Product Name: N-Hexadecyl-N-Methylpiperidinium Bromide
Synonyms: Cetylmethylpiperidinium bromide
Chemical Family: Quaternary ammonium compound
Recommended Uses: Surfactant, biocidal applications, research reagent
Manufacturer: Information available upon request
Emergency Contact: Local Poison Control Center or medical emergency services
Classification: Acute toxicity (oral, dermal), skin irritation, eye irritation
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Wear protective gloves and eye protection, wash thoroughly after handling, do not eat, drink or smoke while using
Potential Health Effects: May cause gastrointestinal discomfort, skin redness, eye pain, respiratory irritation if inhaled
Environmental Hazard: Toxic to aquatic organisms, avoid release to environment
Chemical Name: N-Hexadecyl-N-Methylpiperidinium Bromide
CAS Number: 68309-22-2
EC Number: 269-915-7
Concentration: > 98% (pure substance), varies in dilute preparations
Impurities: Trace organic synthesis byproducts (not regarded as hazardous with proper handling)
General Notes: Remove person from exposure, consult medical attention
Inhalation: Move to fresh air, maintain breathing, seek medical advice if symptoms develop
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek advice if irritation persists
Eye Contact: Rinse immediately with plenty of water, remove contact lenses if present, seek medical attention
Ingestion: Rinse mouth, drink water, do not induce vomiting, contact physician or poison centre
Symptoms: Burning sensation, redness, pain, possible respiratory discomfort
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray
Specific Hazards: Emits toxic fumes of nitrogen oxides, carbon oxides, hydrogen bromide under fire conditions
Protective Equipment: Firefighters need self-contained breathing apparatus and protective clothing
Advice: Keep upwind of fire, move containers from area if possible without risk
Personal Protection: Wear gloves, goggles, and protective clothing to avoid contact
Environmental Precautions: Prevent entry to water bodies, drains, or soil
Containment: Collect spillage using non-combustible absorbent material such as sand or vermiculite
Cleanup: Place in suitable container for disposal, wash area with detergent and water, ventilate
Decontamination: Wipe surfaces thoroughly, ensure adequate ventilation, dispose effluent responsibly
Handling: Use in well-ventilated areas, avoid breathing vapors or dust, prevent skin and eye contact, follow hygiene rules after handling
Storage Conditions: Store in tightly closed container, keep in cool, dry place away from heat sources and incompatible materials
Incompatibilities: Strong oxidizers, strong acids
Information for Workers: Training on hazards and handling, access to emergency wash facilities
Occupational Exposure Limits: No established limit, control exposure through administrative and engineering methods
Engineering Controls: Use local exhaust ventilation, keep airborne levels as low as possible
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, lab coats, suitable respiratory protection where dust or aerosol forms
Environmental Controls: Minimize release to environment, use containment and proper disposal
Appearance: White to off-white powder or crystalline solid
Odor: Slight, characteristic
pH: 5 to 7 (in aqueous solution)
Melting Point: ~120°C (varies by purity)
Boiling Point: Decomposes before boiling
Solubility: Soluble in water and alcohols
Vapor Pressure: Negligible at ambient temperatures
Density: About 1.1 g/cm³
Partition Coefficient: Not available
Evaporation Rate: Not applicable
Other Data: Hygroscopic, stable under recommended conditions
Reactivity: Not highly reactive, stable in most environments
Chemical Stability: Stable under normal storage and handling conditions
Hazardous Reactions: May react with strong oxidizers, acids, or bases
Decomposition Products: Toxic fumes of hydrogen bromide, nitrogen oxides, carbon oxides
Conditions to Avoid: High temperature, moisture, exposure to incompatible materials
Acute Toxicity: Oral LD50 (rat): estimated 50-500 mg/kg (harmful if swallowed)
Skin Corrosion/Irritation: Causes skin irritation in animal tests
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: May cause irritation if inhaled as dust or aerosol
Carcinogenicity: Not listed as carcinogenic by NTP, IARC, or OSHA
Chronic Effects: Prolonged exposure may cause dermatitis, respiratory discomfort
Other Hazards: No known reproductive toxicity or mutagenicity with available data
Ecotoxicity: Toxic to aquatic life, long-lasting effects
Persistence and Degradability: Limited data, likely not readily biodegradable
Bioaccumulation Potential: May accumulate in aquatic organisms
Mobility in Soil: Mobile in aqueous environments, risk for surface and groundwater
Other Adverse Effects: Release to environment should be avoided
Waste Treatment Methods: Dispose of contents and container as hazardous chemical waste
Contaminated Packaging: Rinse thoroughly, treat as controlled waste
Special Precautions: Do not allow disposal into drains or watercourses, consult local, regional, or national regulations for appropriate disposal
Recommended Method: Incineration in a chemical incinerator equipped with scrubber
UN Number: 2811 (for toxic solid, organic, n.o.s.)
Proper Shipping Name: Toxic solid, organic, n.o.s. (contains N-Hexadecyl-N-Methylpiperidinium Bromide)
Hazard Class: 6.1 (Toxic substances)
Packing Group: III (moderate hazard)
Marine Pollutant: Yes
Special Precautions: Keep container tightly closed and protected from physical damage during transit
Inventory Status: Listed or pending listing in major chemical inventories (TSCA, EINECS, DSL)
SARA Title III: Not subject to Section 302, 304, or 313 reporting
OSHA Hazard Communication: Hazardous chemical
EU Classification: Harmful (Xn), Irritant (Xi), Dangerous for the environment (N)
Label Elements: As per GHS and regional laws
Other Regulations: Follow specific national, state/provincial, and local regulations for handling and use of toxic, irritating, and aquatic hazardous chemicals
