Product Name: Dodecyldimethylethylammonium Bromide
Synonyms: N,N-Dimethyl-N-ethyl-dodecylammonium Bromide
CAS Number: 1971-57-1
Recommended Use: Surfactant, disinfectant agent, in laboratory research
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GHS Classification: Acute toxicity (oral, dermal, inhalation), Skin corrosion/irritation, Serious eye damage/eye irritation, Hazardous to aquatic environment
Signal Word: Danger
Hazard Statements: Toxic if swallowed or inhaled, causes severe skin burns and eye damage, very toxic to aquatic life
Pictograms: Corrosive, Skull and Crossbones, Environment
Precautionary Statements: Avoid breathing dust and vapors, use only outdoors or in a well-ventilated area, avoid release to the environment, wash hands thoroughly after handling
Chemical Name: Dodecyldimethylethylammonium Bromide
Common Name: Quaternary ammonium salt
CAS Number: 1971-57-1
Concentration: >98% (pure product)
Impurities/Additives: None known at this purity for laboratory grade
Inhalation: Move person to fresh air, keep comfortable for breathing, seek medical attention if symptoms persist, provide artificial respiration if necessary
Skin Contact: Remove contaminated clothing, flush skin with plenty of water for at least 15 minutes, do not use solvents or thinners, seek immediate medical attention
Eye Contact: Rinse eyes cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek medical attention without delay
Ingestion: Rinse mouth, do not induce vomiting, get significant medical attention at once, never give anything by mouth to an unconscious person
Most Important Symptoms: Burning, irritation, coughing, shortness of breath, severe gastric pain, potential chemical burns
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: Strong water jets
Specific Hazards: Emits toxic fumes under fire conditions, including hydrogen bromide, nitrogen oxides, carbon monoxide
Protective Equipment for Firefighters: Wear self-contained breathing apparatus, full protective clothing
Special Procedures: Avoid contact with skin and eyes, do not breathe fire fumes, use water spray to cool exposed containers
Personal Precautions: Evacuate area, ventilate, avoid breathing dust, use protective gloves, goggles, protective suit
Environmental Precautions: Prevent product from entering drains, watercourses, and soil
Cleanup Methods: Collect spilled product mechanically, avoid creating dust, transfer to suitable waste container, clean area with plenty of water, dispose according to local regulations
Handling: Ensure good ventilation in the workspace, minimize dust formation, avoid contact with skin, eyes, and clothing, keep away from food and beverages, wash thoroughly after use
Storage Conditions: Store tightly closed in a cool, dry, well-ventilated place, protect from moisture and incompatible materials (strong oxidizers, reducing agents), keep away from direct sunlight, segregate from food and feedstuffs
Incompatible Materials: Strong acids, bases, and oxidizing agents
Control Parameters: No occupational exposure limit known for this substance
Engineering Controls: Use chemical fume hood, safety shower, and eyewash station near the working area
Personal Respiratory Protection: Approved respirator for dust and mists
Hand Protection: Chemical-resistant gloves (nitrile or neoprene preferred)
Eye Protection: Chemical splash goggles and face shield
Skin and Body Protection: Chemical-resistant apron or suit, long-sleeved clothing
Hygiene Measures: Do not eat, drink, or smoke while handling, wash hands and face thoroughly after handling
Form: Solid, powder or crystalline
Color: White to off-white
Odor: Slight odor, amine-like
Molecular Formula: C16H36BrN
Molecular Weight: 322.37 g/mol
Melting Point: 235-240°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, alcohols, acetone
pH: Solution is slightly alkaline
Vapor Pressure: Negligible at room temperature
Partition Coefficient: Data not available
Flash Point: Not flammable
Autoignition Temperature: No data
Chemical Stability: Stable under recommended storage conditions
Reactivity: No dangerous reactions known if stored and handled as directed
Hazardous Reactions: May decompose on contact with strong acids or oxidizing agents
Conditions to Avoid: Moisture, extreme temperatures, incompatible materials
Decomposition Products: Hydrogen bromide, nitrogen oxides, carbon monoxide, carbon dioxide
Acute Toxicity: Toxic if ingested, inhaled, or absorbed through skin, oral LD50 (rat) around 150 mg/kg
Skin Corrosion/Irritation: Strongly irritating to skin, may cause chemical burns
Serious Eye Damage/Irritation: Causes serious eye damage, risk of blindness
Respiratory Sensitization: Irritating to respiratory system
Mutagenicity: No adequate data, not classified
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, or OSHA
Repeated Dose Toxicity: No data on chronic effects in humans
Other Information: Prolonged exposure can damage mucous membranes, kidneys, and liver based on similar compounds
Aquatic Toxicity: Very toxic to aquatic organisms even at low concentrations, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Not readily biodegradable
Bioaccumulative Potential: Can accumulate in aquatic organisms
Mobility in Soil: Likely to adsorb to soil particles
Other Adverse Effects: Avoid discharge into drains and watercourses
Waste Treatment Methods: Collect residues and contaminated materials in suitable containers, send for disposal to authorized chemical waste facility
Disposal of Packaging: Dispose of as hazardous waste, do not reuse empty containers
Other Precautions: Never dispose of into watercourses, sewers, or open environment
Regulatory Waste Codes: Contact local authority for applicable hazardous waste codes
UN Number: 1759
UN Proper Shipping Name: Corrosive solid, n.o.s. (Dodecyldimethylethylammonium Bromide)
Transport Hazard Class: 8
Packing Group: II
Marine Pollutant: Yes
Special Precautions: Transport in tightly sealed containers, away from incompatible materials, according to national and international regulations
Additional Information: Avoid stacking packages, secure cargo against shifting
OSHA: Hazardous by definition of Hazard Communication Standard
TSCA: Listed on the TSCA Inventory
EU Classification: Corrosive, Toxic, Dangerous for the environment
SARA Title III Sections 302/313: Not specifically listed
REACH Status: Registered or pre-registered
Other Information: This material subject to local chemical regulations and restrictions regarding environmental release and workplace exposure
