Product Name: Benzyldodecyldimethylammonium Chloride Hydrate
SYNONYMS: Laurylbenzyl-dimethylammonium chloride hydrate
CAS Number: 139-07-1 (Anhydrous form), hydrate form varies
Recommended Use: Disinfectant, sanitizing agent, fungicide, bactericide
Supplier Details: Name, address, and emergency contact details of the supplier or manufacturer
Emergency Phone Number: Listed by regional regulatory requirements
UN Number: 2922
Classification: Acute Toxicity (Oral) Category 4, Skin Corrosion Category 1, Eye Damage Category 1, Acute Aquatic Toxicity Category 1
Signal Word: Danger
Hazard Pictograms: Corrosive, Skull and Crossbones, Environment
Hazard Statements: Harmful if swallowed, causes severe skin burns and eye damage, very toxic to aquatic life
Precautionary Statements: Do not breathe dust or mist, wash thoroughly after handling, avoid release to the environment, wear protective gloves/clothing/eye and face protection
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Chemical Name: Benzyldodecyldimethylammonium Chloride Hydrate
CAS Number: 139-07-1 (base compound)
Concentration: 98-100% (hydrate content varies by source and supplier)
Impurities: Water (for hydrate), other quaternary ammonium compounds in trace amounts depending on manufacturing
Molecular Formula: C21H38ClN · xH2O
EC Number: 205-351-5
Inhalation: Move to fresh air immediately; keep comfortable for breathing; seek medical attention for symptoms such as coughing, shortness of breath, or throat irritation
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes; use soap; seek medical consultation for burns or irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy; seek immediate medical advice or treatment
Ingestion: Rinse mouth, do not induce vomiting, give water if conscious; get medical attention right away
Symptoms and Effects: Burns, blisters, respiratory irritation, gastrointestinal distress, severe eye injury
Advice to Physicians: Treat based on symptoms, consider delayed pulmonary edema or upper airway swelling
Suitable Extinguishing Media: Water spray, chemical foam, carbon dioxide, dry chemical powder
Unsuitable Extinguishing Media: Avoid high pressure water streams that can spread chemicals
Hazards from Combustion: Chlorine, hydrogen chloride, nitrogen oxides, carbon monoxide, several organic compounds
Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Specific Fire-Fighting Methods: Remove containers from fire area if this can be done safely; cool exposed containers with water spray to prevent rupture
Explosion Sensitivity: Product is not explosive under standard conditions; concentrations in air above the flash point can pose fire risk
Personal Precautions: Wear chemical-proof gloves, protective clothing, eye and face protection, and respiratory protection if dust or mist is present
Environmental Precautions: Prevent further leakage or spillage if possible and avoid discharge into drains, sewers, and natural waterways
Methods for Clean-up: Absorb spills with inert material (sand, soil, earth, vermiculite), collect into suitable labeled containers for disposal; clean area with plenty of water
Small Spills: Ventilate area, use non-sparking tools, pick up mechanically
Large Spills: Evacuate area, contain spill using dikes or absorbent barriers
Disposal of Clean-up Materials: Dispose contaminated materials as hazardous waste per local regulations
Precautions for Safe Handling: Use only in well-ventilated areas; avoid contact with skin or eyes; do not breathe dust, vapor, or mist; wash hands thoroughly after use
Storage Conditions: Store in tightly closed, clearly labeled containers in a dry, cool, well-ventilated area away from incompatible materials such as strong oxidizers and acids
Incompatibilities: Acids, strong oxidizing agents, anionic surfactants
Special Requirements: Keep away from sources of ignition, sparks, and open flames; keep container tightly sealed
Shelf Life: Follow manufacturer’s recommendations; degrade in sunlight or high heat
Exposure Limits: Not established for this specific compound; assess based on workplace air monitoring and control limits for quaternary ammonium compounds
Engineering Controls: Use adequate ventilation or local exhaust; install eyewash stations and safety showers in work area
Personal Protection – Eyes: Chemical splash goggles or face shield
Personal Protection – Skin: Protective gloves (nitrile, neoprene), chemical-resistant apron or lab coat
Personal Protection – Respiratory: Use approved respirators (NIOSH/MSHA) if exposure to airborne particles/dust/vapors
Hygiene Measures: Do not eat, drink, or smoke during handling; wash hands and face after work
Environmental Exposure Controls: Prevent chemical from reaching drains, soils, and water sources
Appearance: White to pale yellow crystalline solid, may form waxy solid
Odor: Faint, ammoniacal odor
Odor Threshold: No data available
pH: 6-8 (1% solution in water)
Melting Point/Freezing Point: 45-50°C (varies with hydrate content)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: >100°C
Evaporation Rate: Not applicable
Flammability: Not flammable under standard conditions
Vapor Pressure: Very low
Vapor Density: Not determined
Relative Density: 0.98-1.04 g/cm³
Solubility: Soluble in water; insoluble in nonpolar organic solvents
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: >150°C
Viscosity: Not available
Chemical Stability: Stable under normal storage conditions, sensitive to strong acids and oxidizing agents
Conditions to Avoid: Excessive heat, ignition sources, direct sunlight
Materials to Avoid: Strong oxidizing agents, acids, anionic detergents, reducing agents
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, other organic and inorganic fumes
Hazardous Polymerization: Does not polymerize
Reactivity: Reacts with strong acids to produce toxic gases; contact with calcium hypochlorite or similar oxidizers causes exothermic reaction
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity (Oral): LD50 (rat) 400-500 mg/kg
Acute Toxicity (Dermal): LD50 (rabbit) 1380 mg/kg
Inhalation: Irritating to respiratory system, cough, sore throat
Skin Corrosion/Irritation: Causes severe burns on contact
Eye Damage/Irritation: Causes irreversible eye damage, risk of blindness
Sensitization: May cause allergic skin reaction in sensitive individuals
Chronic Effects: Prolonged exposure can cause dermatitis and other chronic symptoms
Mutagenicity: No comprehensive data available
Carcinogenicity: Not classified as carcinogenic based on available data
Reproductive Toxicity: Data limited, no significant effects documented in standard tests
Other Notes: Product is not suspected to be absorbed through unbroken skin in large quantities under normal use
Aquatic Toxicity: Very toxic to aquatic life; LC50 (Fish, 96h): 0.5–2 mg/L
Persistence and Degradability: Degrades slowly; quaternary ammonium compounds tend to adsorb to soils and sediments
Bioaccumulative Potential: Low to moderate potential for bioaccumulation depending on conditions
Mobility in Soil: Binds to soil particles; can reach groundwater in significant spills
Other Adverse Effects: Harmful to algae, invertebrates
Degradation Products: Breakdown in environment produces smaller alkyl amines and benzyl derivatives, can be toxic
Precautionary Notes: Avoid release to open water, respect buffer zones for any agricultural or sanitation use
Waste Treatment Methods: Do not dispose to drains or the environment
Disposal Instructions: Treat as hazardous waste, use licensed chemical waste contractor
Container Disposal: Rinse with suitable solvent or water, then dispose of in accordance with national and local regulations; do not reuse empty containers
Incineration: Allowed only at licensed facilities equipped for quaternary ammonium salt destruction
National/Regional Considerations: Consult local, regional, state, and national regulations for permitted disposal options; typical waste code EPA D002 (corrosive waste)
UN Number: UN2922
UN Proper Shipping Name: Corrosive liquid, toxic, n.o.s. (contains Benzyldodecyldimethylammonium chloride)
Transport Hazard Class: 8 (corrosive) / 6.1 (toxic)
Packing Group: II
Label Requirements: Corrosive and toxic labels
Marine Pollutant: Yes
Special Precautions: Use robust packaging, avoid shipment with incompatible materials, emergency response required for spills
Transport Regulations: ADR/RID, IMDG, IATA recognized
Safety, Health and Environmental Regulations: Listed on TSCA (US), REACH (EU), DSL (Canada), AICS (Australia), and other national inventories
OSHA/WHMIS: Classified as hazardous, subject to worker protection rules
Label Elements: Danger– causes severe burns and eye injury, very toxic to aquatic life
Chemical Safety Assessment: Required by EU REACH for quantities over 1 tonne per year
SARA Title III: Reporting under sections for acute and chronic health hazards likely required
Other Notes: Must comply with food-contact sanitizer limits under EPA, FDA, and EU biocidal product guidelines; careful attention to local water discharge limits for effluents containing this compound
