Product Name: Octadecyltrimethylammonium Bromide
Synonyms: Stearyltrimethylammonium Bromide, Stearyl Quaternary Ammonium Bromide
Chemical Formula: C21H46BrN
CAS Number: 1120-02-1
Intended Use: Surfactant, phase transfer agent, laboratory reagent
Supplier Name: [Supplier entry]
Contact Information: Emergency phone number, company address, email
Classification: Acute Oral Toxicity Category 4, Skin Irritation Category 2, Eye Irritation Category 2A, Aquatic Acute Category 1, Aquatic Chronic Category 2
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye irritation, toxic to aquatic life, causes long-lasting harmful effects on aquatic environments
Pictograms: Exclamation mark, Environment
Precautionary Statements: Wash hands thoroughly after handling, avoid release to the environment, wear protective gloves, clothing, eye and face protection, if swallowed call poison center or doctor, if on skin wash with plenty of water, if in eyes rinse cautiously for minutes and remove contact lenses if present
Chemical Name: Octadecyltrimethylammonium Bromide
Common Name: Stearyltrimethylammonium Bromide
CAS Number: 1120-02-1
Concentration: 98-100% by weight
Impurities: No significant impurities expected for general use
Inhalation: Move person to fresh air, seek medical attention if symptoms develop, loosen tight clothing
Skin Contact: Wash affected area with soap and water, remove contaminated clothing, seek medical advice if irritation persists
Eye Contact: Rinse immediately with plenty of water, keep eyelids apart, remove contact lenses, continue to rinse for at least 15 minutes, consult an ophthalmologist
Ingestion: Do not induce vomiting, rinse mouth with water, never give anything by mouth to an unconscious person, call poison control and seek immediate medical attention
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray
Specific Hazards: Combustion may produce toxic fumes, including carbon monoxide, nitrogen oxides, hydrogen bromide gas
Protective Equipment: Firefighters should wear self-contained breathing apparatus, use full protective gear
Advice for Firefighters: Keep containers cool with water spray, prevent run-off from entering drains or watercourses, use extinguishing media appropriate for surrounding fire
Personal Precautions: Wear gloves, eye protection, protective clothing, avoid breathing dust
Environmental Precautions: Prevent product from entering drains, soil, and waterways
Methods for Cleaning Up: Sweep up and place in suitable containers for disposal, wash spill site after material pickup is complete, ventilate area, avoid creating dust, dispose of collected material in accordance with local regulations
Precautions for Safe Handling: Handle in well-ventilated place, avoid dust generation, do not eat, drink, or smoke during use, wash hands thoroughly after use, avoid contact with skin and eyes
Conditions for Safe Storage: Store in tightly closed original container, keep in cool, dry, well-ventilated area, protect from light, moisture, and incompatible substances, segregate from oxidizers and strong acids
Exposure Limits: No occupational exposure limits established
Engineering Controls: Use in fume cupboard, provide eyewash stations and emergency showers
Personal Protective Equipment: Wear gloves impermeable to chemicals, chemical splash goggles, laboratory coat, face shield if splashing possible, suitable respiratory protection if dust is generated, handle with care to prevent skin and eye contact
Appearance: White powder or crystals
Odor: Almost odorless
Odor Threshold: Not relevant
pH: Neutral to slightly alkaline in solution
Melting Point: 237-242 °C
Boiling Point: Decomposes before boiling
Flash Point: Not applicable
Evaporation Rate: Not determined
Flammability: Not flammable
Vapor Pressure: Negligible
Vapor Density: Not applicable
Relative Density: 0.98 g/cm³
Solubility in Water: Soluble
Partition Coefficient (log Kow): Not available
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: >200 °C (May emit toxic fumes)
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: No dangerous reactions identified under normal use
Conditions to Avoid: Avoid exposure to extreme temperatures, high moisture, strong light
Incompatible Materials: Strong oxidizers, strong acids, reducing agents
Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, hydrogen bromide gas
Acute Toxicity (Oral LD50): 400 mg/kg (Rat)
Skin Corrosion/Irritation: Causes skin irritation
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: Not classified
Skin Sensitization: Not classified
Germ Cell Mutagenicity: No data available
Carcinogenicity: Not classified
Reproductive Toxicity: Not classified
Specific Target Organ Toxicity (Single Exposure): May cause irritation to respiratory tract
Specific Target Organ Toxicity (Repeated Exposure): No data available
Aspiration Hazard: Not classified
Toxicity: Aquatic toxicity to fish and invertebrates, highly toxic to aquatic life (LC50/EC50 under 1 mg/L for many species)
Persistence and Degradability: Surfactant component may degrade slowly, potential for persistence in environment
Bioaccumulative Potential: Moderate bioaccumulation potential
Mobility in Soil: Low to moderate mobility, adsorbs to sediment and soil
Other Adverse Effects: Product can cause harmful effects to aquatic organisms even at small concentrations, avoid product release in natural environments
Waste Disposal Method: Dispose of in accordance with local, state, and federal regulations, avoid discharge into drains or watercourses
Contaminated Packaging: Rinse with water and dispose safely or incinerate at licensed facility
Special Precautions: Consult local authority for specific disposal recommendations, do not allow product to enter environment uncontrolled
UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (Octadecyltrimethylammonium Bromide)
Transport Hazard Class: 9 (Miscellaneous dangerous substances and articles)
Packing Group: III
Marine Pollutant: Yes
Special Precautions: Avoid release to the environment during transport, ensure container integrity
TSCA (US): Listed
EINECS/ELINCS (EU): Listed
REACH Status: Subject to registration
Other Relevant Regulations: Subject to provisions under OSHA Hazard Communication, SARA Title III, and environmental protection laws
Label Elements: Follows GHS standards; hazard pictograms, signal word, hazard, and precautionary statements as previously outlined
Restrictions: Use limited to qualified professionals following good industrial hygiene and safety practices
