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Chemical Name: Dioctyl Adipate
Common Synonyms: Di(2-ethylhexyl) adipate
CAS Number: 103-23-1
Physical Form: Clear, colorless to pale yellow oily liquid
Typical Uses: Found in flexible plastics, lubricants, hydraulic fluids, and sometimes food contact materials
Odor: Faint
Physical Hazards: Not highly flammable, but can release irritating fumes if heated to high temperatures
Health Risks: Eye and skin irritation can occur after prolonged contact
Inhalation Risks: Breathing in vapor or mists irritates respiratory passages
Environmental Impact: Large spills can cause long-term problems for aquatic animals
Overall GHS Classification: Not considered especially dangerous, but not without risks
Main Component: Dioctyl Adipate (about 99% or more by weight)
Chemical Formula: C22H42O4
Typical Impurities: Trace levels of other adipates or process byproducts, usually well below 1%
Skin Contact: Wash thoroughly with soap and clean water, remove contaminated clothing
Eye Contact: Rinse gently, use running water for at least fifteen minutes, seek medical attention if irritation holds on
Inhalation: Move to fresh air, help breathing if needed, medical help for persistent symptoms
Ingestion: Rinse mouth, do not induce vomiting unless directed by medical professionals, get help if large amounts swallowed
Suitable Extinguishers: Dry chemical, CO2, foam, or water spray handles most situations involving this liquid
Special Hazards: Burning creates hazardous fumes including carbon monoxide, carbon dioxide
PPE for Firefighters: Self-contained breathing apparatus and full gear provide solid defense against smoke and fumes
Advice for Fires Nearby: Cool containers with water even if not directly in flames, to avoid pressure buildup and possible rupture
Personal Protection: Gloves, protective eyewear, and good ventilation protect against splashes and vapor
Spill Containment: Stop further leakage, use absorbents like sand or earth for cleanup, shovel residue in suitable container
Environmental Precautions: Block entry to drains, surface waters or soil to cut down on environmental damage
Cleanup Methods: Clean accident spots thoroughly with industrial detergent and enough water
Safe Handling Tips: Wear protective gear, avoid breathing vapor or mist, keep away from food, drinks, and animal feed
Storage Conditions: Store indoors, keep container tightly closed, stow in cool, dry, well-ventilated space
Incompatibilities: Avoid strong oxidizers, acids, and bases to cut down on risky reactions
Bulk Transfer Precautions: Ground all body-contacted equipment to block static buildup
Exposure Limits: No official OSHA or ACGIH exposure standard exists, but sensible limits keep risk low
Engineering Controls: Local ventilation and splash guards
Personal Protection: Gloves, chemical goggles, protective clothing
Respiratory Protection: Dust mask or respirator in poorly ventilated areas or with high concentrations
Appearance: Oily liquid, color ranges from clear to pale yellow
Odor: Faint, not pungent
Boiling Point: About 214°C at low pressure
Melting Point: Minus 67°C
Flash Point: Typically 216°C
Solubility: Hardly mixes with water, dissolves in most common organic solvents
Vapor Pressure: Low at room temperature
Viscosity: Slightly thicker than water
Chemical Stability: Stays steady under normal storage and use
Possible Reactions: May react with strong oxidizers producing heat and hazardous byproducts
Thermal Decomposition: Creates fumes like carbon monoxide, carbon dioxide at high heat
Conditions to Avoid: Excessive heat, open flames, long exposure to strong sunlight
Acute Exposure: Swallowing large quantities can upset stomach and intestines, but single exposures rarely cause serious harm in adults
Repeated or Long-Term Exposure: Skin dryness, respiratory irritation, possible mild organ impact with chronic, high-dose contact
Sensitization: Not known to cause allergic skin reactions
Carcinogenicity: Not listed as cancer-causing by EPA, IARC, or NTP
Aquatic Toxicity: May harm fish and water insects at high concentrations
Persistence: Breaks down slowly in the environment, especially in water
Bioaccumulation: Unlikely in most wildlife species
Soil Effects: Spills can gum up natural soil structure if not handled
Waste Disposal: Follow federal and local regulations, take liquid to regulated chemical disposal or incinerator
Container Recycling: Wash and reuse if safe, or discard as hazardous waste
Environmental Precautions: Do not dump in sewers, rivers, or surface landfills without treatment approval
UN Number: Not classified as dangerous for transport based on most regulations
Proper Shipping Name: Dioctyl Adipate
Packing Group: Usually not assigned due to low hazard status
Special Handling: Avoid heavy impact, keep drums and bulk tanks upright and sealed to avoid leaks
Inventory Listings: Found on major inventories such as TSCA, EINECS, and similar
Occupational Exposure: Not covered by specific workplace exposure limits in North America or Europe
Hazard Communication: Label with hazard pictograms only if local law requires
Environment: Listed as non-dangerous but signals may be required for bulk shipments to protect waterways
