Product Name: 1-(Trimethoxysilane)Propyl-3-Methylimidazolium Chloride
Synonyms: Trimethoxysilylpropyl methylimidazolium chloride
Recommended Use: Laboratory research, functionalization agent, surface treatment
Manufacturer/Supplier: Chemical specialist or laboratory supply company
Contact Information: Address, phone number, emergency contact
Emergency Phone Number: Local emergency number or US Chemtrec (1-800-424-9300)
Hazard Classification: Skin and eye irritant, causes respiratory irritation, toxic if swallowed
Pictograms: Exclamation mark, irritant, corrosive
Signal Word: Warning
Hazard Statements: Causes serious eye and skin irritation. Harmful by inhalation, swallowing, or skin contact. Risk of sensitization.
Precautionary Statements: Avoid breathing dust or vapors. Wash exposed skin thoroughly after handling. Wear protective gloves and goggles. Work in a well-ventilated area or fume hood.
Chemical Name: 1-(Trimethoxysilane)Propyl-3-Methylimidazolium Chloride
Chemical Formula: C10H23ClN2O3Si
CAS Number: 778577-39-4
Concentration: 98% purity, may include minor water or solvent contaminants
Impurities: Trace solvents, moisture, possible imidazolium derivatives
Inhalation: Remove person to fresh air, keep comfortable, seek medical attention if symptoms persist. Symptoms can include cough, headache or dizziness.
Skin Contact: Wash exposed skin with soap and water for at least 15 minutes. Remove contaminated clothing and shoes. Seek medical advice if irritation develops.
Eye Contact: Rinse eyes gently with water for 15 minutes, lift eyelids. Do not rub eyes. Remove contact lenses. Medical help recommended for persistent pain or vision changes.
Ingestion: Rinse mouth with water if conscious. Do not induce vomiting. Call poison control. Medical attention recommended for large ingestion or ongoing symptoms.
Most Important Symptoms: Redness, burning, irritation, allergic reaction in sensitive individuals
Suitable Extinguishing Media: Dry chemical, CO2, foam, water spray
Unsuitable Media: Avoid using high-pressure water jets which can spread chemicals
Hazards from Combustion: Releases hydrochloric acid, nitrogen oxides, silicon oxides, carbon oxides, and other toxic fumes when heated strongly
Firefighting Instructions: Firefighters use full suit and self-contained breathing apparatus
Special Protective Equipment: Chemical resistant suit, tight-fitting mask or respirator, protective gloves
Personal Precautions: Wear gloves, goggles, lab coat, NIOSH-approved respirator for large spills
Environmental Precautions: Do not discharge into drains or environment, prevent spread to soil and surface water
Methods for Containment: Contain released material with inert absorbent (sand, vermiculite), collect in non-metallic, sealed container
Cleaning Methods: Wet mop area with detergent, ventilate affected zone. Dispose material according to disposal guidance
Precautions for Safe Handling: Use chemical fume hood, avoid inhaling dust/vapor, prevent skin and eye contact. Keep containers tightly closed. Handle with care to avoid breakage.
Conditions for Safe Storage: Store in cool, dry, well-ventilated place away from sunlight, moisture, acids, alkalis. Use original, clearly labeled container.
Incompatible Materials: Strong acids, strong bases, oxidizing agents, water (can release methanol over time)
Storage Temperature: Room temperature or as specified by supplier
Exposure Limits: No established OSHA or ACGIH exposure limits for this compound
Engineering Controls: Chemical fume hood, local exhaust ventilation, eyewash station and safety shower in area
Personal Protective Equipment: Safety goggles, chemical resistant gloves (nitrile or neoprene), lab coat, closed footwear, respirator (if airborne concentrations exceed safe levels)
Hygiene Measures: Wash hands, face, and forearms thoroughly after handling, do not eat, drink, or smoke near chemical
Physical State: Liquid (or oily liquid)
Color: Colorless to pale yellow
Odor: Faint, possibly alcohol-like or chemical
Melting Point: Not defined, liquid at room temperature
Boiling Point: Not precisely determined, decomposition may precede boiling
Flash Point: >100°C (estimate), not particularly flammable
Solubility: Miscible with water, organic solvents depending on proportions
Vapor Pressure: Low
Density: Approx. 1.08–1.22 g/cm3 at 20°C
pH: 3–6 (aqueous solution)
Viscosity: Relatively viscous depending on temperature
Partition Coefficient: Not available
Auto-Ignition Temperature: Not available
Chemical Stability: Stable under recommended storage, may hydrolyze slowly in moist air forming methanol
Reactivity: Reacts with water, acids, bases, and oxidizers
Hazardous Reactions: Methanol and small amounts of imidazolium derivatives produced over time
Conditions to Avoid: Exposure to moisture, strong sunlight, high temperatures
Incompatible Materials: Acids, bases, oxidizing materials
Hazardous Decomposition Products: Methanol, hydrochloric acid, imidazole derivatives, silicon dioxide, nitrogen oxides, carbon oxides
Potential Health Effects: Irritates skin, eyes, respiratory tract, ingestion can cause nausea, abdominal pain, drowsiness. Prolonged contact can lead to burns or allergic reactions.
Acute Toxicity: LD50 oral rat (estimate) > 300 mg/kg
Chronic Toxicity: Potential for skin sensitization on repeated exposure
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Symptoms: Burning, redness, swelling, nausea
Carcinogenicity: Not classified as carcinogen by IARC, NTP, OSHA
Mutagenicity: No mutagenic effects reported in literature
Reproductive Toxicity: No studies available
Aquatic Toxicity: Harmful to aquatic life, possible long-term adverse effects due to chlorinated compound content
Persistence and Degradability: Limited data, contains moieties that may slowly degrade under environmental conditions
Bioaccumulative Potential: Expected to have low to moderate bioaccumulation
Mobility in Soil: Soluble, may leach into groundwater
Other Adverse Effects: Avoid release to natural waters, storm drains, or wastewater systems. Follow disposal instructions
Disposal Methods: Collect and store unused or waste material for hazardous waste disposal
Recommended Treatment: Incineration in chemical incinerator with afterburner and scrubber. Chemical must not be poured down drain or deposited in environment
Contaminated Packaging: Rinse containers with solvent, treat as hazardous waste
Regulations: Dispose according to local, regional, state, and federal environmental regulations
UN Number: Not assigned for this specific chemical, but similar chlorinated silanes are regulated
Proper Shipping Name: Chemical, non-hazardous for air shipment in small quantities, check IATA, IMDG updates
Hazard Class: Not classified as dangerous under most transport codes if shipped below threshold quantities, otherwise may be corrosive
Packing Group: III (estimate, based on irritation potential)
Label Requirements: Corrosive label for larger bulk, caution label in small laboratory use
Special Precautions: Avoid damage, use leakproof containers, protect from moisture, keep separate from oxidizers and acids during transport
US Regulations: Not listed in SARA Title III, not subject to TSCA reporting. Check for updates from OSHA, EPA on handling of ionic liquids or chlorinated silanes.
EU Regulations: REACH registration may apply based on quantity handled; hazard communication under CLP/GHS required; Safety Data Sheet mandatory
Other Regulations: Not listed as carcinogen, mutagen, or reproductive toxin; compliance with local workplace safety and environmental authorities required
Labeling Requirements: Signal words, hazard statements, pictograms; clear indication of risks and safety measures
Worker Protection: Employer must inform workers about safety procedures, personal protection, first aid, and environmental handling
