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Product Name: 1-Chlorobutane
Synonyms: n-Butyl chloride, Butyl chloride
CAS Number: 109-69-3
Recommended Uses: Industrial solvent, chemical intermediate, synthesis of pharmaceuticals and other chemicals
Supplier: Chemical manufacturers and distributors worldwide
Emergency Number: Local poison control center or emergency medical services
GHS Classification: Flammable liquid (Category 3), Acute toxicity oral (Category 4), Acute toxicity inhalation (Category 4), Skin irritation (Category 2), Eye irritation (Category 2A)
Label Elements: Flame, exclamation mark
Signal Word: Warning
Hazard Statements: Flammable liquid and vapor, Harmful if swallowed, inhaled or in contact with skin, Causes skin and eye irritation, May cause drowsiness or dizziness
Precautionary Statements: Keep away from heat, Sparks, open flames, Use explosion-proof equipment, Avoid breathing fumes, Wear protective gloves and eye protection, Wash hands thoroughly after handling, Use in a well-ventilated area
Chemical Name: 1-Chlorobutane
CAS Number: 109-69-3
Concentration: 98–100%
Impurities: Trace alkyl halides, moisture
Molecular Formula: C4H9Cl
Molecular Weight: 92.57 g/mol
Inhalation: Move to fresh air, Seek medical attention for breathing difficulty, Remove contaminated clothing
Skin Contact: Wash thoroughly with soap and water, Remove contaminated clothing, Seek attention if irritation or symptoms persist
Eye Contact: Rinse cautiously with water for at least 15 minutes, Remove contact lenses if easily possible, Obtain immediate medical care
Ingestion: Do not induce vomiting, Rinse mouth with water if conscious, Get medical help
Most Important Symptoms: Burning sensation, Coughing, Shortness of breath, Headache, Drowsiness, Nausea, Eye and skin irritation
Suitable Extinguishing Media: Carbon dioxide, Dry chemical powder, Alcohol-resistant foam
Unsuitable Media: High pressure water streams can spread the fire
Specific Hazards: Vapors may form explosive mixture with air, Combustion releases hydrogen chloride and carbon monoxide
Special Protective Action: Firefighters use self-contained breathing apparatus and full protective gear, Move containers from area if safe, Cool containers with water spray to prevent rupture from heat
Explosion Data: Vapors heavier than air can travel to ignition source and flashback
Personal Precautions: Remove all ignition sources, Evacuate personnel, Ventilate area, Avoid breathing vapors, Use gloves and goggles
Environmental Precautions: Prevent spillage to drains, soil and waterways, Notify relevant authorities of large releases
Methods for Clean-up: Soak up with inert material (sand, earth), Collect and dispose of in approved container, Wash spill area thoroughly, Do not allow product to evaporate in confined space
Emergency Procedures: Isolate hazard area, Post warning signs, Use non-sparking tools
Precautions for Safe Handling: Avoid inhaling vapor or contact with skin and eyes, Use in chemical fume hood or outdoors, Use spark-proof equipment, Keep away from heat and ignition sources, Do not eat, drink, or smoke near product
Storage Requirements: Store in cool, dry, well-ventilated area, Keep container tightly closed, Store away from incompatible materials such as strong oxidizers and acids, Use containers built from compatible materials like glass or specific plastics
Incompatibility: Strong oxidizing agents, Strong acids, Bases, Amines, Metals such as aluminum or magnesium
Occupational Exposure Limits: No established OSHA or ACGIH limits for 1-Chlorobutane, Minimize exposure as much as possible
Engineering Measures: Local exhaust ventilation, Eye wash station and safety shower nearby
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), Safety goggles or full-face shield, Lab coat or chemical apron, Respiratory protection if ventilation inadequate (approved organic vapor respirator)
Hygiene Measures: Wash hands before breaks and after handling, Remove contaminated clothing and wash before reuse
Appearance: Colorless liquid
Odor: Pungent, sweet
Odor Threshold: Not available
pH: Not available (not water soluble)
Melting Point: -123°C
Boiling Point: 78–78.5°C
Flash Point: 6°C (closed cup)
Evaporation Rate: Higher than ether
Flammability: Flammable liquid
Upper/Lower Flammability Limits: 1.6%–9.4% (v/v in air)
Vapor Pressure: 135 mmHg at 20°C
Vapor Density: 3.2 (air = 1)
Relative Density: 0.88 g/cm³ at 20°C
Solubility: Slightly soluble in water, Miscible with most organic solvents
Partition Coefficient (log Pow): 2.4
Viscosity: Not available
Auto-Ignition Temperature: 320°C
Decomposition Temperature: Not available
Chemical Stability: Stable under normal temperatures and pressure
Hazardous Reactions: Violent reaction possible with strong bases, oxidizers, alkali metals
Conditions to Avoid: Heat, flames, static discharge, sparks
Materials to Avoid: Oxidizing agents, strong bases, aluminum, magnesium, amines
Hazardous Decomposition Products: Hydrogen chloride, carbon oxides
Acute Toxicity: LD50 Oral (rat): 2730 mg/kg, LD50 Dermal (rabbit): not well documented, LC50 Inhalation (rat): >8000 ppm/4 hr
Routes of Exposure: Inhalation, Skin, Eyes, Ingestion
Symptoms: Eye/skin irritation, respiratory tract irritation, dizziness, headache, nausea
Chronic Effects: Repeated or prolonged exposure may cause dermatitis or respiratory sensitization, No clear evidence of carcinogenicity
Mutagenicity: Limited data available, not classified as mutagen by IARC
Other Information: Not listed as a known carcinogen by NTP, IARC, OSHA
Ecotoxicity: Harmful to aquatic organisms, may cause long-term adverse effects in aquatic environment
Persistence and Degradability: Moderately persistent, partial biodegradation in water and soil
Bioaccumulative Potential: May bioaccumulate due to log Pow 2.4
Mobility in Soil: Moderately mobile, potential to leach into groundwater
Other Adverse Effects: Avoid uncontrolled release to the environment, Toxic to fish at higher concentrations
Waste Disposal: Collect and dispose of through licensed hazardous waste contractor, Incineration recommended for large quantities, Small quantities can be absorbed in vermiculite/earth and put in sealed container
Container Disposal: Triple rinse empty containers, Puncture and dispose according to local, state, and federal regulations
Avoid Release: Never discharge into drains or surface water
Regulations: US EPA hazardous waste number U056
UN Number: UN1127
Proper Shipping Name: 1-Chlorobutane
Hazard Class: 3 (Flammable liquid)
Packing Group: II
Labels: Flammable Liquid
Special Precautions: Keep in tightly sealed containers, Store upright, Segregate from incompatible materials, Transport only with trained personnel following applicable dangerous goods regulations
Environmental Hazards: Dangerous to aquatic environment, Avoid spillage
OSHA Status: Hazardous chemical under OSHA Hazard Communication Standard
TSCA: Listed in TSCA Inventory
SARA Title III: Section 311/312: Fire hazard, Immediate (acute) health hazard
CERCLA: 1-Chlorobutane is not assigned a reportable quantity but spills should be managed per all applicable regulations
REACH Compliance: Registrant required for importation into Europe
Other Regulatory Controls: Subject to workplace safety laws, Hazard labeling required in accordance with GHS guidelines, Keep SDS accessible to personnel at all times
