Product Name: Docosyltrimethylammonium Chloride
Chemical Formula: C25H54ClN
CAS Number: 17301-53-0
Manufacturer: [Information typically provided by supplier]
Recommended Use: Antistatic agent, emulsifier, surfactant in various industrial formulations, ingredient in personal care products, laboratory chemical
Emergency Phone Number: [Supplier emergency contact number provided on finalized MSDS]
Classification: Eye irritant (Category 2), Skin irritant (Category 2), Acute aquatic hazard (Category 1)
Signal Word: Warning
Hazard Statements: Causes skin irritation, Causes serious eye irritation, Toxic to aquatic life with long-lasting effects.
Pictograms: Exclamation mark, environment
Precautionary Statements: Avoid release to environment, Wear protective gloves/eye protection, Wash thoroughly after handling, In case of contact with eyes: Rinse cautiously with water
NFPA Ratings: Health 2, Flammability 1, Reactivity 0
Chemical Name: Docosyltrimethylammonium Chloride
SYNONYMS: DTAC, Dodecyltrimethylammonium chloride, Trimethyldocosylammonium chloride
Concentration: >98% (pure compound as sold)
Impurities: Contains very low levels of related quaternary ammonium compounds and diluent if present
Molecular Weight: 404.16 g/mol
Inhalation: Move person to fresh air, keep at rest in comfortable position, seek medical attention for symptoms like difficulty breathing, cough, or throat irritation
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical help if large quantities ingested or if symptoms persist
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for fifteen minutes, get medical attention if irritation develops
Eye Contact: Rinse immediately with running water for fifteen minutes keeping eyelids open, remove contact lenses, get prompt medical attention
Most Important Symptoms: Redness, irritation, burning sensation in affected tissues
Notes for Doctor: Treat symptomatically, monitor for respiratory distress, supportive care
Suitable Extinguishing Media: Dry chemical foam, carbon dioxide, water spray (do not use high-pressure water jet)
Specific Hazards: May emit hydrogen chloride, nitrogen oxides, carbon monoxide/dioxide on burning
Protective Equipment for Firefighters: Self-contained breathing apparatus, chemical protective clothing
Firefighting Instructions: Move containers away from fire if safe, prevent runoff to water systems, cool exposed containers with water spray
Flash Point: No data available; excessive heating may cause decomposition
Explosion Data: Dust-air mixtures may form explosive atmospheres at high concentrations in closed spaces
Personal Precautions: Wear gloves, goggles, respiratory protection, avoid dust formation
Environmental Precautions: Contain spill, prevent product from entering storm drains or waterways, report if large quantities released
Methods for Containment: Dike and contain with inert absorbent (sand, earth)
Cleanup Procedures: Sweep or scoop up and place in suitable container for disposal, wash spill area with plenty of water, ventilate area
Disposal: Follow local regulations, do not dispose in municipal waste or sewage
Handling: Use with adequate ventilation, avoid breathing dust, avoid skin and eye contact, wear appropriate PPE, do not eat or drink while handling
Hygiene Measures: Wash thoroughly after handling, launder contaminated clothing before reuse, clean equipment regularly
Storage: Store away from strong acids, oxidizers, moisture, in cool dry place, in tightly closed containers
Incompatible Materials: Strong oxidizing agents, strong acids, reducing agents
Storage Conditions: Keep away from sources of ignition and direct sunlight, recommended storage temperature: 2-8°C
Exposure Limits: No occupational exposure limits established for this product
Engineering Controls: Use outdoor or local exhaust ventilation, process enclosures
Respiratory Protection: Dust mask or respirator with particulate filter for dusty conditions
Skin Protection: Chemical resistant gloves (nitrile, neoprene), impermeable clothing
Eye Protection: Goggles or face shield
Other Protective Equipment: Emergency eyewash/shower, maintain good industrial hygiene
Appearance: White or off-white crystalline powder
Odor: Mild, characteristic ammonium odor
Odor threshold: No data available
pH: Slightly basic (aqueous solutions)
Melting Point/Freezing Point: 80–90°C
Boiling Point: Decomposes before boiling
Flash Point: No data available
Evaporation Rate: Not applicable
Flammability: Not classified as flammable
Vapor Pressure: Negligible
Relative Density: 0.92-1.05 (20°C)
Solubility: Soluble in water, soluble in alcohol and some organic solvents
Partition coefficient (n-octanol/water): No data available
Decomposition Temperature: Above 200°C
Viscosity: Not applicable
Particle Size: Microcrystalline or granular depending on grade
Chemical Stability: Stable under recommended storage and use conditions
Conditions to Avoid: Exposure to strong heat, ignition sources, humidity, sunlight
Materials to Avoid: Strong oxidizers (e.g. peroxides), strong acids, reducing agents
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon oxides
Hazardous Reactions: Does not polymerize but can react with incompatible materials to produce hazardous vapors
Reactivity: May be sensitive to static discharge at high dust concentrations
Acute Toxicity: LD50 (oral, rat): Estimated 200-2000 mg/kg
Skin Corrosion/Irritation: Causes moderate skin irritation
Serious Eye Damage/Irritation: Causes eye irritation or burns
Respiratory Sensitization: May irritate respiratory tract depending on concentration
Skin Sensitization: No reliable data
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: No data available
Mutagenicity: No conclusive data available
Chronic Effects: Repeated exposure may increase risk of dermatitis or allergic reactions
Symptoms: Redness, pain, burning sensation, coughing, shortness of breath from inhalation
Ecotoxicity: Highly toxic to aquatic organisms (e.g. LC50 for fish <1 mg/L)
Persistence and Degradability: May not break down readily in environment, contains quaternary ammonium core
Bioaccumulative Potential: Potential for bioaccumulation due to long alkyl chain
Mobility in Soil: Moderate ground mobility in wet conditions, possible absorption to sediments
Other Adverse Effects: Can cause significant damage to aquatic life; avoid environmental release wherever possible
Waste Treatment Methods: Dispose of contents/container through approved chemical waste facility
Methods of Disposal: Incinerate or landfill according to local, state, and national regulations; never discharge into sewers or watercourses
Contaminated Packaging: Empty containers thoroughly, triple rinse, do not reuse for other purposes
Special Precautions: Avoid release to environment, consult authorities for best disposal option
UN Number: 3077
Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains Docosyltrimethylammonium Chloride)
Transport Hazard Class: 9 (Miscellaneous)
Packing Group: III
Labeling Requirements: Environmentally hazardous
Marine Pollutant: Yes
Special Precautions: Avoid spills during transport; comply with international and local transport regulations
TSCA Inventory: Listed or meets inventory requirements
REACH Registration: Subject to REACH regulations in EU; must be pre-registered or registered for commercial use
OSHA: Classified as hazardous chemical under OSHA Hazard Communication Standard
WHMIS Classification (Canada): D2B (Toxic material causing other toxic effects)
SARA Title III: Not listed as a hazardous substance under SARA 302, 304, but may be subject to reporting under SARA 313 if used in large quantities
Other International Regulations: Subject to country-specific chemical control laws and environmental laws
Additional Information: Users should comply with all applicable local, state, and federal regulations regarding safe use, disposal, and transport of this substance
