Product Name: Benzyldimethylstearylammonium Chloride
Synonyms: Stearyl dimethyl benzyl ammonium chloride, Quaternary ammonium compound
Chemical Family: Quaternary ammonium salt
Molecular Formula: C27H48ClN
CAS Number: 122-19-0
Intended Use: Disinfectant, biocide, surfactant in industrial and consumer applications
Manufacturer Information: Identify manufacturer’s name, address, emergency contact phone
GHS Classification: Acute toxicity (oral) - Category 4; Skin corrosion/irritation - Category 1B; Serious eye damage/eye irritation - Category 1; Hazardous to the aquatic environment (acute/chronic) - Category 1
Signal Word: Danger
Hazard Statements: Harmful if swallowed; Causes severe skin burns and eye damage; Very toxic to aquatic life with long lasting effects
Pictograms: Corrosion, exclamation mark, environment
Precautionary Statements: Wear protective gloves, clothing, and eye protection; Wash thoroughly after handling; Avoid release to environment; Do not eat, drink, or smoke during use
Chemical Name: Benzyldimethylstearylammonium Chloride
Concentration: Pure product or diluted as per formulation (typically 10-80%)
CAS Number: 122-19-0
Impurities/Additives: Trace impurities do not significantly contribute to classification
Other Ingredients: Water or other solvents may be present in commercial formulations
Inhalation: Move person to fresh air, keep comfortable, seek medical advice if symptoms develop
Skin Contact: Remove all contaminated clothing, rinse skin immediately with plenty of water, seek medical advice if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing and seek immediate medical attention
Ingestion: Rinse mouth, do not induce vomiting, call poison center or doctor immediately
Symptoms/Effects: Burning sensation, coughing, shortness of breath, reddening or blistering of skin, severe eye injuries
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Media: Direct stream of water may spread chemical
Specific Hazards: Thermal decomposition may release hydrogen chloride, nitrogen oxides, carbon monoxide
Special Protective Equipment: Self-contained breathing apparatus, full protective clothing
Advice for Firefighters: Evacuate area, cool containers with water spray, avoid breathing vapors
Personal Precautions: Wear chemical-resistant gloves, goggles, and suitable protective clothing
Environmental Precautions: Prevent further leakage or spillage, keep away from water bodies, contain runoff
Methods for Cleaning Up: Absorb with inert material (sand, earth), collect and place in suitable container, ventilate area, wash spill site after pickup
Disposal: Dispose of contaminated materials according to local, regional, and national regulations
Handling: Use with adequate ventilation, avoid contact with skin, eyes, and clothing, do not inhale vapors, keep container tightly closed, do not eat or drink near product, avoid sources of ignition
Storage: Store in original container, in a cool, dry, well-ventilated area away from direct sunlight, incompatible materials, acids, strong oxidizing agents, protect from freezing and moisture, ensure containers are labeled, keep away from food, animals, and untrained personnel
Occupational Exposure Limits: No established ACGIH or OSHA limits, control exposure to lowest practical level
Engineering Controls: Local exhaust ventilation, enclosed processes
Personal Protective Equipment: Chemical splash goggles, face shield, chemical-resistant gloves (nitrile or neoprene), apron or protective suit, rubber boots
Respiratory Protection: Use NIOSH-approved respirator where adequate ventilation is not possible, especially during large spills
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing, do not reuse until laundered
Appearance: Waxy solid or viscous liquid, white to yellowish
Odor: Mild, characteristic
pH: Usually 6 - 8 for aqueous solutions
Melting Point: Around 56-62°C
Boiling Point: Not available (decomposes)
Flash Point: Above 100°C
Relative Density: Approx. 0.9 to 1.0 g/cm³ (for solution)
Solubility: Soluble in water and alcohols
Vapor Pressure: Not meaningful at room temperature
Partition Coefficient (log Kow): Expected to be high (lipophilic)
Viscosity: Varies with concentration and temperature
Other Data: Forms foamy solutions, hygroscopic in nature
Chemical Stability: Stable under normal conditions
Reactivity: No hazardous reactions under proper use
Conditions to Avoid: Excessive heat, light, moisture, acids, oxidizers
Incompatible Materials: Strong acids, strong oxidizing agents, anionic surfactants
Hazardous Decomposition: Hydrogen chloride, benzyl chloride, nitrogen oxides in the event of fire or thermal decomposition
Polymerization: No dangerous polymerization expected
Acute Toxicity (Oral): LD50 rat approximately 400-900 mg/kg
Skin Corrosion/Irritation: Causes burns, damage increases with concentration and contact time
Serious Eye Damage/Irritation: Causes severe eye damage, risk of permanent injury
Respiratory Sensitization: Irritating to respiratory tract; chronic exposure may cause asthma-like symptoms
Chronic Effects: Not classified as carcinogenic, mutagenic, or reprotoxic; repeated exposure may cause dermatitis
Other Health Hazards: No indication of bioaccumulation potential
Acute Aquatic Toxicity: Very toxic to aquatic life (EC50 for Daphnia magna around 0.02-0.3 mg/L)
Chronic Aquatic Toxicity: Persistent in water, long-term adverse effects on aquatic organisms
Persistence and Degradability: Partially biodegradable under aerobic conditions
Bioaccumulation Potential: Potential to bioaccumulate in aquatic organisms
Mobility in Soil: Strong adsorption to soil particles, risk of contamination in aquatic environments
Other Adverse Effects: Releases into water can cause foaming and disrupt biological wastewater treatment
Waste Treatment Methods: Do not discharge to sewers or waterways, incinerate according to local regulations, treat as hazardous chemical waste
Container Disposal: Rinse containers thoroughly prior to recycling or disposal, follow national and local regulations
Precautions: Avoid contact with incompatible wastes, ensure waste handlers use proper personal protective equipment
UN Number: UN 2922
Proper Shipping Name: Corrosive liquid, toxic, n.o.s. (contains Benzyldimethylstearylammonium Chloride)
Transport Hazard Class: 8 (Corrosive), 6.1 (Toxic)
Packing Group: II
Marine Pollutant: Yes
Special Precautions: Keep containers upright and secure, segregate from foodstuffs, inform carriers of corrosive properties
Transport Labels: Corrosive and Toxic symbols must be present on all bulk containers
Inventory Status: Listed on TSCA (US), EINECS (EU), DSL (Canada), AICS (Australia), ENCS (Japan)
OSHA Hazard Communication: Classified as hazardous chemical
SARA Title III: Subject to section 311/312 (acute health, chronic health, immediate risk)
RCRA Status: Not a listed hazardous waste, but waste characteristics may apply
REACH Status: Requires registration in the European Union for manufacture or import above threshold amounts
Other Local Regulation: Check state/provincial requirements regarding use, storage, disposal, and reporting
