REOFOS 65

Reofos 65 is a high-efficiency non-halogenated aryl phosphate ester flame retardant, engineered for applications demanding thermal stability, flame suppression, and plasticizing performance.
Reofos 65 is widely used in engineering thermoplastics, coatings, adhesives, and elastomers due to its outstanding fire resistance and excellent compatibility with polymer systems.
Reofos 65 is valued in electronics, automotive, construction, and wire & cable industries for its ability to meet stringent flammability and low-smoke requirements.

CAS Number: 1241-94-7
EC Number: 214-984-7
Molecular Formula: C27H33O7P
Molecular Weight: 500.52 g/mol

Synonyms: Triphenyl isopropylated phosphate, Isopropylated Triphenyl Phosphate, IPPP, Flame Retardant IPPP, Reofos 65, Phosphoric acid, isopropylated triphenyl ester, Isopropylated aryl phosphate ester, IPP phosphate ester, Triphenyl phosphate isopropylated, Reofos IPPP, IPPP-65, TPP isopropylated, Phosphoric acid ester flame retardant, Reofos 65 FR, Reofos for thermoplastics, Aryl phosphate ester Reofos

APPLICATIONS

Reofos 65 is used in engineering plastics such as polycarbonate (PC), ABS, and PPO to enhance fire resistance.
Reofos 65 is employed in PVC formulations for flexible films, sheathing, and wire insulation with flame retardancy.
Reofos 65 is applied in polyurethane systems including flexible foams, adhesives, and coatings for safety compliance.

Reofos 65 is incorporated into thermosetting resins like epoxy and phenolics to meet low-flame, low-smoke standards.
Reofos 65 is used in cable jacketing compounds to reduce flammability and maintain flexibility.
Reofos 65 is included in elastomers and rubbers to impart fire-retardant and plasticizing properties.

Reofos 65 is suitable for thermoplastic polyurethane (TPU) in footwear, films, and molded items requiring fire resistance.
Reofos 65 is used in solvent-based and waterborne coatings for fire-resistant furniture and building panels.
Reofos 65 is found in adhesives and sealants for automotive interiors and electronics assembly.

Reofos 65 is used in textile back coatings for upholstery, drapery, and transportation fabrics.
Reofos 65 enhances fire performance of flooring systems, including vinyl, rubber, and composite tiles.
Reofos 65 is applied in potting compounds and encapsulants used in electronic components and circuit boards.

Reofos 65 is compatible with a range of plasticizers and polymer additives for balanced mechanical performance.
Reofos 65 is employed in films and sheets for electrical insulation with enhanced fire safety.
Reofos 65 is used in molded consumer goods requiring UL 94 V-0 rating.

Reofos 65 is used in the development of low-smoke, non-toxic (LSNT) fire retardant systems.
Reofos 65 is suitable for use in coatings for wood and structural composites in public buildings.
Reofos 65 is used in polyurethane casting resins for flexible and rigid foams with thermal stability.

Reofos 65 is used as a high-performance flame retardant plasticizer in flexible PVC.
Reofos 65 provides excellent fire resistance while maintaining material flexibility.
Reofos 65 is widely used in wire and cable insulation and jacketing compounds.

Reofos 65 offers superior thermal stability in high-temperature processing environments.
Reofos 65 enhances the flame retardancy of vinyl floorings and wall coverings.

Reofos 65 is effective in automotive interior applications requiring low fogging.
Reofos 65 contributes to low smoke generation during combustion.

Reofos 65 meets stringent regulatory requirements for flame retardancy.
Reofos 65 is used in flexible films for construction and industrial applications.
Reofos 65 improves migration resistance and product longevity.

Reofos 65 is compatible with PVC, chlorinated polymers, and synthetic rubbers.
Reofos 65 is suitable for plastisols used in coated textiles and synthetic leather.

Reofos 65 enhances flexibility in flame-retardant adhesives and sealants.
Reofos 65 supports the production of low-VOC and REACH-compliant formulations.
Reofos 65 improves dielectric properties in electrical insulation applications.

Reofos 65 is used in conveyor belts, hoses, and gaskets requiring thermal protection.
Reofos 65 is effective in low-volatility, high-clarity plastic film systems.

Reofos 65 provides enhanced processability in extrusion and calendering operations.
Reofos 65 is often combined with synergists like antimony trioxide for better fire performance.
Reofos 65 supports the formulation of low-smoke zero-halogen (LSZH) systems.

Reofos 65 improves flame retardancy without significantly affecting flexibility.
Reofos 65 is applied in furniture upholstery materials requiring flame resistance.

Reofos 65 increases resistance to oil and plasticizer extraction.
Reofos 65 is used in automotive underbody and under-hood applications.

Reofos 65 provides resistance to UV degradation in outdoor applications.
Reofos 65 reduces surface tack and improves dimensional stability.
Reofos 65 contributes to smooth surface finishes in molded PVC parts.

Reofos 65 is effective in dip molding and calendared product applications.
Reofos 65 improves compatibility with other plasticizers and additives.

Reofos 65 enhances mechanical properties like tensile strength and elongation.
Reofos 65 is used in synthetic leathers for garments and accessories.

Reofos 65 enables high filler loading in flame-retardant formulations.
Reofos 65 supports applications that require excellent aging performance.
Reofos 65 is used in building materials such as roofing membranes and flexible seals.

Reofos 65 contributes to consistent gelation and fusion behavior in PVC systems.
Reofos 65 maintains performance in extreme temperature and humidity conditions.

Reofos 65 supports improved pigment dispersion in colored compounds.
Reofos 65 is used in foam-backed textile laminates for contract interiors.

Reofos 65 is selected for applications where long-term flame retardancy is critical.
Reofos 65 enhances safety and performance in both consumer and industrial products.

DESCRIPTION

Reofos 65 is a clear, viscous liquid aryl phosphate ester with a mild aromatic odor, known for its low volatility and high thermal stability.
Reofos 65 is an isopropylated triphenyl phosphate that acts as both a flame retardant and plasticizer in various resin systems.
Reofos 65 provides flame suppression via char formation and radical quenching in both condensed and gas phases.

Reofos 65 is especially effective in maintaining mechanical properties while enhancing fire safety.
Reofos 65 is non-halogenated, making it suitable for low-smoke, environmentally safer applications.
Reofos 65 exhibits excellent compatibility with engineering plastics and thermoset systems.

Reofos 65 is stable during high-temperature processing, including extrusion, molding, and curing applications.
Reofos 65 resists migration and blooming in finished products, preserving clarity and aesthetics.
Reofos 65 complies with several fire performance standards including UL 94, ASTM E662, and IEC 60332.

Due to its balanced performance, Reofos 65 is widely used in both consumer and industrial flame-retardant systems.
Its low toxicity and broad processing window make it a preferred choice for safety-critical applications.

PROPERTIES

Chemical Formula: C27H33O7P
Molecular Weight: 500.52 g/mol
Common Name: Reofos 65
Appearance: Clear, viscous liquid
Odor: Mild, aromatic
Density: ~1.17 g/cm³
Boiling Point: >300°C (decomposes)
Viscosity: ~750–950 mPa·s at 25°C
Flash Point: >250°C (closed cup)
Solubility: Insoluble in water, soluble in organic solvents
Reactivity: Stable under normal conditions
Chemical Stability: Excellent thermal and hydrolytic stability
Storage Temperature: 10–30°C, protect from light and moisture

FIRST AID

Inhalation:
Move to fresh air and keep at rest.
Provide oxygen or artificial respiration if breathing is difficult.
Seek medical attention if symptoms develop.

Skin Contact:
Wash with soap and water thoroughly.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation occurs.

Eye Contact:
Flush eyes with water for 15 minutes, lifting eyelids.
Seek medical attention for persistent irritation.
Remove contact lenses if present and easy to do.

Ingestion:
Rinse mouth and drink water if the person is conscious.
Do not induce vomiting unless instructed by a medical professional.
Contact poison control or seek medical help immediately.

Note to Physicians:
Provide supportive care based on symptoms.
No specific antidote available.

HANDLING AND STORAGE

Handling:
Use gloves, goggles, and protective clothing to avoid skin and eye contact.
Work in a well-ventilated area.
Avoid aerosol formation and unnecessary exposure.

Spill and Leak Procedures:
Contain and absorb using inert material like sand or diatomaceous earth.
Clean thoroughly to avoid slippery residues.
Dispose of according to local environmental regulations.

Storage:
Store in tightly sealed containers in a cool, dry, and ventilated place.
Protect from direct sunlight and moisture.
Keep away from strong oxidizers and heat sources.

Handling Cautions:
Ensure containers are properly labeled.
Use stainless steel or compatible material for transfer equipment.
Maintain good industrial hygiene practices.