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Dioctyl Adipate (DOA) is an adipate ester plasticizer used in PVC, rubber, synthetic leather, films, cables, coatings, adhesives, and specialty polymer systems, and Dioctyl Adipate (DOA) is valued for excellent low-temperature flexibility, good plasticizing efficiency, and improved softness in finished materials.
Dioctyl Adipate (DOA) is commonly used in flexible PVC products where cold resistance, softness, and durability are required, and Dioctyl Adipate (DOA) is often selected for films, hoses, gaskets, wire and cable compounds, artificial leather, coated fabrics, and cold-resistant polymer goods.
Dioctyl Adipate (DOA) is typically supplied as a clear, colorless to pale yellow oily liquid, and Dioctyl Adipate (DOA) performance depends on purity, ester value, acidity, volatility, resin compatibility, dosage, processing temperature, migration behavior, and regulatory requirements.
CAS Number: 103-23-1
EC Number: 203-090-1
Molecular Formula: C22H42O4
Molecular Weight: 370.57 g/mol
Synonyms: Dioctyl Adipate (DOA), Dioctyl Adipate, DOA, Di-2-Ethylhexyl Adipate, Bis(2-Ethylhexyl) Adipate, DEHA, Adipic Acid Dioctyl Ester, Adipic Acid Bis(2-Ethylhexyl) Ester, 2-Ethylhexyl Adipate, Flexible PVC Plasticizer, Cold-Resistant Plasticizer, Low Temperature Plasticizer, Dioctyl Adipate (DOA), Dioctyl Adipate, DOA, Di-octyl Adipate, Di Octyl Adipate, Bis(2-ethylhexyl) Adipate, Di(2-ethylhexyl) Adipate, DEHA, Diethylhexyl Adipate, Bis(2-ethylhexyl) Hexanedioate, Di(2-ethylhexyl) Hexanedioate, Hexanedioic Acid Bis(2-ethylhexyl) Ester, Adipic Acid Dioctyl Ester, Adipic Acid Di(2-ethylhexyl) Ester, Adipic Acid Bis(2-ethylhexyl) Ester, Dioctyl Adipate Plasticizer, DOA Plasticizer, Octyl Adipate Plasticizer, Adipate Plasticizer DOA, Dioctyl Adipate Ester, Adipate Ester DOA, Flexible PVC Plasticizer DOA, PVC Plasticizer DOA, Cold Resistant Plasticizer DOA, Low Temperature Plasticizer DOA, Dioctyl Adipate Industrial Grade, Dioctyl Adipate Technical Grade, Dioctyl Adipate Chemical Grade, Dioctyl Adipate High Purity, High Purity Dioctyl Adipate, Dioctyl Adipate Liquid, Dioctyl Adipate Solvent, Dioctyl Adipate Resin Plasticizer, Dioctyl Adipate Rubber Plasticizer, Dioctyl Adipate Synthetic Rubber Plasticizer, Dioctyl Adipate Coating Additive, Dioctyl Adipate Film Plasticizer, Dioctyl Adipate Cable Plasticizer, Dioctyl Adipate Leather Plasticizer, Dioctyl Adipate Processing Aid, Dioctyl Adipate Plasticizing Agent, Dioctyl Adipate Softener, Dioctyl Adipate Low Volatility Plasticizer
APPLICATIONS
Dioctyl Adipate (DOA) is used as a plasticizer in flexible PVC compounds to improve softness and flexibility.
Dioctyl Adipate (DOA) is incorporated into PVC films and sheets to provide excellent low-temperature performance.
Dioctyl Adipate (DOA) is used in cold-resistant PVC products where flexibility must be maintained under low-temperature conditions.
Dioctyl Adipate (DOA) is used in food-contact films and packaging materials in selected regulated applications.
Dioctyl Adipate (DOA) is incorporated into cling films and flexible packaging where softness, clarity, and handling performance are important.
Dioctyl Adipate (DOA) is used in polymer films where good plasticizer efficiency and low-temperature flexibility are required.
Dioctyl Adipate (DOA) is used in wire and cable compounds to improve flexibility and cold resistance.
Dioctyl Adipate (DOA) is incorporated into cable insulation and jacketing compounds in selected applications requiring low-temperature bend performance.
Dioctyl Adipate (DOA) is used in flexible electrical materials where plasticizer compatibility and durability are important.
Dioctyl Adipate (DOA) is used in artificial leather and coated fabric systems to improve softness, touch, and flexibility.
Dioctyl Adipate (DOA) is incorporated into PVC leather formulations where cold-crack resistance and soft hand feel are desired.
Dioctyl Adipate (DOA) is used in upholstery, footwear, bags, and decorative flexible sheet materials.
Dioctyl Adipate (DOA) is used in rubber and elastomer systems as a low-temperature plasticizer and processing aid.
Dioctyl Adipate (DOA) is incorporated into nitrile rubber, chlorinated rubber, and selected synthetic rubber formulations to improve flexibility and processing behavior.
Dioctyl Adipate (DOA) is valued because Dioctyl Adipate (DOA) provides efficient plasticization, cold flexibility, softness, and compatibility across many flexible polymer applications.
Dioctyl Adipate (DOA) is used as a plasticizer in flexible PVC formulations.
Dioctyl Adipate (DOA) improves softness and flexibility in vinyl compounds.
Dioctyl Adipate (DOA) is used in low-temperature PVC applications.
Dioctyl Adipate (DOA) helps maintain flexibility under cold conditions.
Dioctyl Adipate (DOA) is used in wire and cable compounds.
Dioctyl Adipate (DOA) improves flexibility and processing behavior in insulation materials.
Dioctyl Adipate (DOA) is used in PVC film production.
Dioctyl Adipate (DOA) supports softness, clarity, and cold-crack resistance in flexible films.
Dioctyl Adipate (DOA) is used in food packaging films where regulations allow.
Dioctyl Adipate (DOA) helps provide flexible packaging materials with good low-temperature performance.
Dioctyl Adipate (DOA) is used in cling film formulations.
Dioctyl Adipate (DOA) supports stretch, softness, and handling properties in compatible films.
Dioctyl Adipate (DOA) is used in PVC sheet production.
Dioctyl Adipate (DOA) improves flexibility and impact resistance in soft vinyl sheets.
Dioctyl Adipate (DOA) is used in artificial leather formulations.
Dioctyl Adipate (DOA) helps provide softness and a flexible hand feel in coated fabrics.
Dioctyl Adipate (DOA) is used in coated textile applications.
Dioctyl Adipate (DOA) supports flexibility and cold resistance in fabric coatings.
Dioctyl Adipate (DOA) is used in hose and tubing compounds.
Dioctyl Adipate (DOA) improves bendability and low-temperature service performance.
Dioctyl Adipate (DOA) is used in gasket and seal formulations.
Dioctyl Adipate (DOA) helps maintain elastic sealing performance in cold environments.
Dioctyl Adipate (DOA) is used in automotive interior materials.
Dioctyl Adipate (DOA) improves softness and processing in selected vinyl components.
Dioctyl Adipate (DOA) is used in automotive underbody and protective coatings.
Dioctyl Adipate (DOA) supports flexibility in coatings exposed to vibration and temperature changes.
Dioctyl Adipate (DOA) is used in plastisol formulations.
Dioctyl Adipate (DOA) helps adjust viscosity, fusion behavior, and final flexibility.
Dioctyl Adipate (DOA) is used in vinyl flooring formulations.
Dioctyl Adipate (DOA) supports softness, resilience, and processing performance.
Dioctyl Adipate (DOA) is used in wall covering materials.
Dioctyl Adipate (DOA) helps provide flexible decorative vinyl layers.
Dioctyl Adipate (DOA) is used in synthetic rubber formulations.
Dioctyl Adipate (DOA) improves flexibility and processing behavior in compatible elastomers.
Dioctyl Adipate (DOA) is used in nitrile rubber compounds.
Dioctyl Adipate (DOA) supports low-temperature flexibility in selected rubber products.
Dioctyl Adipate (DOA) is used in polyurethane formulations.
Dioctyl Adipate (DOA) can improve softness and flexibility in compatible systems.
Dioctyl Adipate (DOA) is used in adhesive formulations.
Dioctyl Adipate (DOA) helps adjust flexibility and tack in selected adhesive systems.
Dioctyl Adipate (DOA) is used in sealant and caulk formulations.
Dioctyl Adipate (DOA) supports elastic performance and workability.
Dioctyl Adipate (DOA) is used in lacquer and coating formulations.
Dioctyl Adipate (DOA) improves film flexibility in compatible coating systems.
Dioctyl Adipate (DOA) is used in pigment dispersion systems.
Dioctyl Adipate (DOA) can help wet and disperse pigments in plasticized formulations.
Dioctyl Adipate (DOA) is used in specialty lubricant formulations.
Dioctyl Adipate (DOA) supports low-temperature fluidity in compatible lubricant systems.
Dioctyl Adipate (DOA) is used in polymer additive blends.
Dioctyl Adipate (DOA) helps balance flexibility, processability, and cold resistance.
Dioctyl Adipate (DOA) is used in research and development of plasticizer systems.
Dioctyl Adipate (DOA) supports testing of low-temperature performance in flexible polymer materials.
Dioctyl Adipate (DOA) is used in applications requiring a cold-resistant plasticizer.
Dioctyl Adipate (DOA) supports flexible PVC, rubber, coatings, adhesives, and specialty polymer formulations.
Dioctyl Adipate (DOA) helps improve cold-crack resistance in films, sheets, hoses, and coated fabrics.
Dioctyl Adipate (DOA) can be blended with phthalate or non-phthalate plasticizers to balance performance.
Dioctyl Adipate (DOA) performance depends on resin type, formulation design, processing conditions, and service temperature.
Dioctyl Adipate (DOA) is selected when flexibility at low temperatures is important.
Dioctyl Adipate (DOA) has relatively good volatility and extraction characteristics for many flexible applications.
Dioctyl Adipate (DOA) may show lower permanence than some higher-molecular-weight plasticizers in demanding conditions.
Dioctyl Adipate (DOA) quality may be defined by color, acidity, ester content, moisture, and volatility.
Dioctyl Adipate (DOA) should be stored in tightly closed containers.
Dioctyl Adipate (DOA) should be protected from excessive heat, moisture, and contamination.
Dioctyl Adipate (DOA) should be handled with standard industrial hygiene practices.
Dioctyl Adipate (DOA) should be used according to supplier safety data and applicable regulations.
Dioctyl Adipate (DOA) may irritate eyes or skin depending on exposure conditions.
DESCRIPTION
Dioctyl Adipate (DOA) is an ester of adipic acid and octyl alcohol isomers, and commercial Dioctyl Adipate (DOA) commonly refers to di-2-ethylhexyl adipate.
Dioctyl Adipate (DOA) belongs to the adipate plasticizer family and is widely used where low-temperature flexibility is more important than maximum permanence.
Dioctyl Adipate (DOA) provides better cold flexibility than many general-purpose plasticizers, making Dioctyl Adipate (DOA) useful in cold-resistant PVC and rubber products.
Dioctyl Adipate (DOA) works by spacing polymer chains and reducing intermolecular forces, which increases flexibility, softness, elongation, and processability.
Dioctyl Adipate (DOA) has good compatibility with PVC and many elastomers, but migration, extraction resistance, volatility, and long-term permanence should be evaluated in the final formulation.
Dioctyl Adipate (DOA) can be blended with other plasticizers such as phthalates, terephthalates, trimellitates, citrates, or polymeric plasticizers to balance cost, permanence, softness, and cold flexibility.
Dioctyl Adipate (DOA) should be selected according to regulatory requirements because food-contact, toy, medical, and consumer product applications may require specific compliance documentation.
Dioctyl Adipate (DOA) is generally stable under normal storage conditions, but Dioctyl Adipate (DOA) should be protected from excessive heat, strong oxidizers, contamination, and prolonged exposure to air.
Dioctyl Adipate (DOA) should be stored in tightly closed containers to prevent contamination and maintain consistent acidity, color, and ester quality.
Dioctyl Adipate (DOA) is an adipate ester plasticizer.
Dioctyl Adipate (DOA) is commonly known as dioctyl adipate.
Dioctyl Adipate (DOA) is also described as bis(2-ethylhexyl) adipate in many technical contexts.
Dioctyl Adipate (DOA) is typically supplied as a clear, colorless to pale yellow oily liquid.
Dioctyl Adipate (DOA) is valued for excellent low-temperature flexibility.
Dioctyl Adipate (DOA) has good compatibility with PVC and many flexible polymer systems.
Dioctyl Adipate (DOA) provides efficient plasticization in soft vinyl compounds.
Dioctyl Adipate (DOA) has lower viscosity than many high-molecular-weight specialty plasticizers.
PROPERTIES
Chemical Formula: C22H42O4
Molecular Weight: 370.57 g/mol
Common Name: Dioctyl Adipate (DOA)
Chemical Type: Adipate ester plasticizer; low-temperature plasticizer; flexible PVC plasticizer
Appearance: Clear colorless to pale yellow oily liquid
Odor: Mild characteristic ester odor
Solubility: Insoluble or 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; typically above 200°C under reduced pressure or decomposition conditions
Flash Point: Typically above 190°C, grade dependent
Viscosity: Low to moderate oily liquid viscosity, temperature dependent
Volatility: Low to moderate; lower permanence than some high-molecular-weight plasticizers
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 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 Dioctyl Adipate (DOA) affects softness, cold flexibility, migration, volatility, and mechanical strength depending on formulation level.
Evaluate permanence because Dioctyl Adipate (DOA) may migrate or extract more readily than some higher-molecular-weight plasticizers in demanding applications.
Rotate stock using FIFO practices to maintain consistent color, acidity, odor, and plasticizing performance.
