Product Name: Diethylaminomethyltriethoxysilane
Chemical Formula: C11H27NO3Si
CAS Number: 15180-47-9
Synonyms: Triethoxysilylmethyldiethylamine
Recommended Use: Surface treatment, coupling agent, silane crosslinker
Supplier: Manufacturer’s contact information provided on packaging
Emergency Phone: Provided by local distributor or label instructions
Classification: Flammable liquid, skin and eye irritant
Signal Word: Warning
Hazard Statements: May cause skin and eye irritation, may provoke respiratory tract discomfort, may form explosive mixtures with air
Pictograms: Exclamation mark, flame
Precautionary Statements: Keep away from heat, sparks, open flames. Wear protective gloves, eye and face protection. Use only in a well-ventilated area. Prevent contact with skin and eyes
Chemical Name: Diethylaminomethyltriethoxysilane
Concentration: Typically 98% or higher
Impurities: Trace silanol byproducts and alcohols
Molecular Weight: 249.42 g/mol
Major Hazards of Ingredients: Ethanol and secondary amine residues may increase flammability and irritant effects
Inhalation: Remove victim to fresh air, keep breathing comfortable, seek medical help if coughing or shortness of breath continues
Skin Contact: Take off contaminated clothing, rinse skin with water for several minutes, use soap for persistent irritation, obtain medical attention if symptoms persist
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present, call a doctor promptly
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical advice as soon as possible
Most Important Symptoms: Burning, redness, possible skin or airway inflammation
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical powder, carbon dioxide
Specific Dangers: Combustible; vapors may form explosive mixtures; thermal decomposition releases toxic fumes of nitrogen oxides, silicon oxides, and carbon oxides
Protective Equipment: Wear self-contained breathing apparatus and full protective suit
Advice for Firefighters: Stay upwind, cool exposed containers with water spray, avoid inhalation of combustion products
Personal Precautions: Avoid contact with spilled material, provide adequate ventilation, evacuate unprotected personnel
Environmental Precautions: Prevent entry into sewers and groundwater; alert authorities if significant amount escapes
Spill Cleanup Methods: Soak up spill with inert material like vermiculite, collect in well-labeled containers, dispose according to local guidelines
Disposal of Cleaned Material: Use sealed, chemically compatible, hazardous waste containers
Handling: Avoid splashing and aerosol formation; use with local exhaust or in chemical fume hood; prevent buildup of static electricity
Storage: Store in original sealed containers, in dry, cool, well-ventilated areas away from heat sources, oxidizers, and acids
Incompatible Materials: Water, strong acids, oxidizing agents, strong bases
Packaging Recommendations: Use poly-lined or glass containers; avoid prolonged storage after opening
Engineering Controls: Laboratory hoods, explosion-proof ventilation, containment systems
Respiratory Protection: Use NIOSH-approved respirator in case of inadequate ventilation
Hand Protection: Chemical-resistant gloves (nitrile, neoprene)
Eye/Face Protection: Safety goggles with face shield
Skin and Body Protection: Long-sleeved clothing, chemical apron, closed shoes
Occupational Exposure Limits: No established limits; minimize exposure by administrative controls
Appearance: Clear to slightly yellowish liquid
Odor: Amine-like
pH: Not applicable (hydrolyzes in water)
Melting Point: Below -70°C
Boiling Point: 255°C
Flash Point: 88°C (closed cup)
Evaporation Rate: Slower than ether
Vapor Pressure: About 0.05 mmHg at 25°C
Vapor Density: Heavier than air
Density: 0.93 g/cm3 at 20°C
Solubility: Slowly hydrolyzes in water, miscible with most organic solvents
Explosive Properties: Vapors may be flammable in air under certain conditions
Chemical Stability: Stable under recommended storage conditions in absence of water
Conditions to Avoid: High humidity, open flames, strong oxidizers, acids
Incompatible Materials: Moisture, acids, bases, oxidizing agents
Decomposition Products: Silanols, nitrogen oxides, silicon oxides, carbon oxides, ethanol
Hazardous Polymerization: Not expected under routine conditions
Acute Toxicity: Oral and dermal LD50 values for rats >2000 mg/kg
Routes of Exposure: Inhalation, skin, eyes, ingestion
Symptoms: Irritation to skin, eyes, respiratory tract; headache, nausea if inhaled in large quantities
Long-Term Exposure: Prolonged or repeated skin contact may cause dermatitis
Carcinogenicity: Not classified by IARC, OSHA, or NTP
Mutagenicity: Not expected in standard mutagenicity assays
Reproductive Toxicity: No data available; prudent to avoid during pregnancy
Ecotoxicity: Not acutely toxic to aquatic life at low concentrations, but hydrolysis byproducts may be harmful
Persistence & Degradability: Readily hydrolyzes producing diethylaminomethylsilanediol and ethanol; these breakdown products are biodegradable
Bioaccumulation: Not expected to accumulate in the food chain
Mobility in Soil: Rapid hydrolysis reduces mobility; hydrolysis products are water soluble
Other Hazards: Large volume spills may disrupt aquatic environments
Waste Treatment Methods: Consult local hazardous waste disposal contractor for incineration or chemical treatment
Disposal of Packaging: Empty containers must be rinsed thoroughly before recycling or disposal
Environmental Precautions: Prevent entry into drains, water courses, landfills not designed for hazardous chemicals
Regulatory Requirements: Comply with national and regional waste management legislation; label waste containers clearly
UN Number: 1993
Proper Shipping Name: Flammable liquid, n.o.s. (Diethylaminomethyltriethoxysilane mixture)
Transport Hazard Class: 3 (Flammable Liquid)
Packing Group: III
Labels Required: Flammable liquid (red diamond)
Marine Pollutant: Not regulated as marine pollutant in limited quantities
Special Precautions: Use sealed containers, protect from moisture during transport, ensure containers remain upright, check local/national rules
Inventory Status: Listed on TSCA and REACH
Labelling: Complies with OSHA Hazard Communication Standard, GHS labeling required
SARA Title III: Not regulated as an extremely hazardous substance
Right-to-Know: Present in state chemical inventories such as California, New Jersey
Other Regulations: Refer to local, national, and international chemical safety acts and import/export controls
