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Chemical Name: 2-Methylimidazole
Synonyms: 2-Methyl-1H-imidazole, 1,2-Dihydro-1-methyl-2-imidazole
CAS Number: 693-98-1
Uses: Chemical intermediate, epoxy resin curing agent, pharmaceutical manufacturing
Manufacturer Details: Listed on the packaging label or Safety Data Sheet provided by supplier
Emergency Contact: Refer to local poison control center or company emergency line on SDS
Hazard Classification: Acute Toxicity, Skin Irritation, Serious Eye Damage
Signal Word: Warning
Hazard Statements: Harmful if swallowed or inhaled, causes skin and eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid contact with eyes, skin, and clothing, do not breathe dust or fumes, use only with adequate ventilation, wash thoroughly after handling
Component: 2-Methylimidazole
Concentration: Typically 98% or higher
Chemical Formula: C4H6N2
Molecular Weight: 82.11 g/mol
Impurities: May contain trace amounts of water and related imidazoles (less than 2% total)
Inhalation: Move to fresh air, keep comfortable for breathing, seek medical advice if symptoms develop
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, get medical attention if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, obtain medical attention if discomfort continues
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical help
Most Important Symptoms: Burning sensation, irritation, coughing, dizziness, headache
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Specific Hazards: Emits nitrogen oxides, carbon monoxide, hydrogen cyanide if heated to decomposition
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Special Procedures: Isolate fire and deny unnecessary entry, use water spray to cool containers, prevent runoff from entering drains
Personal Precautions: Don suitable protective gloves, goggles, and clothing, avoid dust formation
Environmental Precautions: Prevent entry into soil, sewers, waterways
Methods for Containment: Collect spillage in suitable containers
Clean-Up Procedures: Sweep up spilled material using non-sparking tools, ventilate area, dispose according to local and national regulations
Safe Handling Advice: Work in well-ventilated areas, avoid ingestion, runoff, and skin contact, practice good hygiene after handling
Storage Conditions: Store in tightly closed containers, keep in dry, cool, and well-ventilated place, keep away from incompatibles such as strong oxidizers
Incompatible Materials: Acids, oxidizing agents, halogens
Engineering Controls: Use local exhaust ventilation to minimize airborne concentrations
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, flame-resistant clothing, respiratory protection if dust develops
Exposure Limits: No specific occupational exposure limit established, minimize exposure as much as possible
Hygiene Measures: Remove contaminated clothing, wash hands and face after work, do not eat, drink, or smoke during handling
Physical State: Solid, crystalline, powder or lumps
Color: White to pale yellow
Odor: Slight, characteristic
Melting Point: 142–145°C
Boiling Point: 267°C
Solubility: Soluble in water and ethanol
Vapor Pressure: Negligible at room temperature
pH: Alkaline in solution
Flash Point: 160°C (closed cup)
Density: 1.03 g/cm³ at 20°C
Chemical Stability: Stable under recommended storage conditions
Conditions to Avoid: Excessive heat, moisture, open flames
Incompatible Materials: Strong oxidizing agents, acids, halogens
Hazardous Decomposition Products: Nitrogen oxides, carbon oxides, hydrogen cyanide
Polymerization: Not known to occur dangerously
Routes of Exposure: Skin, eyes, inhalation, ingestion
Acute Toxicity: Oral LD50 (rat): 880 mg/kg; Inhalation LC50 not established
Skin Irritation: May cause burns and redness
Eye Damage: Risk of serious damage on contact
Sensitization: Not classified as a sensitizer
Chronic Effects: Prolonged exposure may affect the liver and kidneys
Mutagenicity: Limited data; not expected to be mutagenic
Aquatic Toxicity: Toxic to aquatic life at high concentrations
Persistence and Degradability: Biodegradable over time, but resistant under some conditions
Bioaccumulative Potential: Does not bioaccumulate substantially
Mobility in Soil: Mobile in water, potential contamination risk for groundwater
Other Effects: Avoid releases to environment
Waste Disposal Methods: Dispose in accordance with local, regional, and national legislation
Contaminated Packaging: Empty containers should be thoroughly rinsed and recycled or disposed
Special Instructions: Do not pour into drains or waterways, incinerate or landfill at permitted facilities
UN Number: Not regulated as a hazardous material
Transport Hazard Class: Not classified
Packing Group: Not assigned
Label Requirements: None mandated under standard shipping
Additional Information: Keep away from foodstuffs and oxidizers during transport
Inventory Listings: Registered under national and international chemical inventories
OSHA Hazards: Toxic by ingestion, irritant
SARA Section 313: Not listed
TSCA Status: Listed
Other Regulations: Comply with all local, regional, and international regulations governing chemical handling and safety
