Product Name: 2-Methylimidazole
Chemical Formula: C4H6N2
Molecular Weight: 82.11 g/mol
Synonyms: 2-Methyl-1H-imidazole, 2-MI
CAS Number: 693-98-1
Recommended Use: Used in pharmaceutical synthesis, agricultural chemicals, resins, and as a curing agent for epoxy resin.
Manufacturer/Supplier: [Insert specific supplier information]
Emergency Contact: [Insert emergency phone number or local poison control]
Classification: Acute toxicity, Oral (Category 4); Skin irritation (Category 2); Eye irritation (Category 2A); Skin sensitization (Category 1).
Label Elements: Signal word: Warning; Hazard pictograms: Exclamation Mark.
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes serious eye irritation; May cause an allergic skin reaction.
Precautionary Statements: Avoid breathing dust; Wash thoroughly after handling; Use only outdoors or in a well-ventilated area; Wear eye protection, gloves, and protective clothing.
Potential Health Effects: May cause irritation to the eyes, skin, and respiratory system; systemic toxicity possible if ingested in large quantities.
Substance: 2-Methylimidazole
Common Names: 2-Methylimidazole
CAS Number: 693-98-1
Concentration: >98% (as typically supplied)
Impurities/Additives: No significant impurities or stabilizing additives expected at or above 1%.
Inhalation: Move to fresh air. Remove source of exposure. Seek medical advice if symptoms develop and persist.
Skin Contact: Remove contaminated clothing. Rinse skin with plenty of water. Get medical attention if irritation or sensitization develops.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Keep rinsing. Seek medical help if symptoms persist.
Ingestion: Rinse mouth. Do not induce vomiting unless directed by medical personnel. Get medical attention immediately.
Main Symptoms: Redness, burning, swelling, or pain at the site of contact. If ingested, possible nausea or vomiting.
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide.
Unsuitable Media: Do not use high-pressure water jets, which could spread product.
Hazards: Thermal decomposition can release toxic fumes, including nitrogen oxides and carbon oxides.
Protective Equipment: Wear full protective clothing, self-contained breathing apparatus.
Specific Fire-Fighting Procedures: Cool containers exposed to fire with water. Prevent fire-fighting water from entering waterways.
Personal Precautions: Ventilate area. Wear appropriate protective gear including gloves and eye protection. Avoid breathing dust.
Environmental Precautions: Prevent further spillage. Avoid release to waterways or sewer systems.
Containment Methods: Sweep or shovel spilled material into suitable, labeled waste containers.
Cleanup Procedures: Use only non-sparking tools. Wash spill area with water after picking up product.
Notification: Report significant spills to local authorities if required.
Safe Handling: Avoid contact with skin, eyes, and clothing. Do not breathe dust. Handle in well-ventilated place.
Storage Conditions: Keep container tightly closed in a dry and cool area. Store away from incompatible materials such as oxidizing agents and acids.
Incompatible Materials: Strong oxidizers, acids.
Storage Life: Keep product out of light and humidity for longer shelf stability.
Hygiene Measures: Wash thoroughly after handling. Remove contaminated clothes and wash before reuse.
Engineering Controls: Use appropriate local exhaust ventilation to minimize airborne concentrations.
Occupational Exposure Limits: Not established for 2-Methylimidazole; keep airborne concentrations as low as possible.
Personal Protective Equipment: Safety goggles, chemical-resistant gloves, lab coat or protective clothing, and suitable respiratory protection if dust concentrations are high.
Environmental Exposure: Use containment to prevent release to environment.
Physical State: Solid
Appearance: White to off-white crystalline powder
Odor: Slightly amine-like
Melting Point: 142-145°C
Boiling Point: 267°C
Solubility: Soluble in water, ethanol, and methanol
pH: Alkaline in water
Vapor Pressure: Negligible at room temperature
Flash Point: 146°C (closed cup)
Relative Density: About 1.03 (water = 1)
Other Data: Stable under recommended storage conditions, may stain surfaces
Chemical Stability: Stable at room temperature in dry, well-sealed containers.
Reactivity: Not highly reactive under normal conditions; avoid contact with strong oxidizers and acids.
Hazardous Decomposition Products: Combustion may release nitrogen oxides and carbon monoxide.
Polymerization: No dangerous polymerization expected.
Conditions to Avoid: Moisture, contamination by acids or oxidizers, open flame or excessive heat.
Acute Toxicity: LD50 (oral, rat): approximately 880 mg/kg; can be harmful if swallowed.
Skin Corrosion/Irritation: Causes irritation; prolonged exposure may cause redness or dermatitis.
Eye Damage/Irritation: Causes serious eye irritation; possible risk of corneal injury.
Respiratory Sensitization: Not classified; dust can cause discomfort or mild irritation.
Skin Sensitization: May cause allergic skin reaction in susceptible individuals.
Chronic Toxicity: Long-term exposure effects have not been fully studied; avoid repeated or prolonged contact.
Ecotoxicity: Data is limited; avoid significant release to the environment.
Persistence and Degradability: No detailed studies publicly available; compound expected to be partially biodegradable.
Bioaccumulation: No evidence for significant accumulation in aquatic organisms.
Mobility in Soil: Moderate water solubility suggests the potential to move through soil.
Other Ecological Effects: May contribute to aquatic toxicity if large amounts enter waterways.
Waste Disposal Methods: Dispose of product and its container in accordance with local, regional, national, and international regulations.
Hazardous Waste Status: Treat as hazardous waste; do not discharge to sewer.
Container Disposal: Triple rinse empty containers and offer for recycling or reconditioning if possible.
Precautions: Wear suitable protective equipment during handling and disposal.
UN Number: Not classified as dangerous goods for transport.
Proper Shipping Name: 2-Methylimidazole
Transport Hazard Class: Not regulated
Packing Group: Not assigned
Special Precautions: Prevent container damage and spillage during transport. Keep out of direct sunlight and away from sources of ignition.
Labelling: In accordance with GHS, labeled for acute toxicity, skin, and eye irritation.
TSCA: Listed
REACH Status: Registered substance in the EU, subject to usage restrictions.
OSHA Status: Considered hazardous chemical under OSHA Hazard Communication Standard.
Other Regulations: May have additional requirements under state or local regulations; check with your local environmental health and safety office for all compliance details.
