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Common Name: Di-N-Butyl Adipate
Chemical Formula: C14H26O4
Synonyms: Dibutyl adipate, Adipic acid dibutyl ester
Appearance: Clear, oily liquid
Odor: Mild, ester-like
Uses: Used mainly as a plasticizer in polymer applications and in personal care products as an emollient.
Health Hazards: Can cause minor skin and eye irritation; swallowing large amounts or inhaling vapor at high concentrations could irritate the gastrointestinal tract or respiratory system.
Fire Hazard: Can burn if exposed to a strong ignition source; produces irritating and potentially toxic gases on combustion.
Environmental Hazards: Moderate environmental persistence; risk to aquatic environments if spilled in large quantities.
Main Ingredient: Di-N-Butyl Adipate—concentration usually above 98%.
Impurities: Trace amounts of related esters or byproducts; these rarely exceed 1%.
Skin Contact: Wash with soap and plenty of water; remove contaminated clothing.
Eye Contact: Rinse cautiously with clean water for several minutes; hold eyelids open for thorough flushing.
Inhalation: Move to fresh air; seek medical advice if symptoms such as coughing or shortness of breath persist.
Ingestion: Rinse mouth; drink water to dilute; seek medical attention only if feeling unwell or if exposure was significant.
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide.
Special Precautions: Firefighters should wear self-contained breathing apparatus; combustion can release carbon monoxide, carbon dioxide, and irritant fumes.
Hazardous Combustion Products: Carbon oxides and unidentified organic compounds.
Personal Precautions: Ventilate the area; use appropriate protective gear to prevent skin or eye contact.
Containment: Prevent from entering drains or waterways.
Cleaning Up: Absorb with inert material like sand or earth, then collect and dispose using approved waste containers.
Handling: Avoid contact with skin and eyes; prevent inhalation of vapor or mist; use only with adequate ventilation; wash thoroughly after handling.
Storage: Keep in tightly closed containers, away from heat sources, sparks, or open flames; store in a cool, well-ventilated place.
Engineering Controls: Provide good general ventilation; local exhaust recommended where vapor or mist could build up.
Personal Protection: Use chemical-resistant gloves, safety glasses, and suitable protective clothing; a respirator comes in handy for high-vapor situations.
Boiling Point: Around 340°C
Melting Point: -54°C
Flash Point: 194°C
Solubility: Low in water, high in most organic solvents
Density: Approximately 0.99 g/cm³
Vapor Pressure: Low at room temperature
Viscosity: Moderately viscous oil
Stability: Chemically stable under normal conditions of use and storage.
Incompatible Materials: Strong oxidizers; may react with acids or bases, especially under heating.
Hazardous Reactions: Risk of flammable vapor buildup if heated excessively.
Decomposition Products: Mainly carbon monoxide, carbon dioxide, and other organic compounds under fire conditions.
Acute Toxicity: Low toxicity in single-dose studies; large quantities might irritate gastrointestinal track.
Chronic Effects: No clear evidence of carcinogenic or reproductive toxicity in available studies; repeated overexposure can dry or irritate skin.
Sensitization: Uncommon, but possible in sensitive individuals.
Aquatic Impact: Can cause harmful effects on aquatic life in concentrated spills.
Persistence and Degradability: Slowly biodegradable; breaking down via microbes in soil and water.
Bioaccumulation: Does not tend to bioaccumulate significantly.
Soil Mobility: Moderate movement expected, but breaks down gradually in soil.
Disposal Methods: Send waste to licensed chemical disposal facilities; do not pour into drains, surface water, or soil.
Container Disposal: Triple rinse empty containers and dispose according to local, state, or national regulations.
UN Classification: Not classified as hazardous for transport purposes under most shipping regulations.
Shipping Precautions: Avoid exposure to extreme heat or rough handling that might rupture containers.
Occupational Exposure Limits: No established limits in many jurisdictions, but standard workplace hygiene practices apply.
Environmental Status: Subject to regulations on chemical safety and environmental protection, particularly regarding waste disposal.
Labeling Requirements: Must meet general chemical labeling rules, highlighting potential irritation and environmental risks.
