Product Name: Zinc Di(Benzothiazol-2-Yl) Disulphide
Other Names: Zinc dibutyldithiocarbamate, ZMBT, ZDBC
CAS Number: 155-04-4
Recommended Use: Rubber accelerator in manufacturing, vulcanization agent, chemical intermediate
Supplier Details: Manufacturer/Supplier contact information provided by purchasing documents
Emergency Contact: National poison center phone, local supplier emergency telephone
Classification: Eye irritant, skin sensitizer, hazardous to aquatic life with long-lasting effects
Label Elements: Exclamation mark pictogram, aquatic toxicity pictogram
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause allergic skin reaction, toxic to aquatic organisms
Precautionary Statements: Avoid breathing dust, wear eye protection and gloves, wash thoroughly after handling, prevent release to the environment, seek medical advice if unwell
Other Hazards: Dust formation can irritate respiratory tract, containers may develop pressure if heated
Chemical Identity: Zinc Di(Benzothiazol-2-Yl) Disulphide
Molecular Formula: C14H8N2S4Zn
Concentration: ≥ 97%
Impurities: May contain trace amounts of unreacted starting materials, solvents, or by-products
CAS Number: 155-04-4
EC Number: 205-840-3
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash with plenty of soap and water, consult a doctor if inflammation develops
Inhalation: Move to fresh air, provide artificial respiration if not breathing, consult a medical professional if symptoms occur
Ingestion: Do not induce vomiting, rinse mouth, seek medical assistance immediately or contact poison control
Most Important Symptoms: Respiratory tract irritation, skin and eye redness or rash, signs of allergic reaction (swelling, itching)
Suitable Extinguishing Media: Water fog, foam, dry chemical, carbon dioxide (CO2)
Unsuitable Media: High pressure water streams may spread product contamination
Specific Hazards: Thermal decomposition yields sulfur oxides, nitrogen oxides, zinc fumes, benzothiazole derivatives, irritant or toxic gases may form under fire conditions
Protective Equipment: Self-contained breathing apparatus with full face mask, protective suit
Fire-Fighting Advice: Use water spray to keep containers cool, extinguish fire from upwind position, avoid inhalation of fumes
Personal Precautions: Avoid dust, ventilate area, use suitable protective equipment including gloves and safety glasses, avoid contact with skin and eyes
Environmental Precautions: Prevent further leakage or spillage if safe, prevent entry into drains, sewers, or waterways
Methods for Clean Up: Sweep up and place in suitable, labeled, sealed containers for proper disposal, avoid generating dust, clean contaminated surface with detergent, ensure adequate ventilation during clean-up
Reference to Other Sections: Consult personal protection and disposal guidance
Handling: Work in well-ventilated areas, use local exhaust to minimize dust, keep containers tightly closed, avoid prolonged contact with skin or eyes, wash hands before eating or smoking, do not breathe dust
Storage: Store in original tank or packaging, away from incompatible materials like acids or oxidizers, keep away from direct sunlight, moisture, and sources of ignition, maintain dry, cool, and well-ventilated storerooms, store only in approved containers with labels intact, control access to storage area to trained personnel
Occupational Exposure Limits: Not established for this compound, but treat as nuisance dust for particulate matter; use recommended exposure limit of 10 mg/m³ (total dust)
Engineering Controls: Local ventilation, dust extraction, process enclosure, eyewash stations available
Respiratory Protection: Use NIOSH-approved dust masks or respirators if ventilation is inadequate or in enclosed spaces
Eye Protection: Chemical safety goggles or face shield
Hand Protection: Chemical-resistant gloves (nitrile, neoprene, or rubber)
Skin Protection: Lab coat, long sleeves, closed footwear
Hygiene Measures: Wash thoroughly after handling, change contaminated clothing, do not eat or drink in work area
Appearance: Yellowish or greenish powder
Odor: Faint, characteristic rubbery or sulfur odor
Odor Threshold: Not determined
pH: Not applicable (insoluble in water)
Melting Point: 280°C–300°C (decomposes)
Boiling Point: Not available (decomposes before boiling)
Flash Point: Not flammable in powder form
Evaporation Rate: Not applicable
Flammability: Not classified as highly flammable, but dust may support combustion
Vapor Pressure: Negligible
Vapor Density: Not applicable
Solubility: Insoluble in water, partly soluble in organic solvents
Partition Coefficient (log Kow): Not determined
Auto-Ignition Temperature: Not established
Decomposition Temperature: Above 300°C
Viscosity: Not applicable (solid powder)
Density: Approximately 1.60–1.70 g/cm³
Stability: Stable under recommended storage conditions for industrial or laboratory use
Reactivity: No hazardous reactivity under normal use
Incompatibilities: Strong acids, strong oxidizing agents, strong bases may cause decomposition
Hazardous Decomposition Products: Produces zinc oxide, sulfur oxides, nitrogen oxides, benzothiazole compounds at high temperatures or in fire
Polymerization: No known hazardous polymerization
Other Information: Avoid contact with moisture to preserve product integrity
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): >2,000 mg/kg, relatively low acute toxicity
Skin Corrosion/Irritation: Can irritate skin, possible allergic reaction in susceptible people
Eye Damage/Irritation: Irritant, redness and discomfort possible
Respiratory Sensitization: Dust may cause sneezing, coughing, transient breathing discomfort
Skin Sensitization: Repeated or prolonged contact may cause allergic dermatitis
Chronic Effects: Long-term exposure may lead to sensitization, repeated exposure enhances skin reaction risk
Carcinogenicity: Not considered carcinogenic by IARC, ACGIH, NTP, OSHA
Mutagenicity: Not classified as mutagenic
Other Effects: High dust concentrations over time could lead to respiratory inflammation
Aquatic Toxicity: Harmful to aquatic life, LC50 (Fish, 96h): 1–10 mg/L, toxic effects include abnormal swimming and gill damage
Persistence and Degradability: Not readily biodegradable, persists in sediment and water for several months
Bioaccumulation: Potential for bioaccumulation may exist, but depends on local environmental factors
Mobility in Soil: Low mobility, tends to bind to soil particles or sediment
Other Hazards: Avoid direct discharge to surface water, risk of chronic aquatic toxicity increases with repeated release
Environmental Precautions: Keep out of water sources and sewer systems
Waste Disposal Methods: Send to licensed hazardous waste disposal contractor, avoid landfill when possible, incinerate under controlled conditions, follow local, national, and international regulations for chemical waste
Container Disposal: Rinsed packaging can be recycled or disposed according to local environmental guidelines, never reuse packaging for food or animal feed
Precautions: Keep out of drains, watercourses, and soil
UN Number: Not assigned
UN Proper Shipping Name: Not regulated under most international transport guidelines (ADR, RID, IMDG, IATA) for surface, air, or sea unless transported in large bulk where strict local rules apply
Transport Hazard Class: Not classified as a dangerous good under most transport codes
Packing Group: Not assigned
Special Precautions: Protect from moisture and rough handling, use sealed containers during transport, avoid co-loading with acids or oxidizers
Environmental Hazards: Check for local aquatic toxicity transport warnings where applicable
Safety, Health, and Environmental Regulations: Listed in chemical inventories such as TSCA (US), EINECS (EU), DSL (Canada), AICS (Australia), ENCS (Japan), KECI (Korea), and PICCS (Philippines), subject to workplace chemical handling requirements, specific restrictions for aquatic toxicity exist in some regions
Labeling Requirements: Follow hazard communication standards (OSHA, GHS, CLP), include appropriate hazard warnings and pictograms on containers, maintain access to safety data sheets for all users
Other Regulations: Subject to local waste and emissions rules, consult national or regional authorities for site-specific guidance, industrial or professional users may require additional training
