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Product Name: N-Butanol
Synonyms: 1-Butanol, Butyl Alcohol, Butan-1-ol
CAS Number: 71-36-3
Recommended Use: Solvent in coatings, chemical intermediate, manufacturing of plastics and pharmaceuticals, laboratory reagent
Supplier: Listed chemical providers, consult product label for detailed supplier contact information
Emergency Phone Number: Refer to local and national chemical emergency services
Classification: Flammable liquid (Category 3), Acute toxicity oral (Category 4), Skin irritation (Category 2), Serious eye damage/eye irritation (Category 2A), Specific target organ toxicity - single exposure (Category 3, narcotic effects)
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause drowsiness or dizziness.
Precautionary Statements: Keep away from heat, sparks, open flames. Avoid breathing vapors. Wash hands thoroughly after use. Wear protective gloves, clothing, eye and face protection.
Symbol: Flame, exclamation mark
Chemical Identity: N-Butanol
Chemical Formula: C4H10O
Percentage: N-Butanol (≥99%)
Impurities: Water (≤0.5%), other alcohols (trace)
Inhalation: Move person to fresh air, keep at rest in comfortable position for breathing, seek medical advice if symptoms occur.
Skin Contact: Remove contaminated clothing, rinse skin with water and soap for at least fifteen minutes, medical attention for persistent irritation.
Eye Contact: Rinse immediately with plenty of water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek eye specialist attention if necessary.
Ingestion: Rinse mouth, do not induce vomiting, give water if conscious, call poison center or doctor immediately.
Symptom Notes: Central nervous system depression (drowsiness, dizziness), respiratory irritation, eye and skin redness, headache
Suitable Extinguishing Media: Alcohol-resistant foam, carbon dioxide, dry chemical powder
Unsuitable Extinguishing Media: Direct water jet
Specific Hazards: Vapors may form explosive mixtures with air, fire produces toxic gases (carbon monoxide, carbon dioxide)
Special Protective Equipment: Self-contained breathing apparatus, chemical protective clothing
Advice for Firefighters: Cool containers exposed to fire with water spray, evacuate area, prevent runoff from entering water sources
Personal Precautions: Evacuate area, eliminate sources of ignition, ventilate area, wear appropriate protective equipment
Environmental Precautions: Prevent further leakage or spillage if safe to do so, do not let product enter drains, waterways or soil
Clean-Up Methods: Contain spillage, absorb with inert material (sand, earth), collect in a sealable container for disposal, wash spill site after cleanup
Handling: Handle in a well-ventilated area, avoid contact with skin and eyes, avoid inhalation of vapors, use grounding and bonding for all transfer operations
Storage: Store in tightly closed containers away from heat, sparks, and open flame, keep out of direct sunlight, store separately from oxidizers, acids, and foodstuffs, store at ambient temperature in a dry place
Occupational Exposure Limits: ACGIH TLV: 20 ppm (skin), OSHA PEL: 100 ppm
Engineering Controls: Use local exhaust ventilation, fume hoods, explosion-proof equipment
Personal Protective Equipment: Protective gloves (nitrile recommended), chemical safety goggles, lab coats or aprons, respiratory protection if exposure limits exceeded
Hygiene Measures: Wash hands before breaks and at end of day, remove contaminated clothing and protective equipment before entering eating areas
Physical State: Liquid
Color: Colorless
Odor: Alcohol-like
Melting Point: -89°C
Boiling Point: 117°C
Flash Point: 35°C (closed cup)
Vapor Pressure: 6 mm Hg at 20°C
Density: 0.81 g/cm³ at 20°C
Solubility: Soluble in water, miscible with most organic solvents
Viscosity: ~2.6 mPa·s at 20°C
Auto-Ignition Temperature: 343°C
Explosion Limits: Lower 1.4 vol%, Upper 11.2 vol%
Reactivity: Reacts vigorously with oxidizing agents
Chemical Stability: Stable under recommended storage conditions
Possible Hazardous Reactions: May form peroxides on prolonged contact with air, may react with acids and alkali metals
Conditions to Avoid: Heat, sparks, open flames, strong oxidizers
Incompatible Materials: Strong acids, strong bases, oxidizers, aluminum, halogenated compounds
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Acute Toxicity: LD50 Oral (rat): 790 mg/kg, LD50 Dermal (rabbit): 3,400 mg/kg
Effects: Drowsiness, dizziness, central nervous system depression, respiratory tract irritation, gastrointestinal discomfort, skin and eye irritation
Chronic Effects: Repeated or prolonged exposure may affect liver and kidneys, possible developmental toxicity based on animal studies
Carcinogenicity: Not classified as a human carcinogen by IARC, NTP, or OSHA
Other Effects: No evidence for mutagenicity or reproductive toxicity in standard studies
Ecotoxicity: LC50 (Fish, 96 h): ~1,370 mg/L, EC50 (Daphnia, 48 h): ~2,320 mg/L
Persistence and Degradability: Readily biodegradable in aquatic environments
Bioaccumulative Potential: Low potential, log Kow: 0.88
Mobility in Soil: Potential for mobility due to water solubility
Other Adverse Effects: Avoid uncontrolled release to environment, toxic to aquatic organisms in high concentrations
Product Disposal: Dispose of contents and container via licensed chemical disposal contractor, follow local, state, and national regulations
Contaminated Packaging: Treat as hazardous waste, empty containers retain residue and can be dangerous
Methods: Incineration is preferred in permitted facility, recycling possible after proper cleaning
UN Number: UN 1120
UN Proper Shipping Name: Butanol or N-Butyl Alcohol
Transport Hazard Class: 3 – Flammable Liquids
Packing Group: III
Labels Required: Flammable liquid
Environmental Hazards: Not classified as marine pollutant
Special Precautions: Transport in tightly closed and secure containers, avoid physical damage, keep away from sources of ignition during transport
OSHA: Classified as hazardous
SARA Title III: Section 313 listed
TSCA: Included in TSCA inventory
EU Regulations: Included in EINECS (200-751-6), label as R10, R22, R37/38, R41, R67
Canadian Regulations: Listed on DSL/NDSL
Other Requirements: Users must ensure compliance with appropriate regulations in their location, restricted use in consumer products in some countries
