Product Name: Dihexadecyl Methyl Tertiary Amine
Chemical Family: Aliphatic tertiary amine
Chemical Formula: C33H70N
Molecular Weight: 480.91 g/mol
Synonyms: N,N-Dihexadecyl-N-methylamine
Manufacturer: [Company Name]
Emergency Contact: [Contact Number]
Use: Emulsifier, Surfactant, Antistatic agent
Classification: Irritant, Harmful if inhaled or swallowed, Dangerous to aquatic life
Pictograms: Exclamation mark, Environment
Signal Word: Warning
Hazard Statements: Causes skin and serious eye irritation, Risk of damage to organs through prolonged or repeated exposure, Toxic to aquatic organisms
Precautionary Statements: Avoid breathing dust or mist, Do not get in eyes or skin, Wear protective gloves, Avoid release into environment, Wash hands thoroughly after handling
Potential Health Effects: Inhalation can cause respiratory tract irritation, Exposure may trigger allergic responses, Chronic exposure can worsen skin conditions
Chemical Name: Dihexadecyl Methyl Tertiary Amine
CAS No.: 112-75-4
Concentration: >97%
Impurities: Minor traces of unreacted fatty amines (<1%)
Additives: None
Inhalation: Move affected person outdoors into fresh air. If breathing is difficult, provide oxygen and seek medical attention without delay.
Skin Contact: Take off contaminated clothing and shoes. Rinse affected area thoroughly with water for up to 15 minutes. Medical attention required for persistent irritation.
Eye Contact: Rinse with water for several minutes, ensuring eyelids are held open. Remove contact lenses. Seek medical help immediately.
Ingestion: Do not induce vomiting. Call poison control or physician. Rinse mouth with water.
Most Important Symptoms: Redness, rash, stinging, allergic responses, respiratory discomfort.
Advice to Doctor: Treat symptomatically. Monitor for respiratory distress.
Suitable Extinguishing Media: Foam, dry chemical, or carbon dioxide. Water spray can be used for minor fires.
Unsuitable Extinguishing Media: Direct water jet may spread chemical.
Specific Hazards: Toxic fumes such as nitrogen oxides, carbon monoxide, and hydrocarbons may be released.
Protective Equipment: Self-contained breathing apparatus and full protective gear.
Special Precautions: Cool storage containers with water spray to reduce pressure buildup.
Combustion Products: Ammonia, amines, dense black smoke.
Personal Precautions: Evacuate the area. Use appropriate PPE—gloves, goggles, face protection. Ventilate area.
Environmental Precautions: Prevent entry into drains and waterways. Notify local authorities if large quantities enter environment.
Methods for Cleanup: Absorb with dry earth, sand, or non-combustible material. Shovel into suitable container for proper disposal. Wash contaminated surface thoroughly.
Decontamination: Wash area with dilute acetic acid if safe.
Remove ignition sources: Eliminate all open flames and electrical equipment in vicinity.
Handling: Use only outdoors or in well-ventilated areas. Minimize dust generation and contact with skin or eyes. Wash thoroughly after use.
Storage: Store in cool, dry, well-ventilated location. Keep container tightly closed and away from heat and ignition sources. Do not store together with strong oxidizers or acids.
Compatibility: Avoid contact with oxidizing agents, mineral acids, and halogenated compounds.
Packaging Materials: Corrosion-resistant, sealed drums recommended.
Exposure Limits: No official threshold limit value set; minimize airborne concentrations.
Engineering Controls: Use local exhaust ventilation. Provide eyewash and safety showers in work area.
Personal Protective Equipment: Wear chemical-resistant gloves such as nitrile or neoprene. Use anti-fog safety goggles or face shield. Consider respirator with organic vapor cartridge if ventilation is insufficient.
Hygiene Measures: Change contaminated clothing. Wash hands before eating or drinking.
Monitoring: Periodic health surveillance and air quality testing in regular handling areas.
Appearance: Waxy, solid flakes
Odor: Faint amine odor
Odor Threshold: Not established
pH (10% solution): 10 – 11
Melting Point: 54–58°C
Boiling Point: Decomposes before boiling
Flash Point: >170°C (closed cup)
Evaporation Rate: Not available
Flammability: Combustible solid
Upper/Lower Flammability or Explosive Limits: Not determined
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Relative Density: 0.88 g/cm³ @ 20°C
Solubility: Negligible in water, soluble in organic solvents
Partition Coefficient (n-octanol/water): High (Expected, based on hydrophobic chains)
Auto-ignition Temperature: >280°C
Decomposition Temperature: >200°C
Viscosity: Not determined
Chemical Stability: Stable under recommended storage conditions. Sensitive to strong oxidizers.
Possibility of Hazardous Reactions: Reacts with acids, strong oxidizers. May form peroxides with prolonged air exposure.
Conditions to Avoid: Moisture, high temperatures, sources of ignition.
Incompatible Materials: Acids, oxidizing agents, halogen hydrocarbons.
Hazardous Decomposition: Carbon monoxide, carbon dioxide, nitrogen oxides, ammonia, amines can form under fire conditions.
Acute Toxicity: Oral and dermal LD50 values in rats estimated to be between 500-2000 mg/kg.
Routes of Exposure: Inhalation, ingestion, skin, and eye contact.
Skin Corrosion/Irritation: Causes irritation, prolonged exposure may produce dermatitis.
Serious Eye Damage/Irritation: Causes severe irritation and redness.
Respiratory Sensitization: Risk of irritation and allergic response.
Germ Cell Mutagenicity: No relevant data available.
Carcinogenicity: No classification by IARC, NTP, or OSHA.
Reproductive Toxicity: Not classified.
Specific Target Organ Toxicity: May affect liver, skin, and respiratory system on repeated exposure.
Other Effects: Headache, dizziness, nausea possible in poorly ventilated areas.
Eco-toxicity: Highly toxic to aquatic life, especially invertebrates and fish, with long-lasting effects.
Persistence/Degradability: Poorly biodegradable due to long alkyl chains.
Bioaccumulative Potential: High, expected to concentrate in aquatic organisms.
Mobility in Soil: Low mobility—strongly adsorbed by soil particles.
Other Adverse Effects: Chemical may disrupt the biological treatment process in municipal and industrial wastewater plants.
Recommended Precaution: Prevent product release into drains, sewers, and water courses.
Waste Disposal: Collect solid or liquid waste into properly labeled drums. Incineration in authorized facilities or disposal in accordance with national, regional, and local regulations.
Contaminated Packaging: Empty containers should be triply rinsed or professionally cleaned before reuse or disposal.
Special Precautions: Do not discharge into environment or household waste streams. Transportation and disposal handled only by licensed waste management firms.
Disposal Code: Refer to hazardous waste numbers for organic amines.
UN Number: 2735
Proper Shipping Name: Amines, liquid, corrosive, n.o.s. (Dihexadecyl Methyl Tertiary Amine)
Transport Hazard Class: 8 (Corrosive substance)
Packing Group: III (Minor hazard)
Label: Corrosive
Environmental Hazards: Marine pollutant
Special Transport Precautions: Keep containers upright and secure, protect from heat and moisture.
Regulations: IMDG, IATA, DOT applicable.
Inventory Status: Listed in TSCA (USA), EINECS (EU), DSL (Canada), AICS (Australia), and other major chemical inventories.
Workplace Classification: Controlled substance under OSHA Hazard Communication Standard.
Labeling: Classified under GHS, requires pictogram, signal word, and hazard statements as mentioned.
Right-to-Know: Subject to state and federal reporting in USA (SARA, CERCLA).
Restrictions: Use restricted in cosmetic, food and feed industries by EU and several countries.
Other Regulations: Intended for industrial and research use only.
Additional Notes: Safety and risk assessments required for all new applications and users of this chemical.
