Product Name: Sec-butyl acetate
Chemical Formula: C6H12O2
Synonyms: Acetic acid, sec-butyl ester; 1-Methylpropyl acetate
CAS Number: 105-46-4
Recommended Use: Solvent in coatings, inks, adhesives, cleaners
Supplier Contact: Company’s full address and emergency phone number must be provided on the label, so responders know where to turn during a spill or exposure.
Classification: Flammable liquid (Category 2); Eye irritation (Category 2A); Specific target organ toxicity – single exposure (Category 3, above recommended limits)
Signal Word: Danger
Hazard Statements: Highly flammable liquid and vapor; causes serious eye irritation; may cause drowsiness or dizziness
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from heat, sparks, open flames; avoid inhalation of vapors; use only outdoors or in a well-ventilated area; wear protective gloves/eye protection; wash skin after handling
NFPA Ratings: Health: 1| Flammability: 3| Reactivity: 0
Substance: Sec-butyl acetate
Concentration: 99% or above
Impurities: Trace amounts of acetic acid, sec-butyl alcohol (typically below 1%)
Inhalation: Move person to fresh air; keep comfortable for breathing; call a doctor if symptoms like headache or dizziness last
Skin Contact: Remove contaminated clothing; wash skin with soap and water; seek medical help for irritation
Eye Contact: Rinse eyes with water for several minutes, removing contact lenses if present; continue rinsing; get medical advice
Ingestion: Rinse mouth, do not induce vomiting; drink water if alert; seek medical help immediately; hospital staff should watch for signs of aspiration
Important Symptoms/Effects: Eye redness, irritation, drowsiness, dizziness, confusion at high exposures
Immediate Medical Attention: If inhaled at high concentration or ingested in large amount, get professional help
Suitable Extinguisher Media: Use alcohol-resistant foam, dry chemical, carbon dioxide, or water fog
Specific Dangers: Vapors may form explosive mixtures with air and spread long distances; flame flashback possible
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, small amounts of acetic acid fumes
Special Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus
Firefighting Advice: Cool containers with water spray to prevent bursting; contain contaminated firefighting water; stay upwind of smoke
Spill Response: Evacuate unprotected personnel; eliminate ignition sources; ventilate area; contain and absorb spill with inert material like sand or vermiculite
Clean-up: Use nonsparking tools; collect material in suitable, labeled containers for disposal; wash area with soap and water
Environmental Protection: Prevent run-off into drains, sewers, and waterways; inform authorities if significant releases threaten the environment
Personal Precautions: Wear protective gloves, goggles, and organic vapor respiratory protection if ventilation lacks
Handling Practices: Keep containers tightly closed; ground and bond containers for transfer operations; handle in well-ventilated areas; avoid contact with skin and eyes; use spark-proof tools
Storage Requirements: Store in a tightly sealed original container in a cool, dry, fireproof area; keep away from sunlight, sources of heat, oxidizers, acids, bases, and food containers; post warning signs clearly
Specific Practices: Do not store near ignition sources; prevent vapor build-up; segregate from incompatible materials
Occupational Exposure Limits: ACGIH TLV: 200 ppm TWA, 250 ppm STEL; OSHA PEL: 200 ppm
Engineering Controls: Use general and local exhaust ventilation; install vapor containment where needed
Personal Protection: Wear chemical-resistant gloves (nitrile, neoprene), safety goggles or face shields, flame-resistant lab coat or apron; use organic vapor respirator if ventilation is inadequate
Hygiene Measures: Wash hands before eating, drinking, or smoking; keep work clothes separated; remove contaminated clothing promptly
Appearance: Colorless, clear liquid
Odor: Fruity, pleasant
Odor Threshold: 0.08 ppm (estimated)
Boiling Point: 112°C (233°F)
Melting Point: -99°C (-146°F)
Flash Point: 34°C (93°F, closed cup)
Evaporation Rate: 1.2 (n-butyl acetate = 1.0)
Vapor Pressure: 11 mmHg @ 20°C
Vapor Density: 4.1 (air = 1)
Solubility in Water: 0.5 g/100 mL at 20°C
Partition Coefficient (log Pow): 1.2
Viscosity: 0.7 mPa·s at 25°C
Explosive Limits: Lower: 1.4%, Upper: 8.0% (in air)
Auto Ignition Temperature: 445°C
Density: 0.87 g/cm³ at 20°C
Chemical Stability: Stable under recommended conditions of use and storage
Reactivity: Reacts with strong oxidizers (peroxides, nitric acid); can react with strong acids, bases
Hazardous Reactions: Vapors may form explosive mixtures with air
Decomposition Products: Carbon monoxide, carbon dioxide, acetic acid, trace organics
Conditions to Avoid: Static discharge, sparks, open flames, direct sunlight, heat, oxidizing conditions
Acute Toxicity: Oral LD50 (rat): 13,000 mg/kg; Dermal LD50 (rabbit): >5,000 mg/kg; Inhalation LC50 (rat, 4hr): >2,000 ppm
Short-term Health Effects: Irritation of eyes, respiratory tract; drowsiness and dizziness can occur at high doses
Chronic Exposure: Long-term overexposure may affect central nervous system
Carcinogenicity: Not listed by NTP, IARC, or OSHA
Mutagenicity: No genetic toxicity observed in standard tests
Reproductive Toxicity: No effects observed in animal studies within typical industrial exposure levels
Other Information: Sensitization not reported under normal use conditions
Aquatic Toxicity: LC50 (fish, 96hr): 56 mg/L; EC50 (daphnia, 48hr): 115 mg/L
Mobility: Moderately mobile in soil; can evaporate from water and soil surfaces
Persistence/Degradability: Readily biodegradable; breaks down in atmosphere and water over days
Bioaccumulation Potential: Low (BCF: 11)
Other Effects: Harmful to aquatic organisms at high concentrations; avoid uncontrolled release into environment
Waste Disposal: Incinerate in an approved facility; do not dump into sewers or natural waters
Contaminated Containers: Empty containers may retain liquid/vapor; handle as hazardous; send for recycling or disposal by approved waste handler
Regulations: Dispose of waste in accordance with local, state, and federal regulations
Safe Practices: Seal waste in properly labeled, corrosion-resistant containers
UN Number: UN 1123
Proper Shipping Name: Butyl acetates
Transport Hazard Class: 3 (flammable liquids)
Packing Group: III
Labels Required: Flammable liquid
Environmental Hazards: Not a marine pollutant per IMDG
Special Precautions: Segregate from food and feed during transport; keep containers tightly sealed, upright, and protected from heat/sparks
OSHA: Hazardous Chemical per OSHA Hazard Communication Standard
TSCA: Listed on the US Toxic Substances Control Act inventory
EPCRA SARA Title III: Not subject to reporting requirements under Sections 302, 304, or 313
REACH: Registered in accordance with European REACH regulations
State Regulations: California Proposition 65 not listed
Other International Regulations: WHMIS (Canada): B2 (flammable liquid), D2B (toxic material causing other effects); GHS classified as flammable, acute toxicant, irritant
