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Product Name: Ethyl Butyl Carbonate
Chemical Formula: C7H14O3
Synonyms: Ethyl n-butyl carbonate, Carbonic acid ethyl n-butyl ester
CAS Number: 66762-78-9
Recommended Use: Solvent in coatings, chemical synthesis
Supplier Details: Provided by manufacturer or distributor as per purchase reference
Emergency Contact: Local emergency telephone number or poison center
GHS Classification: Flammable liquids, Category 3; Eye irritation, Category 2; Skin irritation, Category 2
Hazard Statements: Flammable liquid and vapor; Causes skin and eye irritation; May cause respiratory tract irritation
Pictograms: Flame; Exclamation mark
Signal Word: Warning
Precautionary Statements: Keep away from heat, sparks, open flames; Wear protective gloves, protective clothing, and eye protection; Avoid breathing vapor or mist; Wash hands thoroughly after handling
Chemical Name: Ethyl Butyl Carbonate
Concentration: >98%
Impurities: Trace amounts of related carbonates or alcohols possible due to synthesis process, but not expected at hazardous concentrations
CAS Registry Numbers: Major component: 66762-78-9; Astute users might see minor constituents vary batch to batch
Inhalation: Move person to fresh air; Keep comfortable for breathing; Seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing; Wash exposed area with plenty of water and mild soap; If irritation persists, consult a physician
Eye Contact: Rinse cautiously with water for several minutes, holding eyelids open; Remove contact lenses; Seek medical advice if irritation continues
Ingestion: Rinse mouth thoroughly; Give water in small sips; Never give anything by mouth if person is losing consciousness; Medical assessment recommended
Note for Medical Personnel: Treat symptomatically; Monitor for signs of respiratory irritation or sensitization
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical powder, carbon dioxide; Use water spray to cool container and surroundings
Unsuitable Extinguishing Media: Direct stream of water may spread burning liquid
Specific Hazards: Vapor may travel toward ignition source and flash back; Containers can rupture in heat of fire
Hazardous Combustion Products: Carbon oxides (CO, CO2), possibly toxic gases and vapors
Advice for Firefighters: Wear full protective gear and self-contained breathing apparatus; Approach from upwind to avoid hazardous vapors
Personal Precautions: Evacuate area; Remove sources of ignition; Wear protective gloves, goggles, and suitable clothing
Environmental Precautions: Prevent material from entering sewers or waterways; Alert appropriate authorities for significant spills
Cleanup Methods: Absorb with non-combustible material like sand or earth; Place collected material in tightly closed containers for disposal
Decontamination: Wash spill area thoroughly with water after cleanup; Ensure adequate ventilation throughout process
Handling: Use in well-ventilated area; Avoid inhalation of vapor; Prevent static discharge by grounding equipment; Do not eat, drink, or smoke while handling
Storage: Store in tightly closed containers in a cool, dry, well-ventilated place; Keep away from heat, open flames, oxidizing agents, and strong acids or bases;
Incompatibilities: Avoid contact with strong oxidizers, acids, or reactive chemical groups; Prevent prolonged exposure to direct sunlight
Engineering Controls: Local exhaust ventilation recommended; Use explosion-proof equipment where flammable vapors could accumulate
Occupational Exposure Limits: No occupational limits specifically established for Ethyl Butyl Carbonate; Observe limits for volatile organic compounds, such as those set by OSHA or ACGIH
Protective Equipment: Safety eyewear (goggles); Impermeable gloves (nitrile or chemical-resistant type); Protective clothing to prevent skin contact; Suitable respiratory protection for high vapor concentrations or poor ventilation
Appearance: Colorless liquid
Odor: Mild, ester-like odor
Odor Threshold: Not readily available
pH: Not applicable (neutral liquid)
Melting Point: -20 to -10 °C (approximate)
Boiling Point: 140–150 °C
Flash Point: 47–51 °C (closed cup)
Evaporation Rate: Moderate (relative to water)
Flammability: Flammable liquid
Vapor Pressure: 2–6 mmHg at 20°C
Vapor Density: Heavier than air (est. 4–5)
Relative Density: 0.96–0.98 (water = 1)
Solubility: Slightly soluble in water; miscible with common organic solvents
Partition Coefficient: log Kow expected >1
Autoignition Temperature: >200 °C
Decomposition Temperature: Above 180 °C
Chemical Stability: Remains stable under recommended storage and use
Reactivity: Avoid contact with strong acids or oxidizers; Can react vigorously under inappropriate conditions
Hazardous Reactions: May react with strong bases or oxidizing substances to form heat and pressure
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, smaller amounts of other organic vapors
Conditions to Avoid: Heat, flames, sparks, incompatible materials, prolonged sunlight exposure
Acute Toxicity: Data on oral and dermal toxicity limited; Single exposure unlikely to be fatal but may be irritating
Skin Corrosion/Irritation: Can cause reddening, dryness, or mild burning on contact
Eye Damage/Irritation: Vapors or liquid contact may irritate or inflame tissue
Respiratory Effects: Vapors may irritate nose, throat, or lungs
Long-Term Effects: Extended or repeated exposure could dry skin; No strong evidence of carcinogenicity, mutagenicity, or reproductive toxicity
Sensitization: Rare, but repeated exposure may lead to sensitivity in predisposed individuals
Ecotoxicity: Data limited; Expected to have moderate toxicity to aquatic life if released in significant quantities
Persistence and Degradability: Breaks down in environment through hydrolysis and microbial activity over weeks to months
Bioaccumulation: Not expected to accumulate significantly in aquatic organisms
Mobility in Soil: Mobility moderate due to water solubility; Can migrate, especially in spills
Other Adverse Effects: Releases to waterways should be minimized; Not known to cause persistent environmental hazard if managed responsibly
Waste Disposal Methods: Treat as hazardous waste; Dispose of through licensed chemical waste contractor; Burn in an approved incinerator or send to regulated landfill as permitted by local regulations
Contaminated Packaging: Cleaned containers may be reused or recycled where regulations allow; Otherwise, dispose of as hazardous waste
RCRA Status: Not specifically listed, but mixtures or residues may be regulated depending on composition and use
UN Number: 1993
Proper Shipping Name: Flammable Liquid, N.O.S. (Ethyl Butyl Carbonate)
Transport Hazard Class: 3 (Flammable liquids)
Packing Group: III
Marine Pollutant: Not classified under IMDG
Special Precautions: Avoid direct sunlight, ensure containers remain upright and undamaged during transport; Follow all applicable national and international regulations
OSHA: Not specifically regulated as a unique substance; General hazardous chemical handling provisions apply
TSCA (US): Listed
EU (REACH): Subject to pre-registration or full registration obligation depending on quantity imported or manufactured
SARA Title III: Not listed as an Extremely Hazardous Substance; Not subject to Section 313 reporting
California Proposition 65: Not listed
WHMIS (Canada): Classified as flammable liquid and irritant; Requires appropriate workplace labeling and training
Other local regulations: Always check regional requirements regarding flammables and solvents
