Product Name: N-Methylimidazolium Tosylate
Chemical Formula: C11H14N2O3S
Synonyms: 1-Methyl-3-imidazolium-4-methylbenzenesulfonate
Recommended Use: Laboratory chemicals, chemical synthesis, ionic liquid applications
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Classification: Irritant, not listed as carcinogenic by OSHA, IARC, or NTP
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory tract irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust or vapor, wear protective clothing, wash thoroughly after handling
Potential Health Effects: Eyes—irritation, redness; Skin—irritation, itching; Inhalation—coughing, shortness of breath; Ingestion—abdominal discomfort
Chemical Name: N-Methylimidazolium Tosylate
CAS Number: 465440-45-7
Concentration: ≥ 98%
Impurities: May contain low levels of water or dust
Other Components: No additional hazardous substances present
Inhalation: Move person to fresh air, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin with soap and water, consult a doctor if irritation continues
Eye Contact: Flush eyes thoroughly with water for several minutes, get medical help if redness or pain persists
Ingestion: Rinse mouth, do not induce vomiting unless directed by medical personnel, seek medical advice
General Advice: Provide the product label or safety data when obtaining medical care
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Special Hazards: Thermal decomposition can produce toxic fumes such as nitrogen oxides, sulfur oxides, carbon monoxide
Protective Equipment: Firefighters must use self-contained breathing apparatus and protective clothing
Specific Methods: Contain run-off to prevent pollution, cool containers with water from a safe distance
Personal Precautions: Wear gloves, goggles, and respirator
Environmental Precautions: Avoid release to environment, prevent further leakage or spillage if safe
Methods for Clean-Up: Absorb with inert material (sand, diatomaceous earth), collect in suitable container for proper disposal
Spill Response: Ventilate area, wash spill site after material pick-up is complete, follow local regulation for disposal
Safe Handling: Use in well-ventilated area, minimize dust and vapor generation, wear appropriate protective gear
Storage Conditions: Store in tightly closed container, keep in cool, dry, well-ventilated place away from incompatible substances
Incompatibilities: Strong oxidizing agents, strong bases
Storage Class: Chemical storage, separate from food and beverages, ensure containers are labeled
Exposure Limits: No official exposure limits established
Engineering Controls: Use fume hood or adequate ventilation
Personal Protection: Safety glasses with side shields, chemical resistant gloves, lab coat, if risk of inhalation exists use approved respirator
Hygiene Measures: Do not eat, drink, or smoke near chemical, wash hands before breaks and after use
Environmental Controls: Prevent entry into sewers or waterways
Appearance: White to off-white crystalline powder
Odor: Slight, characteristic
pH: Not available
Melting Point: 160-180°C (approximate)
Boiling Point: Not established (decomposes)
Flash Point: Not flammable under normal conditions
Solubility: Soluble in water, organic solvents
Density: 1.23–1.27 g/cm³ (estimated)
Vapor Pressure: Not applicable
Partition Coefficient (n-octanol/water): Not determined
Chemical Stability: Stable under standard conditions
Reactivity: Not reactive under recommended use and storage
Hazardous Decomposition: Nitrogen oxides, sulfur oxides, carbon oxides can form at high temperature
Conditions to Avoid: Excessive heat, moisture, incompatible materials
Polymerization: Not expected to occur
Acute Toxicity: Data not available for exact LD50, effects based on similar compounds which can cause irritation of skin and mucous membranes
Skin Contact: May cause itching, dryness, redness
Eye Contact: Irritation, potential for tearing, redness
Inhalation: Dust or vapor may cause coughing, sore throat
Ingestion: Large amounts may produce gastrointestinal upset
Chronic Effects: Repeated contact may cause dermatitis
Sensitization: No evidence reported
Carcinogenicity, Mutagenicity, Reproductive Toxicity: No reliable data to suggest carcinogenic or mutagenic risk for humans
Aquatic Toxicity: Not classified as hazardous for the aquatic environment based on available data, but avoid release in large amounts
Persistence and Degradability: No data, but ionic liquids can show limited biodegradability
Bioaccumulation Potential: Expected to be low
Mobility in Soil: Solubility suggests some mobility, but actual data lacking
Other Adverse Effects: Prevent spillage into waterways and soil to minimize possible long-term impacts
Waste Disposal Methods: Dispose as chemical waste according to local, state, and federal regulations
Unused Material: Deliver to approved waste disposal plant, avoid entry into surface water drains
Contaminated Packaging: Rinse, remove labels, and send for recycling or landfill as allowed
Special Instructions: Handle residues according to hazardous waste regulations
UN Number: Not regulated
Transport Hazard Class: Not classified as dangerous goods for transport
Packing Group: Not assigned
Label Requirements: No specific mark necessary under standard DOT, IATA, or IMDG regulations
Special Precautions: Protect from moisture, physical damage during transit
TSCA Status: Listed or compliant
SARA Title III Sections 302/304/311/312: Not subject to reporting
REACH Status: Registered or exempt for laboratory use
California Proposition 65: Not listed as a chemical known to cause cancer or reproductive harm
Other National Inventory Listings: Check with local and national chemical inventories for specific compliance
Label Requirements: Provide hazard information per OSHA Hazard Communication Standard, EU CLP, or equivalent
