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Product Name: Ethyl Butyl Acetate
Chemical Formula: C8H16O2
Synonyms: Butyl ethanoate, Butyl acetate, Butylacetic acid ethyl ester
CAS Number: 105-54-4
Recommended Use: Solvent in paints, coatings, inks, fragrances
Manufacturer Details: [Company information required]
Emergency Contact: [Emergency number required]
UN Number: 1123
Hazard Classification: Flammable liquid (Category 3), Eye irritation (Category 2A), Specific target organ toxicity – single exposure (Category 3)
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor. May cause drowsiness or dizziness. Causes serious eye irritation.
Precautionary Statements: Keep away from heat, sparks, open flames. Avoid breathing vapors. Wear eye protection.
Label Elements: NFPA rating: Health 1, Flammability 3, Reactivity 0.
Other Hazards: Vapors may form explosive mixtures with air. Exposure limits set by OSHA and ACGIH.
Substance: Ethyl Butyl Acetate
CAS Number: 105-54-4
Concentration: >95% by weight
Impurities: None relevant for hazard classification
EC Number: 203-306-4
Molecular Weight: 144.21 g/mol
Inhalation: Move person to fresh air. If symptoms persist, get medical attention. Provide oxygen if breathing is difficult.
Skin Contact: Remove contaminated clothing. Wash skin with plenty of soap and water. Seek medical advice if skin irritation develops.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses, continue rinsing. Seek immediate medical help.
Ingestion: Do not induce vomiting. Rinse mouth thoroughly. Call poison control and obtain medical attention immediately.
Most Important Symptoms: Headache, dizziness, respiratory tract irritation, eye discomfort.
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, carbon dioxide, water mist
Unsuitable Extinguishing Media: Direct water jet can spread the fire
Specific Hazards: Vapors may travel along surfaces to distant ignition sources. Intense heat can cause container rupture.
Hazardous Combustion Products: Carbon oxides, smoke, irritating fumes.
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing.
Special Procedures: Move containers from fire area if safe. Cool with water spray. Prevent fire water runoff from contaminating surface water or ground water.
Personal Precautions: Evacuate area. Eliminate ignition sources. Wear appropriate protective equipment including gloves and goggles.
Environmental Precautions: Prevent spill from entering drains, soil, or watercourses. Alert authorities if contamination occurs.
Methods for Clean Up: Absorb with inert material like sand or earth. Ventilate area. Collect spill in suitable containers for disposal. Clean surface thoroughly.
Decontamination: Use detergent and water. Avoid use of solvents for cleaning up spills.
Additional Advice: Do not use combustible materials for absorbing or cleaning spills.
Handling: Use only in well-ventilated areas. Keep container tightly closed. Ground and bond containers when transferring.
Avoid: Smoking, open flames, static electricity, sparks.
Storage Requirements: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from oxidizers, acids, alkalis. Store in approved containers.
Incompatible Materials: Strong acids, bases, oxidizing agents.
Special Requirements: Ensure spill containment and secondary barriers.
OSHA PEL: 150 ppm (TWA)
ACGIH TLV: 150 ppm (TWA)
Engineering Controls: Local exhaust ventilation, explosion-proof electrical systems.
Personal Protective Equipment: Chemical-resistant gloves (butyl rubber, nitrile), safety glasses with side shields or goggles, flame-resistant clothing.
Respiratory Protection: Use NIOSH-approved respirator if vapor levels exceed exposure limits.
Hygiene Measures: Wash hands after handling, before eating and before breaks. Remove contaminated clothing immediately.
Appearance: Colorless liquid
Odor: Fruity, pleasant odor
Odor Threshold: 1 ppm
pH: Not applicable (nonaqueous)
Melting Point: -80°C (-112°F)
Boiling Point: 152°C (306°F)
Flash Point: 43°C (109°F) (Closed cup)
Evaporation Rate: 0.38 (n-butyl acetate = 1)
Flammability: Flammable liquid
Lower / Upper Explosion Limit: 1.2% / 7.5% (vol % in air)
Vapor Pressure: 4 mmHg at 20°C
Vapor Density: 4.97 (Air = 1)
Specific Gravity: 0.88 (Water = 1)
Solubility: Slightly soluble in water (3 g/L at 20°C); miscible with alcohols, ethers
Partition Coefficient: log Kow: 2.02
Auto-ignition Temperature: 411°C (771°F)
Decomposition Temperature: No data
Viscosity: 0.7 mPa·s at 25°C
Chemical Stability: Stable under typical storage and handling conditions.
Reactivity: Reacts with strong acids, bases, oxidizing agents.
Hazardous Reactions: Can form peroxides upon prolonged exposure to air and light.
Conditions to Avoid: Heat, open flames, sparks, static discharge.
Incompatible Materials: Strong oxidizers (nitric acid, hydrogen peroxide), strong bases.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, acrid smoke when heated to decomposition.
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion.
Acute Toxicity (Oral): LD50 (rat): 8800 mg/kg
Acute Toxicity (Dermal): LD50 (rabbit): >5000 mg/kg
Acute Toxicity (Inhalation): LC50 (rat, 4 hr): >16,000 ppm
Chronic Effects: Prolonged or repeated exposure may cause dermatitis, central nervous system depression.
Irritation: Causes serious eye irritation and moderate skin irritation.
Sensitization: Not classified as a sensitizer.
Carcinogenicity: Not listed by IARC, NTP, OSHA as carcinogenic.
Mutagenicity and Reproductive Toxicity: Not established.
Aquatic Toxicity: Toxic to aquatic life at high concentrations. LC50 (fish, 96 hr) ~56 mg/L.
Persistence and Degradability: Readily biodegradable in water and soil.
Bioaccumulative Potential: Low to moderate potential – log Kow: 2.02.
Mobility in Soil: Moderately mobile; may leach into groundwater in sandy soils.
Other Adverse Effects: Volatile organic compound (VOC) – can contribute to air pollution and formation of ground-level ozone.
Waste Treatment Methods: Dispose of according to local, regional, national, and international regulations. Consult local waste authority.
Incineration: Permitted in authorized facilities.
Contaminated Packaging: Empty containers may contain vapors and should be handled as hazardous. Do not reuse containers.
Reuse / Recycling: Not recommended due to flammability and contamination risks.
Avoid Release: Do not dump into drains, soil, or watercourses.
UN Number: 1123
UN Proper Shipping Name: Butyl acetates
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: III
Marine Pollutant: No
Special Precautions for Transport: Ensure containers are upright and secured. Keep away from food and feedstuffs during transport. Emergency response guidebook number: 128.
OSHA: Regulated as a hazardous chemical.
TSCA: Listed on the United States TSCA Inventory.
SARA Title III: Not a RQ (reportable quantity) substance, not listed under Section 313.
EPCRA: Not an extremely hazardous substance.
California Proposition 65: Not listed as a carcinogen or reproductive toxin.
Canada (DSL/NDSL): Listed on Domestic Substances List.
EU REACH: Registered under REACH.
Other International Regulations: Check local, national, and international requirements.
