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Product Name: Benzene Chloride
Other Names: Chlorobenzene
CAS Number: 108-90-7
Recommended Use: Intermediate for chemicals, solvent for adhesives and paints
Manufacturer: Major industrial chemical producers globally
Contact Information: Emergency hotlines and technical support lines in place at all major facilities
Synonyms: Monochlorobenzene, MCB
Classification: Flammable liquid, Acute toxicity (oral, dermal, inhalation), Eye and Skin Irritant
Signal Word: Danger
Hazard Statements: Causes skin and eye irritation, harmful if swallowed or inhaled, may cause respiratory irritation, may cause central nervous system depression
Pictograms: Flame, Exclamation mark, Health hazard
Precautionary Statements: Keep away from heat, sparks, open flames, avoid breathing vapors, use explosion-proof equipment, wear protective gloves and eye/face protection
Routes of Entry: Inhalation, skin contact, ingestion
Target Organs: Central nervous system, liver, kidneys
Chemical Name: Chlorobenzene
CAS Number: 108-90-7
Concentration: 99% or higher in most industrial samples
Other Components: Trace impurities including dichlorobenzenes, water, and by-product hydrocarbons (<1%)
Inhalation: Move to fresh air, monitor for respiratory distress, seek medical attention for difficulty breathing
Skin Contact: Remove contaminated clothing, rinse skin with water for at least 15 minutes, seek medical attention for irritation or persistent symptoms
Eye Contact: Rinse with water for at least 15 minutes, ensure eyelids are held open, obtain medical evaluation
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical help
Symptoms of Overexposure: Drowsiness, dizziness, nausea, headache, confusion, skin and eye irritation
Advice for Medical Providers: Treat symptomatically, monitor for chemical pneumonitis, central nervous system depression, and liver or kidney effects
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray
Unsuitable Media: Direct water jet may spread fire
Specific Hazards: Vapors may ignite easily, dense smoke can limit visibility, sealed containers risk bursting under heat
Combustion Products: Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide
Firefighting Equipment: Full protective gear, self-contained breathing apparatus for all personnel
Special Procedures: Approach from upwind, prevent runoff from entering waterways, be alert for toxic gases
Personal Precautions: Evacuate area, avoid breathing fumes, use chemical goggles, gloves, and respirator
Environmental Protection: Prevent from entering sewers, surface water, or soil
Containment Methods: Dike spilled material using non-combustible barriers, use inert absorbent material
Clean-up Procedures: Collect residue in sealable containers, dispose of according to local regulations, ventilate confined areas
Decontamination: Wash all contaminated surfaces with detergent and water
Handling Precautions: Avoid inhalation, contact with skin and eyes, no open flames, static discharge precautions in place, grounded equipment
Storage Conditions: Store in tightly closed containers, cool, well-ventilated, and dry areas, away from direct sunlight and incompatible chemicals
Specific Incompatibilities: Strong oxidizers, acids, alkalis, potassium, sodium
Hygiene Practices: Wash hands and face thoroughly after handling, remove contaminated clothing immediately
Occupational Exposure Limits: OSHA TWA 75 ppm, ACGIH TLV 10 ppm
Engineering Controls: Local exhaust ventilation, fume hoods, continuous air quality monitoring
Personal Protective Equipment (PPE): Chemical safety goggles, impervious gloves, flame-resistant clothing, respiratory protection in absence of adequate ventilation
Workplace Monitoring: Continuous monitoring of air for vapor concentrations, regular health surveillance for staff
Environmental Controls: Secondary containment, emergency spill response plans
Appearance: Colorless, clear liquid
Odor: Almond-like, pungent
Melting Point: -45°C
Boiling Point: 132°C
Flash Point: 28°C (82°F) closed cup
Vapor Pressure: 11 mmHg at 25°C
Vapor Density: 3.9 (air = 1)
Solubility in Water: 0.5 g/L at 25°C (very low)
Density: 1.11 g/cm³ at 20°C
Evaporation Rate: Moderate (relative to ether = 1)
Partition Coefficient (log Kow): 2.8
Auto-ignition Temperature: 638°C
Chemical Stability: Stable under normal, closed conditions
Possible Reactions: Vigorous with strong oxidizers, risk of hazardous decomposition with strong acids
Hazardous Decomposition: Hydrogen chloride, phosgene, carbon monoxide, toxic fumes
Polymerization: Does not occur under normal conditions
Conditions to Avoid: Heat, flames, sparks, incompatible materials
Acute Toxicity: LD50 (oral, rat): 2,900 mg/kg, LC50 (inhalation, rat): 8,770 mg/m³ (4h)
Skin Corrosion/Irritation: Causes irritation, redness, and possible chemical burns with prolonged exposure
Eye Damage/Irritation: Can cause pain, redness, and watering
Chronic Effects: May affect liver and kidneys with repeated exposures, not classed as a human carcinogen by IARC
Sensitization: Not expected to cause allergic reactions
Other Health Effects: Central nervous system depression, nausea, dizziness, headache, potential risk for hearing loss at high exposures
Acute Aquatic Toxicity: Toxic to fish and aquatic invertebrates, LC50 (fish) 18.3 mg/L (96h)
Persistence and Degradability: Moderately persistent, may degrade by photolysis and microbial action in soil and water
Bioaccumulative Potential: Moderate (log Kow indicates some bioaccumulation risk)
Mobility in Soil: Moderate; low water solubility leads to reduced mobility, but vaporization into atmosphere occurs readily
Other Environmental Effects: Vapor may contribute to air pollution, breakdown products impact ozone
Waste Treatment Methods: Incinerate in regulated facilities with air pollution control
Waste Code: US EPA RCRA U037
Contaminated Packaging: Rinse, puncture, and send to approved drum reconditioners, landfill only as last resort
Precautions: Prevent entry into water bodies or drains, comply with local, state, and federal regulations
UN Number: UN1134
Proper Shipping Name: Chlorobenzene
Hazard Class: 3 (Flammable Liquid)
Packing Group: II (medium danger)
Marine Pollutant: Not classified as a marine pollutant under IMDG
Transport Labels: Flammable liquid (red diamond), handle with care
Special Provisions: Emergency response guidance provided for accidental releases during handling and transport
Occupational Safety: OSHA hazardous chemical, included in workplace right-to-know lists
Environmental Protection: CERCLA hazardous substance, SARA Title III Section 313 reportable
International Regulations: Listed on the TSCA inventory, subject to REACH registration in EU
Labeling: GHS compliant identification, hazard and precautionary statements mandatory
Other National Acts: Registration and restrictions apply in China, Japan, Canada, Australia
Community Right-to-Know: Facilities must provide access to safety information for staff, neighbors, local agencies
