Product Name: 2-Chlorobenzothiazole
Chemical Formula: C7H4ClNS
CAS Number: 615-20-3
Synonyms: o-Chlorobenzothiazole
Recommended Uses: Organic synthesis, chemical intermediate
Manufacturer: Provided by chemical supplier
Contact Information: Refer to supplier documentation for emergency contact
GHS Classification: Acute Toxicity (Oral/Derma/Inhalation) Category 4, Skin Irritant Category 2, Eye Irritant Category 2A
Hazard Symbols: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed, in contact with skin, or inhaled; causes skin irritation; causes serious eye irritation
Precautionary Statements: Avoid breathing dust/vapors, wash thoroughly after handling, wear protective gloves and eye protection
Potential Health Effects: Shortness of breath, irritation of respiratory tract, redness and pain in eyes and skin, gastrointestinal discomfort
Environmental Hazards: Harmful to aquatic life, risk of bioaccumulation
Chemical Name: 2-Chlorobenzothiazole
Concentration: > 98% (typical for chemical grade)
Impurities: Trace related thiazole compounds, moisture less than 1%
Molecular Weight: 169.63 g/mol
Inhalation: Move person to fresh air, keep at rest, consult medical attention if symptoms appear
Skin Contact: Rinse skin with plenty of water for at least 15 minutes, remove contaminated clothing, seek medical help
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, obtain medical consultation
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical advice
Most Important Symptoms: Burning eyes, coughing, skin redness, headache, dizziness if inhaled
Notes for Doctors: Symptomatic and supportive treatment, monitor respiratory and cardiovascular status
Suitable Extinguishing Media: Foam, dry chemical powder, carbon dioxide, water spray (avoid direct jet)
Specific Hazards: Emits toxic fumes of hydrogen chloride, nitrogen oxides, and sulfur oxides under combustion
Special Protective Equipment: Wear self-contained breathing apparatus, full protective fire gear
Advice for Firefighters: Cool containers with water spray, do not allow runoff to enter sewers or water courses
Explosion Data: Product does not present a particular explosion hazard, though dust clouds may pose risk
Personal Precautions: Evacuate area, ensure proper ventilation, avoid inhalation of vapors or dust, use protective equipment
Environmental Precautions: Prevent release into drains, surface and ground water
Containment Methods: Absorb spill with inert material (sand, vermiculite), transfer to labeled containers for disposal
Cleanup Procedures: Sweep up and shovel, avoid generation of dust, wash impacted area with water and detergent
Disposal: Collect for approved chemical disposal; consult local regulations
Safe Handling: Keep container tightly closed, use only in well-ventilated areas, avoid contact with skin, eyes, and clothing, do not breathe vapor, aerosol, or dust
Storage Conditions: Store in cool, dry, and well-ventilated area, segregate from oxidizers, acids, alkalis, store away from incompatible substances
Packaging Materials: Use polyethylene or glass containers with closed lids
Incompatibility: Strong acids, strong bases, oxidizing agents
Engineering Controls: Use fume hood or local exhaust ventilation, ensure facilities for washing eyes and skin are available
Exposure Limits: No specific national exposure limits established, general workplace limits (dust) may apply
Personal Protective Equipment: Chemical-resistant gloves (nitrile), safety goggles, lab coat, appropriate mask or respirator for vapors/dust
Environmental Exposure: Keep emissions as low as possible, filter exhausted air
Appearance: Off-white to pale yellow crystalline solid
Odor: Characteristic, pungent odor
pH: Not applicable (solid in water: slight hydrolysis)
Melting Point: 40 to 43°C
Boiling Point: 241°C (decomposes at higher temperatures)
Flash Point: 113°C (closed cup)
Vapor Pressure: 0.02 mmHg at 25°C
Solubility: Slight in water, soluble in organic solvents (alcohol, ether, acetone)
Relative Density: 1.32 g/cm³
Partition Coefficient (log P): 2.22
Auto-ignition Temperature: Not available
Evaporation Rate: Not available
Viscosity: Not available
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with strong acids or bases, oxidizing agents
Possibility of Hazardous Reactions: May release toxic fumes of HCl, SOx, NOx at high temperatures
Decomposition Products: Hydrogen chloride, nitrogen oxides, sulfur oxides
Conditions to Avoid: Excessive heat, open flames, incompatible materials
Acute Toxicity: LD50 (oral, rat) ~300 mg/kg; skin and eye irritant
Chronic Effects: Prolonged exposure may cause skin defatting, respiratory irritation, liver and kidney stress
Sensitization: Potential for skin sensitization in susceptible individuals
Carcinogenicity: No classification by IARC, ACGIH, OSHA, or NTP
Mutagenicity: Data not conclusive; limited information
Target Organs: Eyes, skin, respiratory system, liver, kidneys
Ecotoxicity: Harmful to aquatic organisms, possible long-term adverse effects in aquatic environments
Persistence and Degradability: Not readily biodegradable, may persist in soil and water
Bioaccumulative Potential: Moderate (log P above 2), potential for buildup in organisms
Mobility in Soil: Low to moderate, depends on environmental conditions
Aquatic Toxicity: LC50 (fish, 96h): <100 mg/L
Waste Treatment Methods: Dispose through licensed waste handler, incineration in chemical waste facility preferred
Disposal of Contaminated Packaging: Triple rinse, puncture, and send for proper chemical container recycling
Additional Information: Consult local, state, and national regulations for chemical waste classification and permitted disposal methods
UN Number: UN 2811
UN Proper Shipping Name: Toxic Solid, Organic, N.O.S. (contains 2-Chlorobenzothiazole)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Marine Pollutant: No (based on current information, but check latest ADR/RID/IMDG/IATA dispatch protocols)
Special Precautions: Secure containers, protect from rough handling, keep away from food and animal feeds
US TSCA Inventory: Listed
REACH Registration: Substance under European REACH regulation as part of group registration requirement
OSHA Hazard Communication: Classified hazardous chemical
SARA Title III Sections 302/304/313: Not listed as an extremely hazardous substance, but check Section 313 for state reporting
Right-to-Know (CA, NJ, PA): Listed; ensure compliance with state and local reporting rules
International Listings: Check local inventories (EINECS, DSL, AICS) for status
Label Elements: GHS-compliant with hazard pictograms and precautionary phrases
