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Di-n-Octyl Adipate is an adipate ester plasticizer used in PVC, rubber, coatings, adhesives, films, synthetic leather, and specialty polymer systems, and Di-n-Octyl Adipate is valued for flexibility, low-temperature performance, plasticizing efficiency, and compatibility with many flexible polymer formulations.
Di-n-Octyl Adipate is commonly used in cold-resistant flexible PVC and elastomer products where softness, processability, and retained flexibility at low temperature are required, and Di-n-Octyl Adipate performance depends on purity, acidity, ester value, volatility, migration behavior, resin compatibility, and processing conditions.
Di-n-Octyl Adipate is typically supplied as a clear, colorless to pale yellow oily liquid, and Di-n-Octyl Adipate should be handled with clean equipment, good ventilation, and protection from contamination, strong oxidizers, and excessive heat.
CAS Number: 123-79-5
EC Number: 204-652-9
Molecular Formula: C22H42O4
Molecular Weight: 370.57 g/mol
Synonyms: Di-n-Octyl Adipate, DNOA, Di-n-octyl Hexanedioate, Bis(n-octyl) Adipate, Adipic Acid Di-n-Octyl Ester, Adipic Acid Dioctyl Ester, n-Octyl Adipate, Dioctyl Adipate, Adipate Plasticizer, Low Temperature Plasticizer, Flexible PVC Plasticizer, Cold-Resistant Plasticizer, Di-n-Octyl Adipate, Dioctyl Adipate, DOA, Di-n-octyl Adipate, Di-n-Octyl Hexanedioate, Di-n-octyl Hexanedioate, Hexanedioic Acid Di-n-octyl Ester, Adipic Acid Di-n-octyl Ester, Adipic Acid Dioctyl Ester, n-Octyl Adipate, Di Octyl Adipate, Di-octyl Adipate, Dioctyl Adipate Plasticizer, Di-n-Octyl Adipate Plasticizer, DOA Plasticizer, Adipate Plasticizer, Octyl Adipate Plasticizer, Di-n-Octyl Adipate Ester, Dioctyl Adipate Ester, Adipate Ester DOA, Flexible PVC Plasticizer, PVC Plasticizer DOA, Cold Resistant Plasticizer, Low Temperature Plasticizer, Di-n-Octyl Adipate Industrial Grade, Di-n-Octyl Adipate Technical Grade, Di-n-Octyl Adipate Chemical Grade, Di-n-Octyl Adipate High Purity, High Purity Di-n-Octyl Adipate, Di-n-Octyl Adipate Liquid, Di-n-Octyl Adipate Solvent, Di-n-Octyl Adipate Resin Plasticizer, Di-n-Octyl Adipate Rubber Plasticizer, Di-n-Octyl Adipate Synthetic Rubber Plasticizer, Di-n-Octyl Adipate Coating Additive, Di-n-Octyl Adipate Film Plasticizer, Di-n-Octyl Adipate Cable Plasticizer, Di-n-Octyl Adipate Leather Plasticizer, Di-n-Octyl Adipate Processing Aid, Di-n-Octyl Adipate Plasticizing Agent, Di-n-Octyl Adipate Softener, Di-n-Octyl Adipate Low Volatility Plasticizer
APPLICATIONS
Di-n-Octyl Adipate is used as a plasticizer in flexible PVC compounds to improve softness and flexibility.
Di-n-Octyl Adipate is incorporated into PVC films, sheets, and coated fabrics where cold flexibility and smooth handling are required.
Di-n-Octyl Adipate is used in low-temperature flexible PVC products where brittleness must be reduced during cold service.
Di-n-Octyl Adipate is used in wire and cable compounds to support low-temperature bend performance.
Di-n-Octyl Adipate is incorporated into cable insulation and jacketing systems in selected applications requiring flexible and durable polymer behavior.
Di-n-Octyl Adipate is used in flexible electrical materials where plasticizer compatibility and processing stability are important.
Di-n-Octyl Adipate is used in artificial leather and coated textile systems to improve softness, hand feel, and cold-crack resistance.
Di-n-Octyl Adipate is incorporated into PVC leather formulations for upholstery, footwear, bags, and decorative sheet materials.
Di-n-Octyl Adipate is used in flexible coated fabrics where softness and low-temperature flexibility are key performance targets.
Di-n-Octyl Adipate is used in rubber and elastomer systems as a plasticizer and processing aid.
Di-n-Octyl Adipate is incorporated into nitrile rubber, chlorinated rubber, and selected synthetic rubber systems to improve flexibility and processability.
Di-n-Octyl Adipate is used in gaskets, seals, hoses, and technical rubber goods requiring flexible performance.
Di-n-Octyl Adipate is used in coatings, inks, adhesives, and sealants in selected applications to improve flexibility, film formation, and softness.
Di-n-Octyl Adipate is incorporated into specialty polymer systems where low-temperature flexibility and ester plasticizer compatibility are desired.
Di-n-Octyl Adipate is valued because Di-n-Octyl Adipate provides efficient plasticization, improved cold flexibility, and broad usefulness in flexible PVC, rubber, coating, adhesive, and film applications.
Di-n-Octyl Adipate is used as a plasticizer in flexible PVC formulations.
Di-n-Octyl Adipate improves softness and flexibility in vinyl compounds.
Di-n-Octyl Adipate is used in low-temperature PVC applications.
Di-n-Octyl Adipate helps maintain flexibility under cold conditions.
Di-n-Octyl Adipate is used in wire and cable compounds.
Di-n-Octyl Adipate improves flexibility and processing behavior in insulation materials.
Di-n-Octyl Adipate is used in PVC film production.
Di-n-Octyl Adipate supports softness, clarity, and cold-crack resistance in flexible films.
Di-n-Octyl Adipate is used in food packaging films where regulations allow.
Di-n-Octyl Adipate helps provide flexible packaging materials with good low-temperature performance.
Di-n-Octyl Adipate is used in cling film formulations.
Di-n-Octyl Adipate supports stretch, softness, and handling properties in compatible films.
Di-n-Octyl Adipate is used in PVC sheet production.
Di-n-Octyl Adipate improves flexibility and impact resistance in soft vinyl sheets.
Di-n-Octyl Adipate is used in artificial leather formulations.
Di-n-Octyl Adipate helps provide softness and a flexible hand feel in coated fabrics.
Di-n-Octyl Adipate is used in coated textile applications.
Di-n-Octyl Adipate supports flexibility and cold resistance in fabric coatings.
Di-n-Octyl Adipate is used in hose and tubing compounds.
Di-n-Octyl Adipate improves bendability and low-temperature service performance.
Di-n-Octyl Adipate is used in gasket and seal formulations.
Di-n-Octyl Adipate helps maintain elastic sealing performance in cold environments.
Di-n-Octyl Adipate is used in automotive interior materials.
Di-n-Octyl Adipate improves softness and processing in selected vinyl components.
Di-n-Octyl Adipate is used in automotive underbody and protective coatings.
Di-n-Octyl Adipate supports flexibility in coatings exposed to vibration and temperature changes.
Di-n-Octyl Adipate is used in plastisol formulations.
Di-n-Octyl Adipate helps adjust viscosity, fusion behavior, and final flexibility.
Di-n-Octyl Adipate is used in vinyl flooring formulations.
Di-n-Octyl Adipate supports softness, resilience, and processing performance.
Di-n-Octyl Adipate is used in wall covering materials.
Di-n-Octyl Adipate helps provide flexible decorative vinyl layers.
Di-n-Octyl Adipate is used in synthetic rubber formulations.
Di-n-Octyl Adipate improves flexibility and processing behavior in compatible elastomers.
Di-n-Octyl Adipate is used in nitrile rubber compounds.
Di-n-Octyl Adipate supports low-temperature flexibility in selected rubber products.
Di-n-Octyl Adipate is used in polyurethane formulations.
Di-n-Octyl Adipate can improve softness and flexibility in compatible systems.
Di-n-Octyl Adipate is used in adhesive formulations.
Di-n-Octyl Adipate helps adjust flexibility and tack in selected adhesive systems.
Di-n-Octyl Adipate is used in sealant and caulk formulations.
Di-n-Octyl Adipate supports elastic performance and workability.
Di-n-Octyl Adipate is used in lacquer and coating formulations.
Di-n-Octyl Adipate improves film flexibility in compatible coating systems.
Di-n-Octyl Adipate is used in pigment dispersion systems.
Di-n-Octyl Adipate can help wet and disperse pigments in plasticized formulations.
Di-n-Octyl Adipate is used in specialty lubricant formulations.
Di-n-Octyl Adipate supports low-temperature fluidity in compatible lubricant systems.
Di-n-Octyl Adipate is used in polymer additive blends.
Di-n-Octyl Adipate helps balance flexibility, processability, and cold resistance.
Di-n-Octyl Adipate is used in research and development of plasticizer systems.
Di-n-Octyl Adipate supports testing of low-temperature performance in flexible polymer materials.
DESCRIPTION
Di-n-Octyl Adipate is a diester of adipic acid and n-octanol, and Di-n-Octyl Adipate belongs to the adipate plasticizer family.
Di-n-Octyl Adipate differs from di-2-ethylhexyl adipate because Di-n-Octyl Adipate contains linear n-octyl ester groups rather than branched 2-ethylhexyl groups.
Di-n-Octyl Adipate improves polymer flexibility by reducing intermolecular forces between polymer chains, which increases softness, elongation, and low-temperature performance.
Di-n-Octyl Adipate provides good compatibility with many PVC and elastomer formulations, but migration, extraction resistance, volatility, and permanence should be tested in the final product.
Di-n-Octyl Adipate can be blended with other plasticizers to balance cost, compatibility, softness, permanence, volatility, and cold flexibility.
Di-n-Octyl Adipate should be selected according to regulatory requirements because consumer, food-contact, toy, medical, and technical applications may require specific compliance documentation.
Di-n-Octyl Adipate is generally stable under normal storage conditions, but Di-n-Octyl Adipate should be protected from excessive heat, strong oxidizers, contamination, and prolonged air exposure.
Di-n-Octyl Adipate should be stored in tightly closed containers to maintain consistent acidity, color, odor, and ester quality.
Di-n-Octyl Adipate should be used according to supplier recommendations, polymer processing requirements, workplace safety standards, and applicable regulatory limits for the target market.
Di-n-Octyl Adipate is an adipate ester plasticizer.
Di-n-Octyl Adipate is the diester of adipic acid and n-octanol.
Di-n-Octyl Adipate is also known as di-n-octyl adipate.
Di-n-Octyl Adipate is typically supplied as a clear, colorless to pale yellow oily liquid.
Di-n-Octyl Adipate is valued for excellent low-temperature flexibility.
Di-n-Octyl Adipate has good compatibility with PVC and many flexible polymer systems.
Di-n-Octyl Adipate provides efficient plasticization in soft vinyl compounds.
Di-n-Octyl Adipate has useful solvency and compatibility with many plasticized resin systems.
Di-n-Octyl Adipate helps improve cold-crack resistance in films, sheets, hoses, and coated fabrics.
Di-n-Octyl Adipate can be blended with other plasticizers to balance performance and cost.
Di-n-Octyl Adipate performance depends on resin type, formulation design, processing conditions, and service temperature.
Di-n-Octyl Adipate is selected when flexibility at low temperatures is important.
Di-n-Octyl Adipate has useful volatility and extraction behavior for many flexible applications.
Di-n-Octyl Adipate may show lower permanence than some higher-molecular-weight specialty plasticizers in harsh service conditions.
PROPERTIES
Chemical Formula: C22H42O4
Molecular Weight: 370.57 g/mol
Common Name: Di-n-Octyl Adipate
Chemical Type: Adipate ester plasticizer; low-temperature plasticizer; flexible polymer additive
Appearance: Clear colorless to pale yellow oily liquid
Odor: Mild characteristic ester odor
Solubility: Practically insoluble in water; soluble in many organic solvents and compatible with many plasticized polymer systems
Density: Approximately 0.92–0.93 g/cm³ at 20°C
Boiling Point: High boiling, grade dependent
Flash Point: Typically above 190°C, grade dependent
Viscosity: Low to moderate oily liquid viscosity, temperature dependent
Volatility: Low to moderate, formulation dependent
Plasticizing Function: Provides softness, flexibility, processability, and cold resistance
Stability: Stable under recommended storage; protect from heat, oxidation, and contamination
Storage Temperature: 15–30°C, tightly closed, dry, well-ventilated
Shelf Life: Typically 12–36 months in original sealed packaging, supplier dependent
FIRST AID
Inhalation:
Move to fresh air if mist, aerosol, or heated vapors are inhaled.
Seek medical attention if respiratory irritation, coughing, headache, or discomfort persists.
Avoid breathing mist during spraying, heating, or high-temperature processing.
Skin Contact:
Wash skin with soap and water after contact.
Remove contaminated clothing if necessary and wash before reuse.
Seek medical advice if irritation, redness, or prolonged discomfort develops.
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.
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.
Monitor for gastrointestinal discomfort, aspiration risk if large amounts are ingested, or irritation from heated mist exposure.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves, safety glasses, and protective clothing for bulk handling.
Avoid splashing, prolonged skin contact, and inhalation of mist or heated vapors.
Use clean, dry equipment to prevent contamination and maintain consistent plasticizer quality.
Ventilation:
Use general ventilation for normal handling.
Use local exhaust ventilation where mist, aerosol, or heated vapors may be generated.
Provide adequate ventilation during high-temperature compounding, coating, or film-processing operations.
Storage:
Store in tightly closed containers in a cool, dry, well-ventilated area.
Protect from excessive heat, direct sunlight, moisture contamination, and prolonged air exposure.
Keep away from strong oxidizers, strong acids, strong bases, and incompatible reactive chemicals.
Spill and Leak Procedures:
Contain spill with inert absorbent and prevent entry into drains and waterways.
Collect into suitable containers for reuse or disposal according to local regulations and facility procedures.
Clean remaining residue promptly because oily liquid can create slipping hazards.
Handling Precautions:
Optimize dosage because Di-n-Octyl Adipate affects softness, cold flexibility, migration, volatility, and mechanical strength depending on formulation level.
Evaluate permanence because Di-n-Octyl Adipate may migrate or extract depending on polymer type, plasticizer level, and service environment.
Rotate stock using FIFO practices to maintain consistent color, acidity, odor, and plasticizing performance.
