Product Name: 1-Isobutyl-2-Methylimidazole
CAS Number: 6967-29-9
Chemical Formula: C8H14N2
Synonyms: 1-(2-Methylimidazolyl)-2-methylpropane
Recommended Use: Intermediate in organic synthesis, pharmaceutical research, specialty chemical applications
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GHS Classification: Flammable Liquids (Category 4), Acute Toxicity (Oral/Category 4), Skin Corrosion/Irritation (Category 2)
Signal Word: Warning
Pictograms: Exclamation Mark
Hazard Statements: Harmful if swallowed. Causes skin irritation. May cause respiratory irritation. Flammable liquid and vapor. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: Avoid breathing dust/fume/gas/mist/vapors/spray. Wash thoroughly after handling. Keep away from heat/sparks/open flames/hot surfaces. Wear protective gloves/protective clothing/eye protection/face protection.
Target Organs: Skin, eyes, respiratory system, central nervous system
Chemical Name: 1-Isobutyl-2-Methylimidazole
CAS Number: 6967-29-9
Concentration: 97%–100%
Impurities: Trace imidazole derivatives (less than 1%)
Inhalation: Move affected person to fresh air. If breathing is difficult, supply oxygen. Seek medical attention if symptoms persist.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water for at least 15 minutes. Get medical help for irritation.
Eye Contact: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting eyelids. Remove contact lenses if present. Immediate medical care is recommended.
Ingestion: Do not induce vomiting. Rinse mouth with water if conscious. Give water to drink. Seek immediate medical advice.
Most Important Symptoms: Burning sensation, coughing, headache, nausea, dermatitis, irritation of eyes/skin/mucous membranes
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, alcohol-resistant foam
Unsuitable Media: Water jet (risk of spread)
Specific Hazards: Vapors can form explosive mixtures with air. Combustion produces nitrogen oxides, carbon monoxide, carbon dioxide.
Protective Equipment: Self-contained breathing apparatus, full protective gear
Advice for Firefighters: Evacuate area. Cool exposed containers with water spray. Prevent contaminated water from entering drains.
Personal Precautions: Ventilate area. Wear protective gloves, goggles, and clothing. Avoid breathing vapors. Remove sources of ignition.
Environmental Precautions: Prevent spillage from entering drains, sewers, or soil.
Methods for Clean-Up: Absorb with inert material such as sand or vermiculite. Scoop up and place in a suitable, tightly closed container for disposal. Wash spill site after removal.
Handling: Use only with adequate ventilation. Avoid contact with skin, eyes, and clothing. Keep away from heat, sparks, and open flames. Do not eat, drink, or smoke while working with material.
Storage: Store in a cool, dry, well-ventilated place. Keep tightly closed in original container, away from incompatibles such as strong oxidizers and acids. Protect from light and direct sunlight.
Exposure Limits: No established occupational exposure limits available.
Engineering Controls: Use fume hood or local exhaust ventilation. Safety shower and eyewash station in close proximity.
Personal Protection: Chemical-resistant gloves, protective clothing (lab coat or apron), safety goggles, approved respirator if exposure limits are exceeded or ventilation is inadequate.
Hygiene Measures: Wash hands thoroughly after handling. Remove contaminated clothing and launder before reuse.
Appearance: Clear to pale yellow liquid
Odor: Characteristic, amine-like
Odor Threshold: Not available
pH: Not applicable (neat)
Melting Point/Freezing Point: -30°C (estimate)
Boiling Point: 240–242°C
Flash Point: 100°C (closed cup)
Evaporation Rate: Not available
Flammability: Flammable liquid
Vapor Pressure: Low at 20°C (<0.1 mmHg)
Vapor Density: Not available
Density: 0.97 g/cm³ at 25°C
Solubility: Slightly soluble in water, soluble in organic solvents
Partition Coefficient (n-octanol/water): Not available
Autoignition Temperature: 410°C
Decomposition Temperature: Not available
Viscosity: Not determined
Chemical Stability: Stable under normal conditions of storage and use
Possibility of Hazardous Reactions: Reacts with strong oxidizing agents, acids, acid chlorides
Conditions to Avoid: Heat, flames, sparks, direct sunlight, moisture
Incompatible Materials: Acid chlorides, strong oxidizers, strong acids
Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide, imidazole derivatives
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: LD50 (oral, rat): 1200 mg/kg (estimate); LD50 (dermal, rabbit): > 2000 mg/kg (estimate)
Skin Corrosion/Irritation: Causes moderate irritation
Serious Eye Damage/Irritation: Causes irritation
Respiratory Sensitization: May cause respiratory tract irritation
Ingestion Effects: Nausea, abdominal pain, headache
Chronic Exposure: Prolonged exposure could lead to effects on liver or nervous system
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, ACGIH, OSHA
Reproductive Toxicity: Not enough information for assessment
Mutagenicity: Data lacking
Target Organ Effects: Central nervous system, liver, kidneys (with repeated exposure)
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Aquatic Toxicity: LC50 (fish): 60 mg/L (estimate)
Persistence and Degradability: Expected to degrade slowly in environment
Bioaccumulative Potential: Low, based on molecular structure
Soil Mobility: Low mobility due to low water solubility
Other Adverse Effects: No known significant effects
Waste Treatment Methods: Dispose of material and contaminated packaging via licensed chemical waste contractor, observing all local, regional, and national regulations
Incineration: Preferred method for disposal in compliance with environmental authority requirements
Contaminated Packaging: Rinse containers thoroughly; offer for recycling or dispose as chemical waste
UN Number: UN1993
UN Proper Shipping Name: Flammable liquid, n.o.s. (1-Isobutyl-2-Methylimidazole)
Transport Hazard Class: 3 (Flammable liquids)
Packing Group: III
Environmental Hazards: Not classified as marine pollutant
Special Precautions: Keep containers upright and tightly sealed. Ensure adequate labeling as per regulations. Avoid excessive heat and direct sunlight during transit.
Labeling: GHS hazard pictograms, signal word "Warning", hazard and precautionary statements per GHS
Inventory Status: Listed on TSCA, EINECS/ELINCS, DSL
Relevant Legislation: OSHA Hazard Communication Standard (29 CFR 1910.1200), REACH Regulation (EC) No 1907/2006
Other Regulations: Subject to SARA Title III reporting requirements, if stored in significant quantity
Workplace Control: Refer to local workplace safety and health legislation for specific controls
