Product Name: Mixture of Bis[3-(Triethoxysilyl)Propyl]Disulfide and Carbon Black
CAS Numbers: 56706-10-6 (Bis[3-(Triethoxysilyl)Propyl]Disulfide), 1333-86-4 (Carbon Black)
Manufacturer: Industrial Chemical Supplier
Recommended Use: Rubber industry, silane coupling agent for reinforcement, rubber compounding
Contact Information: Emergency support 24/7 at 1-800-555-1234
Emergency Overview: Black, granulated solid, slight odor
GHS Classification: Skin and eye irritant, respiratory hazard, suspected carcinogen (Carbon Black)
Label Elements: Signal word: Danger, Pictograms: Health hazard, exclamation mark
Hazard Statements: Causes skin irritation, eye irritation, may cause respiratory irritation, may cause cancer by inhalation
Precautionary Statements: Avoid breathing dust or vapors, wash hands after handling, use only outdoors or well-ventilated areas, wear protective gloves/protective clothing/eye protection/face protection
Bis[3-(Triethoxysilyl)Propyl]Disulfide: 50%, organosilane coupling agent; CAS 56706-10-6
Carbon Black: 50%, reinforcing filler; CAS 1333-86-4
Impurities: Trace inorganic ash, silane residues, not expected to influence hazard classification
Eye Contact: Rinse eyes gently with plenty of water for several minutes, remove contact lenses if present and easy to do, seek medical advice if irritation persists
Skin Contact: Wash skin thoroughly with soap and water, remove contaminated clothing, seek medical attention if skin shows symptoms
Inhalation: Move victim to fresh air, keep at rest in a position comfortable for breathing, consult physician if symptoms develop
Ingestion: Rinse mouth thoroughly, do not induce vomiting, seek medical help if large amounts are swallowed or symptoms occur, never give anything by mouth to an unconscious person
Suitable Extinguishing Media: Dry chemical, foam, carbon dioxide, water spray
Hazards from Combustion: Carbon monoxide, carbon dioxide, silicon oxides, sulfur oxides may form, dense black smoke possible
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear to avoid inhaling smoke and fumes
Special Procedures: Isolate fire area, cool adjacent structures with water spray, avoid water runoff, use caution to prevent slipping on spilled product
Personal Precautions: Evacuate unprotected personnel, ventilate affected area, avoid dust generation, wear respiratory protection, gloves, goggles, and protective clothing
Environmental precautions: Prevent product from entering drains, sewers, watercourses, use earth or sand to contain spilled materials, inform relevant authorities if major spills threaten the environment
Spill Clean-Up: Collect spilled material with shovel or vacuum, minimize dust, store collected waste in labeled, sealed container, dispose in accordance with local regulations
Handling: Wear suitable PPE including gloves and goggles, use local exhaust ventilation, avoid contact with skin, eyes, avoid breathing dust, never eat, drink, or smoke during product use, handle in accordance with good industrial hygiene practices
Storage: Keep containers tightly closed, store in a cool, dry, well-ventilated area, protect from moisture and direct sunlight, store separately from strong oxidizers and acids, label containers properly, keep away from foodstuffs and incompatible materials
Occupational Exposure Limits: Carbon black: OSHA PEL 3.5 mg/m³ (TWA); ACGIH TLV 3.5 mg/m³ (TWA); Bis[3-(Triethoxysilyl)Propyl]Disulfide not assigned specific limits
Engineering Controls: Use local exhaust ventilation to minimize dust, process enclosure or general room ventilation as required
Personal Protective Equipment: Chemical safety goggles, impervious gloves (e.g., nitrile), disposable dust mask or respirator with particulate filter, protective footwear, long-sleeved clothing, emergency eyewash and showers in immediate work area recommended
Appearance: Fine black powder or granules
Odor: Mild, characteristic organic
pH: Not applicable (water insoluble)
Melting Point: Not defined, decomposes
Boiling Point: Not applicable
Flash Point: Bis[3-(Triethoxysilyl)Propyl]Disulfide approx. 110°C (closed cup)
Flammability: Not highly flammable, supports combustion under suitable conditions
Vapor Pressure: Low at ambient temperatures
Solubility: Insoluble in water; dispersible in organic solvents
Specific Gravity: 1.7–1.8 (typical)
Chemical Stability: Stable under recommended conditions, avoid moisture ingress
Reactivity: Reacts with strong oxidizers, acids, alkalis may degrade silane
Incompatible Materials: Avoid strong acids, bases, oxidizing agents
Decomposition: Heating may release silicon oxides, carbon monoxide, sulfur compounds
Hazardous Reactions: Product will not undergo polymerization under normal storage or handling
Acute Toxicity: Oral and dermal LD50 for mixture not available; Bis[3-(Triethoxysilyl)Propyl]Disulfide: LD50 (oral, rat) > 2000 mg/kg; Carbon Black: low acute toxicity, but inhalation of dust can irritate the respiratory tract
Skin Irritation: Causes mild to moderate irritation, repeated or prolonged exposure may cause dermatitis
Eye Irritation: Causes irritation, redness, tearing upon exposure
Respiratory Effects: Repeated or prolonged inhalation exposure may aggravate conditions such as bronchitis, asthma
Carcinogenicity: Carbon Black classified as IARC Group 2B (possibly carcinogenic to humans) by inhalation; no evidence for bis[3-(triethoxysilyl)propyl]disulfide carcinogenicity
Other Health Effects: High exposure may worsen existing lung disease or skin conditions
Aquatic Toxicity: Bis[3-(Triethoxysilyl)Propyl]Disulfide: low acute toxicity to fish and invertebrates; Carbon Black: practically insoluble, not expected to acutely harm aquatic life
Persistence and Degradability: Both components are poorly biodegradable, persist in the environment
Bioaccumulation: Little potential for bioaccumulation
Mobility: Product binds soil or sediment and is not expected to migrate to ground water
Other Adverse Effects: No known significant effects or hazards to the environment under normal use conditions, avoid releasing large quantities into waterways
Waste Disposal: Collect and place in suitable containers for disposal in accordance with local, regional, and national regulations
Contaminated Packaging: Containers may retain product residue, should be disposed of as hazardous waste
Precautions: Do not dispose of product or packaging by burning in open air, prevent from entering drains or watercourses, seek guidance from local environmental authorities for proper disposal options
UN Number: Not classified as dangerous goods under most transport regulations
Proper Shipping Name: N/A; consult local requirements
Hazard Class: Not regulated
Packing Group: Not applicable
Special Precautions: Avoid generating airborne dust during transport, keep containers tightly closed and secured, ensure labeling is clear according to regulations
TSCA Status: All components are listed or exempt
REACH Registration: Components registered as required for European Union
Labeling Requirements: Follow labeling in accordance with OSHA Hazard Communication Standard, or GHS as required
SARA 313: Not listed
California Proposition 65: Carbon Black (airborne, unbound particles) listed as carcinogen
Other Local Regulations: Workplace exposure limits may apply in specific jurisdictions, always comply with occupational health, safety, and environmental regulations
