Product Name: Dodecyltrimethylammonium Chloride
Synonyms: Lauryltrimethylammonium Chloride, DTAC
Chemical Formula: C15H34ClN
CAS Number: 112-00-5
Recommended Use: Used as a surfactant, disinfectant, antistatic agent, and industrial cleaning chemical
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Classification: Skin Irritant, Eye Irritant, Acute Toxicity (Oral), Aquatic Toxicity
Label Elements: Signal Word: Warning, Hazard pictograms: exclamation mark, aquatic toxicity symbol
Hazard Statements: Causes skin irritation, causes serious eye irritation, toxic to aquatic life with long-lasting effects
Precautionary Statements: Avoid release to environment, avoid contact with eyes and skin, wash hands thoroughly after handling
Route of Exposure: Skin, eyes, inhalation, ingestion
Potential Health Effects: Redness, pain, irritation, respiratory discomfort, nausea
Environmental Effects: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Chemical Name: Dodecyltrimethylammonium Chloride
Concentration: Typically 98% or higher (for industrial grade)
Impurities: May include trace amounts of related quaternary ammonium compounds and water
Hazardous Components: Dodecyltrimethylammonium Chloride (CAS No. 112-00-5)
Inhalation: Move to fresh air, keep person comfortable, seek medical attention if symptoms continue
Skin Contact: Remove contaminated clothing, wash skin with plenty of soap and water, get medical advice if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, seek medical advice
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical help
Most Important Symptoms/Effects: Eye and skin irritation, nausea, headache
Notes for Physicians: Treat symptoms, no specific antidote available
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, or carbon dioxide
Unsuitable Media: Direct water jet may spread fire
Special Hazards: May produce toxic gases such as hydrogen chloride and nitrogen oxides during combustion
Protective Equipment: Firefighters should use self-contained breathing apparatus, wear chemical-resistant clothing
Fire/Explosion Risk: Dust may form explosive mixture with air in certain conditions, product itself not highly flammable
Advice for Firefighters: Contain run-off to prevent entry into waterways
Personal Precautions: Wear suitable protective equipment including gloves, goggles, and respirator depending on ventilation
Environmental Precautions: Prevent product from entering drains, waterways, or soil
Methods for Clean-Up: Use inert absorbent (like sand or vermiculite), sweep up and place in suitable container for disposal, ventilate area
Spill Handling: Avoid creating dust or aerosols, wash spill site after material pickup is complete
Handling: Use with adequate ventilation, avoid breathing dust and contact with eyes/skin, do not eat, drink, or smoke while handling
Hygiene Measures: Wash hands thoroughly before breaks and after use, remove contaminated clothing
Storage Conditions: Store in a cool, dry, well-ventilated area, keep container tightly closed, keep away from incompatible materials (e.g., strong oxidizers)
Storage Temperature: Preferably below 30°C
Incompatibilities: Strong oxidizing agents, strong acids, some metals
Exposure Limits: No occupational exposure limits established specifically for Dodecyltrimethylammonium Chloride
Engineering Controls: Local exhaust ventilation or adequate general ventilation
Personal Protective Equipment (PPE): Chemical-resistant gloves, protective goggles, lab coat or apron, suitable respiratory protection for dust or aerosol
Eye/Face Protection: Safety goggles or face shield
Skin Protection: Lab coat, long sleeves, chemical-resistant gloves
Respiratory Protection: Approved NIOSH/MSHA respirator if dust/aerosol risk present
Environmental Controls: Avoid release to environment, use collection and containment to prevent spill spread
Appearance: White to off-white crystalline powder or solid
Odor: Odorless or faint amine-like scent
pH: Approximately 6-8 (1% solution)
Melting Point: 232-234°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, alcohol
Relative Density: 0.92 – 0.98 g/cm³
Vapor Pressure: Negligible at room temperature
Partition Coefficient (log Kow): 2 - 4 (moderate potential for bioaccumulation)
Flash Point: Not flammable in solid state
Stability in Storage: Stable under recommended storage conditions
Decomposition Temperature: >230°C
Chemical Stability: Stable under normal conditions, sensitive to moisture and high temperature
Hazardous Reactions: Reacts with strong oxidizing agents, may generate toxic fumes if decomposed
Conditions to Avoid: Heat, open flame, incompatible materials
Incompatible Materials: Strong acids, strong oxidizers
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon oxides
Acute Toxicity: Oral LD50 in rats ranges from 200-300 mg/kg, considered toxic if swallowed
Skin Irritation: Causes moderate to severe irritation upon prolonged or repeated contact
Eye Irritation: Causes serious eye irritation, risk of corneal injury
Respiratory Sensitization: Inhalation of high concentrations may cause irritation to respiratory tract
Chronic Effects: No known chronic toxicity at occupational exposure levels
Carcinogenicity: Not classified as carcinogen by OSHA, IARC, NTP
Mutagenicity: Not known to be mutagenic
Reproductive Toxicity: No data suggesting reproductive harm in humans
Ecotoxicity: Highly toxic to aquatic life, LC50 (fish, 96h): below 1 mg/L
Persistence and Degradability: Not easily biodegradable, remains in environment for long periods
Bioaccumulation Potential: Moderate, potential to accumulate in aquatic organisms
Mobility in Soil: May bind to soil and sediment, limited mobility in low pH or high organic content
Other Adverse Effects: Harmful to aquatic plants and invertebrates, prolonged effect in aquatic systems
Waste Disposal Methods: Incineration preferred if permitted, follow local, state, and federal regulations
Contaminated Packaging: Empty containers should be handled as hazardous waste, triple rinse before disposal
Special Precautions: Prevent waste from entering drains or watercourses, do not discharge to environment unsupervised
UN Number: 2923 (for toxic solid, corrosive, organic, n.o.s)
Proper Shipping Name: Toxic Solid, Corrosive, Organic, N.O.S. (contains Dodecyltrimethylammonium Chloride)
Transport Hazard Class: 6.1 (toxic substances), 8 (corrosive substances)
Packing Group: II
Marine Pollutant: Yes
Special Precautions for Transport: Avoid contact with incompatible materials, prevent package damage during transit
OSHA Status: Hazardous chemical
TSCA (USA): Listed
EU Regulation (REACH): Registered or pre-registered
DSL Status (Canada): Listed on Canadian Domestic Substances List
WHMIS Classification: D2B (Toxic material causing other toxic effects), E (Corrosive)
Other Regulatory Listings: Appears on relevant international chemical inventories
Restrictions: Not intended for food, drug, or cosmetic use
Labeling Requirements: Hazard pictograms, signal word, hazard and precautionary statements in compliance with GHS/CLP guidelines
