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Dioctyl Adipate (DOA)
$ 1.00
Dioctyl Adipate (DOA) is a clear, colorless, oily liquid that acts as a highly efficient, cold-resistant plasticizer. It is an organic compound produced from the reaction of adipic acid with 2-ethylhexanol. DOA is known for imparting excellent low-temperature flexibility and good lubricity to polymer systems. It is insoluble in water but dissolves readily in organic solvents. Technical grade Dioctyl Adipate is manufactured for industrial applications including plastic and rubber processing, coatings, and lubricants.
Dioctyl Adipate (DOA)
Primary Uses
1. Plastics and Polymer Manufacturing Chemicals
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Primary plasticizer for polyvinyl chloride (PVC) applications requiring superior low-temperature flexibility including freezer films, refrigerator gaskets, and outdoor cables
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Used in food-grade PVC films, wraps, and food contact materials where low migration and low toxicity are required
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Applied in medical grade PVC products including blood bags, IV tubing, and medical gloves
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Used in plastisol formulations for dip molding, slush molding, and rotational molding applications
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Added to polyvinyl butyral (PVB) interlayers for laminated safety glass
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Used in cellulose acetate and other polar polymer systems as a processing aid
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Applied in polymer dispersions and emulsion formulations
2. Rubber Processing Chemicals
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Softener and plasticizer for synthetic rubbers including nitrile rubber (NBR), chloroprene rubber (CR), and styrene-butadiene rubber (SBR)
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Used in low-temperature rubber compounds for automotive seals, gaskets, and hoses
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Applied in rubber footwear and soling compounds for improved flexibility at cold temperatures
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Used in rubber rollers, belts, and industrial rubber goods requiring low-temperature performance
3. Specialty and Fine Chemicals
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Used as a lubricant base oil and viscosity modifier in industrial lubricant formulations
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Applied as a low-temperature hydraulic fluid additive for cold weather operations
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Used in refrigeration compressor oils as a base fluid
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Added to metalworking fluids and cutting oils as a lubricity additive
4. Adhesives and Sealants
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Used as a plasticizer in pressure sensitive adhesives (PSAs) for tapes, labels, and decals
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Applied in contact adhesives and construction adhesives requiring low-temperature flexibility
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Used in sealants for automotive, building, and industrial applications
5. Paints and Coatings Chemicals
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Used as a coalescing agent and film-forming aid in water-based coating formulations
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Applied as a plasticizer in nitrocellulose lacquers and coatings
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Used in automotive refinish paints and industrial coatings
Secondary Uses
1. Inks and Printing Products
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Used as a plasticizer in flexographic and gravure printing inks for improved film flexibility
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Applied in screen printing inks for textiles and industrial applications
2. Cosmetic and Personal Care Chemicals
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Used as a plasticizer and film former in nail polish, nail lacquer, and hairspray formulations
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Applied as an emollient and spreading agent in creams, lotions, and sunscreens
3. Textile Chemicals
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Used as a lubricant and softening agent in textile fiber processing and finishing
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Applied in synthetic fiber spinning formulations as a drawing lubricant
4. Wire and Cable Industry
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Used in low-temperature wire and cable insulation compounds for cold weather applications
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Applied in flexible cord jackets, appliance wiring, and automotive cables
5. Automotive Industry
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Used in automotive interior components including dashboards, door panels, and seating requiring cold flexibility
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Applied in weatherstripping, window seals, and hose compounds
6. Packaging Industry
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Used in flexible packaging films for frozen food storage and cold chain applications
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Applied in shrink wrap, stretch film, and food packaging films
1. Basic Identification Attributes
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Chemical Name (IUPAC): Bis(2-ethylhexyl) hexanedioate
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Common/Trade Name: Dioctyl Adipate; DOA; DEHA; Adipic acid dioctyl ester
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CAS Number: 103-23-1
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HS Code: 2917.12
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EINECS Number: 203-090-1
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Molecular Formula: C₂₂H₄₂O₄
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Molecular Weight: 370.57 g/mol
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Synonyms: Bis(2-ethylhexyl) adipate, DEHA, Adipol 2EH, BEHA, Di(2-ethylhexyl) adipate
2. Physical & Chemical Properties
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Physical State: Clear, oily liquid
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Color: Colorless to pale yellow
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Odor: Mild, characteristic odor
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Purity: 99.0% to 99.5% typical
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Acid Value: 0.1 mg KOH/g maximum
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Water Content: 0.1% maximum
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Boiling Point: 214°C at 5 mmHg; 335°C to 400°C at atmospheric pressure
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Melting Point: -67°C to -70°C
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Flash Point: 193°C to 196°C (closed cup)
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Fire Point: 217°C
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Density: 0.924 to 0.928 g/cm³ at 20°C
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Viscosity: 12 to 15 cP at 25°C
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Refractive Index: 1.446 to 1.448 at 20°C
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Solubility: Insoluble in water; soluble in most organic solvents including alcohols, ketones, esters, and hydrocarbons
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Evaporation Rate: Very slow (negligible at room temperature)
3. Safety & Hazard Attributes
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GHS Classification: Not classified as hazardous under normal conditions of use
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Toxicity: Low acute toxicity; LD₅₀ oral rat > 3,000 mg/kg
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Irritation: May cause mild eye and skin irritation
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Flammability: Combustible liquid (but high flash point)
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Environmental: Low aquatic toxicity
4. Storage & Handling Attributes
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Storage Conditions: Store in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly closed. Protect from moisture.
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Container Type: Steel drums, IBC totes, bulk tankers, or HDPE containers
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Shelf Life: 24 months when stored under recommended conditions
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Handling Precautions: Avoid contact with eyes and skin; use with adequate ventilation; avoid breathing mists or vapors; wash hands thoroughly after handling
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Storage Measures: Keep away from strong oxidizing agents and strong acids; protect from moisture ingress; maintain moderate temperature conditions
5. Regulatory & Compliance Attributes
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Regulatory Status:
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FDA: Approved for food contact applications under 21 CFR 175.105, 175.300, 176.170, 177.1210, 177.2600, 178.3740
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EU: Compliant with food contact regulations (EU 10/2011)
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TSCA (USA): Listed
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DSL (Canada): Listed
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EINECS: 203-090-1
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REACH: Registered for industrial use
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Swiss Ordinance: Compliant with food contact requirements
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Labeling Requirements: Standard industrial chemical labeling; food grade requires specific certification
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Use Restrictions: Not for direct human consumption; specific migration limits apply for food contact applications
6. Environmental & Health Impact
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Biodegradability: Readily biodegradable (OECD 301)
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Ecotoxicity: Low toxicity to aquatic organisms
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Bioaccumulation: Low potential for bioaccumulation
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VOC Status: Low volatility; not classified as VOC in most jurisdictions
1. Safety Handling Precautions
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PPE Required: Safety glasses or chemical goggles; chemical-resistant gloves (nitrile recommended); protective clothing; use respiratory protection if mists are generated
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Handling Guidelines: Use in well-ventilated areas; avoid generating mists or aerosols; do not eat, drink, or smoke in handling areas; wash hands thoroughly after handling; remove contaminated clothing and launder before reuse
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Storage Measures: Store in original, labeled containers with tight-fitting lids; secondary containment recommended for bulk storage; keep away from strong oxidizing agents
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Hygiene Practices: Wash hands thoroughly after handling; shower at the end of each work shift
2. First Aid Measures
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Inhalation: Move a person to fresh air. If breathing is difficult, administer oxygen. Seek medical attention if symptoms persist.
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Skin Contact: Wash skin with plenty of soap and water. Remove contaminated clothing. Seek medical attention if irritation develops.
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Eye Contact: Rinse cautiously with lukewarm, gently flowing water for at least fifteen minutes while holding eyelids open. Remove contact lenses if present. Seek medical attention if irritation persists.
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Ingestion: Rinse mouth thoroughly with water. Do NOT induce vomiting. Seek medical attention if large quantities are swallowed.
3. Firefighting Measures
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Fire Hazards: Combustible liquid. May evolve toxic fumes including carbon monoxide and carbon dioxide when heated to decomposition.
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Flash Point: 193°C to 196°C (closed cup)
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Extinguishing Media: Use water spray, fog, or mist; alcohol-resistant foam; dry chemical; carbon dioxide. Water spray is preferred for cooling containers.
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Special Firefighting Procedures: Wear full protective clothing and self-contained breathing apparatus (SCBA); use water spray to cool exposed containers; contain firefighting runoff to prevent environmental contamination
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Hazardous Combustion Products: Carbon monoxide, carbon dioxide, acrid smoke and fumes
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