MSDS for 1-Vinyl-3-Methylimidazolium Thiocyanate

Identification

Product Name: 1-Vinyl-3-Methylimidazolium Thiocyanate
Chemical Family: Ionic liquid
Synonyms: 1-Vinyl-3-methylimidazolium isothiocyanate
Recommended Use: Laboratory research, chemical synthesis
Supplier: Laboratory or industrial chemical supplier; address and contact per facility
Emergency Phone: Refer to company or local emergency lines
CAS Number: 74299-44-6

Hazard Identification

Classification: Acute toxicity (oral, dermal, inhalation), Skin irritation, Eye damage, Environmental hazard
Label Elements: Pictograms depicting health hazard, exclamation mark, aquatic hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed or inhaled; may cause skin and eye irritation; toxic to aquatic life
Precautionary Statements: Wear suitable protection; avoid release to environment; do not breathe dust/fume/gas/mist/vapors/spray
Other Hazards: Reacts with strong oxidants, severe exposure to vapors can lead to central nervous system effect

Composition / Information on Ingredients

Chemical Name: 1-Vinyl-3-Methylimidazolium Thiocyanate
CAS Number: 74299-44-6
Concentration: ≥ 95%
Impurities: Water (< 1%), residual imidazole (< 0.5%)
EC Number: 421-040-3

First Aid Measures

Inhalation: Move person to fresh air; seek medical attention for persistent symptoms, loosen constrictive clothing
Skin Contact: Remove contaminated clothes, rinse skin with water for at least 15 minutes, wash thoroughly with soap, medical help if irritation persists
Eye Contact: Rinse immediately with water for 15 minutes, keeping eyelids open, remove contact lenses if present, call physician if symptoms remain
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention
Symptoms: Burning, headache, sore throat, redness, skin irritation, potential gastrointestinal distress

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Media: Strong water jets since chemical runoff may be hazardous
Hazardous Combustion Products: Carbon oxides, nitrogen oxides, sulfur compounds, hydrogen cyanide, toxic fumes
Special Protective Equipment: Firefighters wear self-contained breathing apparatus, protective suit
Other Advice: Evacuate area, control runoff to prevent environmental contamination, use water mist for cooling containers

Accidental Release Measures

Personal Precautions: Wear safety goggles, gloves, chemical-resistant clothing, avoid breathing vapors or dust
Environmental Precautions: Prevent spillage from reaching drains, sewers, or waterways, notify authorities if spill occurs
Methods for Clean-Up: Absorb with inert material like sand or earth, collect and place in suitable sealed containers for disposal, ventilate area thoroughly
Decontamination: Wash affected area with water, clean exposed equipment with appropriate detergent

Handling and Storage

Handling: Use in a well-ventilated space, avoid vapor generation, prevent contact with eyes and skin, use tools that minimize splash, wear proper PPE
Storage Conditions: Store sealed in original containers, cool, dry, and well-ventilated place, away from incompatible substances (strong oxidizers, acids)
Storage Temperature: Typically 2–8°C; avoid high humidity and heat sources
Packing Materials: Use chemical compatible, tightly closed containers

Exposure Controls and Personal Protection

Engineering Controls: Local exhaust ventilation, eyewash and safety shower near workstation
Personal Protective Equipment: Protective goggles, chemical-resistant gloves (nitrile or neoprene), lab coat or long sleeves
Respiratory Protection: Approved respirator if handling large quantities or poor ventilation
Hygiene Measures: Do not eat, drink, or smoke during use, wash hands before breaks and after handling, remove contaminated clothing at once
Environmental Controls: Prevent release into environment, proper disposal of any contaminated materials

Physical and Chemical Properties

Appearance: Colorless to pale yellow viscous liquid
Odor: Faint, characteristic
Odor Threshold: Not established
pH: Slightly acidic in solution
Melting Point/Freezing Point: Around -40°C
Boiling Point: Decomposes before boiling
Flash Point: > 140°C
Evaporation Rate: Not measured
Flammability: Not classified as flammable
Vapor Pressure: Low at room temperature
Solubility: Miscible with water and many organic solvents
Density: Approx. 1.15–1.20 g/cm³ at 20°C
Partition Coefficient: Not available
Decomposition Temperature: > 150°C
Viscosity: Moderate to high

Stability and Reactivity

Chemical Stability: Stable at recommended storage conditions
Hazardous Reactions: May react with strong oxidizers, strong acids, alkali metals
Conditions to Avoid: Extreme heat, direct sunlight, humidity, open flames
Incompatible Substances: Strong oxidizing agents, strong acids, reducing agents
Hazardous Decomposition Products: CO, CO2, nitrogen oxides, sulfur oxides, hydrogen cyanide, irritating vapors/gases

Toxicological Information

Acute Toxicity: Oral, dermal, inhalation routes can cause irritation or distress, estimated LD50 (rat): > 200 mg/kg – data limited
Skin Corrosion/Irritation: Causes irritation, redness on contact
Serious Eye Damage/Irritation: Irritates eyes, possible redness, tearing, blurred vision
Respiratory Sensitization: Vapors may trigger cough or soreness in airways
Carcinogenicity: No data for cancer potential in humans
Mutagenicity: Limited data; not classified as mutagenic
Reproductive Toxicity: Not established, insufficient research
Other Effects: Prolonged exposure may affect central nervous system, kidneys, liver
Symptoms: Nausea, dizziness, headache, skin rashes

Ecological Information

Ecotoxicity: Hazardous to aquatic organisms, LC50 for fish and invertebrates estimated at low mg/L
Persistence and Degradability: Tends to resist biodegradation, persists in soil and water if released
Bioaccumulation Potential: Limited data, moderate risk; chemical structure suggests possible accumulation
Mobility in Soil: Highly soluble, mobile in water, risk of leaching to groundwater
Other Adverse Effects: Avoid contamination of water courses, even small amounts can harm aquatic life

Disposal Considerations

Waste Disposal: Dispose of through hazardous chemical waste collection, use licensed contractor, incinerate in approved facility if allowed
Contaminated Packaging: Triple-rinse containers, offer for recycling or incineration as permitted
Special Considerations: Avoid direct disposal to drains, water bodies, or regular landfill
Disposal Regulations: Follow local, national, and international regulations for hazardous waste management

Transport Information

UN Number: Not assigned — verify per shipping requirement
Shipping Name: Chemical, N.O.S.
Transport Hazard Class: Consult relevant statute, typically not regulated by DOT/ADR at small quantity
Packing Group: Not assigned; consult hazardous materials code per country
Marine Pollutant: Yes
Special Transport Precautions: Use sealed packaging, prevent spills or leaks, mark containers appropriately, emergency response information available with shipment

Regulatory Information

Safety, Health, Environmental Regulations: Subject to chemical safety assessment under REACH, OSHA Hazard Communication, TSCA listing required in US
Inventory Status: Check inclusion on EINECS, TSCA, ENCS, DSL
Labeling Obligations: GHS label required, hazard pictograms and statements
Restrictions: Regulated for environmental emissions, specific occupational exposure rules may apply
Additional National Requirements: Address labeling, reporting, storage limitations, and occupational exposure limits per territorial law