TRIS(2-HYDROXYETHYL)-1,3,5-TRIAZINETRIONE

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is an isocyanurate-based triol used as a polyol building block and crosslinking intermediate in thermoset resin chemistry, and Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is valued for improving heat resistance, hardness, and chemical durability in cured networks.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is widely used in saturated polyester, alkyd, polyurethane, and amino-resin systems where high functionality and thermal stability are desired, and Tris(2-Hydroxyethyl)-1,3,5-triazinetrione performance depends on purity, hydroxyl value, moisture content, and compatibility with the chosen resin and catalyst package.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is typically supplied as a white to off-white crystalline solid, and Tris(2-Hydroxyethyl)-1,3,5-triazinetrione should be handled with dust control and kept dry to maintain consistent reactivity.

CAS Number: 839-90-7
EC Number: Grade dependent / supplier dependent
Molecular Formula: C9H15N3O6
Molecular Weight: 261.23 g/mol

Synonyms: Tris(2-Hydroxyethyl)-1,3,5-triazinetrione, Tris(2-hydroxyethyl) Isocyanurate, THEIC, Tris(2-hydroxyethyl) Cyanurate, Isocyanuric Acid Tris(2-hydroxyethyl) Ester, Isocyanurate Triol, Trifunctional Isocyanurate Polyol, THEIC Polyol, Tris(2-hydroxyethyl) Isocyanurate Powder, Tris(2-hydroxyethyl) Isocyanurate Triol, Heat-Resistant Polyol, Isocyanurate-Based Triol, Tris(2-Hydroxyethyl)-1,3,5-triazinetrione, Tris(2-hydroxyethyl) Isocyanurate, Trihydroxyethyl Isocyanurate, THEIC, Tris(hydroxyethyl) Isocyanurate, 1,3,5-Tris(2-hydroxyethyl) Isocyanurate, 1,3,5-Tris(2-hydroxyethyl)-1,3,5-triazinetrione, 1,3,5-Tris(2-hydroxyethyl)-1,3,5-triazine-2,4,6-trione, Tris(2-hydroxyethyl)-s-triazine-2,4,6-trione, Tris(2-hydroxyethyl)-1,3,5-triazinane-2,4,6-trione, Tris(2-hydroxyethyl) Cyanurate, Tris(beta-hydroxyethyl) Isocyanurate, Tris(β-hydroxyethyl) Isocyanurate, N,N',N''-Tris(2-hydroxyethyl) Isocyanurate, N,N',N''-Tris(2-hydroxyethyl)-1,3,5-triazinetrione, N,N',N''-Tris(2-hydroxyethyl)-1,3,5-triazine-2,4,6-trione, Isocyanuric Acid Tris(2-hydroxyethyl) Ester, Isocyanuric Acid Trihydroxyethyl Ester, Tris(2-hydroxyethyl) Ester of Isocyanuric Acid, Hydroxyethyl Isocyanurate, Hydroxyethyl Cyanurate, 2-Hydroxyethyl Isocyanurate, Triethanol Isocyanurate, Trisethanol Isocyanurate, Tris Hydroxyethyl Cyanurate

APPLICATIONS

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used as a polyol building block in saturated polyester resin synthesis to increase functionality and improve thermal resistance.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is incorporated into polyester backbones to raise crosslink density potential and improve hardness in cured coatings.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in resins designed for elevated temperature service where ring stability supports long-term performance.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in powder coating resin systems as a high-functionality polyol component to improve cure response and film durability.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is incorporated into TGIC-free polyester formulations in selected designs to help achieve hardness and chemical resistance targets.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in outdoor-durable coatings in selected resin designs where improved heat and weather stability are desired.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in alkyd resins to improve drying film hardness and heat resistance in compatible formulations.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is incorporated into baking enamels to increase thermal stability and reduce softening at higher temperatures.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in industrial maintenance coatings where higher crosslink density improves solvent resistance.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used as a triol component in polyurethane systems to increase network formation and improve mechanical strength.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is incorporated into rigid or semi-rigid polyurethane formulations in selected applications to improve heat distortion resistance.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in polyurethane coatings in selected systems to improve abrasion resistance and durability.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in amino-resin crosslinked coatings as a polyol component to improve film properties.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is incorporated into coil coatings and metal finishing coatings in selected applications to improve hardness and chemical resistance after baking.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is used in electrical insulation varnishes and impregnating resins in selected applications where thermal endurance is required.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is valued because Tris(2-Hydroxyethyl)-1,3,5-triazinetrione provides high hydroxyl functionality combined with an isocyanurate core that supports strong, heat-resistant thermoset networks in many resin families.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used as a reactive intermediate in specialty chemical synthesis.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione provides hydroxyl functionality for further chemical modification.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in the preparation of modified isocyanurate derivatives.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports the synthesis of multifunctional resin components.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in polyester resin development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can introduce an isocyanurate-type structure into polymer networks.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in polyurethane formulation research.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can react with isocyanates through its hydroxyl groups.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in thermosetting resin systems.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports crosslinking when combined with suitable reactive partners.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in coating resin modification.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione helps improve resin functionality in selected coating systems.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in high-performance polymer research.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports development of materials requiring improved thermal stability.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in flame-retardant material development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can contribute nitrogen-containing cyclic structure to formulations.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in adhesive resin systems.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione helps modify polarity and reactivity in compatible adhesives.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in sealant development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports formulation designs requiring hydroxyl-reactive components.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in alkyd resin modification.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can act as a multifunctional alcohol component in compatible esterification systems.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in specialty ester synthesis.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione provides three hydroxyethyl groups for ester-forming reactions.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in epoxy resin modifier development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can improve compatibility with polar resin systems.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in polymer additive research.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports formulation studies involving multifunctional hydroxyl compounds.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in textile finishing research.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione may support durable finishing systems when chemically incorporated into suitable binders.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in surface-treatment formulation development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione helps introduce polar functionality into selected surface-active systems.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in plastic additive research.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports development of additives requiring nitrogen-rich cyclic structures.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in composite resin development.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can improve resin functionality in fiber-reinforced systems.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in laboratory synthesis of triazine-based monomers.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione serves as a building block for functional polymer chemistry.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in research on hydroxyethyl-substituted heterocyclic compounds.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports studies of structure-property relationships in nitrogen-containing materials.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in specialty coating development for heat-resistant applications.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione helps create formulations with controlled hydroxyl functionality.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is used in customized resin intermediates.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports applications requiring a stable cyclic core and reactive alcohol groups.

DESCRIPTION

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is an isocyanurate-based triol, and Tris(2-Hydroxyethyl)-1,3,5-triazinetrione contains three hydroxyl groups that react with acids, anhydrides, isocyanates, and amino-resin crosslinkers depending on the resin system.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione increases functionality in resin synthesis, and higher functionality improves crosslink density potential which can increase hardness, chemical resistance, and heat resistance.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione can increase brittleness if overdosed, so Tris(2-Hydroxyethyl)-1,3,5-triazinetrione dosage is optimized to balance hardness with flexibility and impact resistance.

Tris(2-Hydroxyethyl)-1,3,5-triazinetrione should be kept dry because moisture can affect downstream reactions and specifications, and dry storage and controlled handling support consistent performance.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is typically supplied as a crystalline solid, and melt/solution processing and good dispersion are used to ensure uniform incorporation into resin systems.
Tris(2-Hydroxyethyl)-1,3,5-triazinetrione should be used according to applicable regulations and good industrial hygiene practices for the target market and facility.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is a hydroxyethyl-substituted isocyanurate compound.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione contains a triazine-based cyclic core.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione contains three hydroxyethyl groups.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is closely associated with tris(2-hydroxyethyl) isocyanurate chemistry.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is typically used for its multifunctional hydroxyl character.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can participate in esterification, urethane formation, and other hydroxyl-based reactions.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is generally valued as a specialty intermediate.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione may be supplied as a solid or viscous material depending on grade and purity.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione has a nitrogen-containing heterocyclic structure.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can increase polarity in resin and polymer systems.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can improve compatibility with selected polar ingredients.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione performance depends on hydroxyl value, purity, moisture level, and formulation design.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is useful where a compact trifunctional alcohol structure is required.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can contribute thermal stability through its isocyanurate-type core.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione can be chemically converted into acrylates, esters, urethanes, or other derivatives.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is selected for specialty materials requiring controlled reactivity.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione should be stored in tightly closed containers.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione should be protected from moisture, contamination, and excessive heat.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione should be handled according to the supplier safety data sheet.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione may require dust or vapor control depending on physical form and processing conditions.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione quality may be defined by assay, hydroxyl value, color, water content, and impurity profile.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is important in specialty resin and polymer intermediate chemistry.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is valued for combining a stable heterocyclic core with three reactive hydroxyl groups.
Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione supports the development of coatings, adhesives, composites, and advanced polymer materials.

Tris(2-Hydroxyethyl)-1,3,5-Triazinetrione is selected when multifunctionality, polarity, and triazine-based structure are needed.

PROPERTIES

Chemical Formula: C9H15N3O6
Molecular Weight: 261.23 g/mol
Common Name: Tris(2-Hydroxyethyl)-1,3,5-triazinetrione (THEIC)
Chemical Type: Trifunctional alcohol (triol); isocyanurate-based polyol; thermoset resin intermediate
Appearance: White to off-white crystalline solid
Odor: Slight or none
Solubility: Soluble in many polar organic solvents; limited solubility behavior depends on temperature and solvent system
Hydroxyl Functionality: 3 (triol)
Thermal Contribution: Isocyanurate core supports improved thermal stability in cured networks
Stability: Stable under dry storage; avoid strong oxidizers and excessive heat
Storage Temperature: 15–30°C, tightly closed, dry
Shelf Life: Typically 12–36 months in original sealed packaging (supplier dependent)

FIRST AID

Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing dust during powder handling.

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.
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 gloves and safety glasses for bulk handling.
Avoid generating dust and avoid inhalation of fine powder.
Use clean, dry equipment to prevent moisture pickup and contamination.

Ventilation:
Use general ventilation for normal handling.
Use local exhaust where dust may be generated during powder transfer.
Minimize airborne particulate accumulation in enclosed areas.

Storage:
Store in tightly closed containers in a cool, dry place.
Protect from moisture to maintain consistent reactivity and free-flowing behavior.
Keep away from strong oxidizers and incompatible reactive chemicals.

Spill and Leak Procedures:
Sweep up spilled powder and avoid dust generation.
Collect into suitable containers for reuse or disposal according to local regulations.
Clean residues with water if needed and dry the area to prevent slip hazards.

Handling Precautions:
Control dust exposure because Tris(2-Hydroxyethyl)-1,3,5-triazinetrione is a fine solid and airborne dust can irritate the respiratory tract.
Optimize formulation balance because Tris(2-Hydroxyethyl)-1,3,5-triazinetrione increases crosslink density potential and can increase brittleness if overdosed.
Rotate stock using FIFO practices to maintain consistent quality and predictable resin-building performance.