

Tris(2-N-Butoxyethyl) Phosphate can contribute flame-retardant performance in suitable formulations.
Tris(2-N-Butoxyethyl) Phosphate performance depends on polymer type, dosage, additive package, and processing conditions.
Tris(2-N-Butoxyethyl) Phosphate can be blended with other plasticizers to balance cost and performance.
Tris(2-N-Butoxyethyl) Phosphate is useful in coatings, plastics, elastomers, polishes, adhesives, and functional fluids.

Tris(2-N-Butoxyethyl) Phosphate can improve flow and film-forming behavior in coating systems.
Tris(2-N-Butoxyethyl) Phosphate can help adjust viscosity and surface properties in compatible formulations.
Tris(2-N-Butoxyethyl) Phosphate quality may be defined by color, acidity, water content, ester content, and viscosity.
Tris(2-N-Butoxyethyl) Phosphate should be stored in tightly closed containers.

Tris(2-N-Butoxyethyl) Phosphate should be protected from excessive heat, moisture, and incompatible materials.
Tris(2-N-Butoxyethyl) Phosphate should be handled with suitable industrial hygiene practices.
Tris(2-N-Butoxyethyl) Phosphate should be used according to supplier safety data and regulatory requirements.
Tris(2-N-Butoxyethyl) Phosphate may irritate skin, eyes, or respiratory passages depending on exposure conditions.

Tris(2-N-Butoxyethyl) Phosphate is selected when a liquid phosphate ester plasticizer is required.
Tris(2-N-Butoxyethyl) Phosphate is useful where flexibility, solvency, and functional additive performance must be balanced.
Tris(2-N-Butoxyethyl) Phosphate is an important specialty additive for polymer and coating industries.
Tris(2-N-Butoxyethyl) Phosphate is valued for its combination of plasticizing efficiency, compatibility, and phosphorus content.

Tris(2-N-Butoxyethyl) Phosphate supports applications requiring durable flexible materials and improved formulation performance.

PROPERTIES

Chemical Formula: C18H39O7P
Molecular Weight: 398.47 g/mol
Common Name: Tris(2-n-Butoxyethyl) Phosphate (TBEP)
Chemical Type: Organophosphate ester; plasticizer; coalescent; process aid
Appearance: Clear, colorless liquid
Odor: Mild characteristic odor
Solubility: Insoluble to slightly soluble in water; soluble in many organic solvents; miscibility depends on system design
Density: About 1.0 g/cm³ (typical; grade dependent)
Viscosity: Moderate; temperature dependent
Volatility: Relatively low compared with many light solvents (grade dependent)
Stability: Stable under normal storage; avoid strong oxidizers and excessive heat
Storage Temperature: 5–30°C, tightly closed, dry, away from direct sunlight
Shelf Life: Typically 12–36 months in original sealed packaging (supplier dependent)

FIRST AID

Inhalation:
Move to fresh air if vapors or mists are inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing aerosols during spraying or high-shear operations that generate mist.

Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.

Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth with water and do not induce vomiting.
Seek medical attention if discomfort occurs or if a significant amount is swallowed.
Never give anything by mouth to an unconscious person.

Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.

HANDLING AND STORAGE

Handling:
Use appropriate PPE including chemical-resistant gloves and safety glasses.
Avoid prolonged skin contact and avoid splashing into eyes.
Use closed transfer or controlled pouring to reduce mist formation and spills.

Ventilation:
Use general ventilation for normal handling.
Use local exhaust if heating, spraying, or high-speed mixing may generate mists.
Avoid aerosol formation in enclosed spaces without adequate airflow.

Storage:
Store in tightly closed containers in a cool, dry, well-ventilated area.
Keep away from strong oxidizers, strong acids, and strong bases that may cause decomposition or incompatibility.
Protect from direct sunlight and excessive heat to maintain stable viscosity and quality.

Spill and Leak Procedures:
Contain spill and absorb with inert material.
Clean residue promptly because surfaces can become slippery.
Dispose of waste according to local regulations and facility procedures.

Handling Precautions:
Verify compatibility with the binder and solvent package because Tris(2-n-Butoxyethyl) Phosphate can plasticize strongly and may soften certain films if overdosed.
Optimize dosage because Tris(2-n-Butoxyethyl) Phosphate can affect drying, hardness, and block resistance in coatings depending on formulation balance.
Rotate stock using FIFO practices to maintain consistent quality and predictable processing performance.