Product name: 1-Vinylimidazole
CAS number: 1072-63-5
Synonyms: N-Vinylimidazole, 1-Ethenylimidazole
Recommended use: Monomer for polymer production, intermediate in chemical synthesis
Manufacturer: [Supplier information required]
Contact information: [Phone number, address, emergency contact]
Emergency overview: Clear to yellowish liquid with a faint amine-like odor; intended for industrial and laboratory use
GHS classification: Flammable liquids (Category 3), Acute toxicity oral (Category 4), Eye irritation (Category 2A), Skin sensitization (Category 1)
Signal word: Warning
Hazard statements: Flammable liquid and vapor; harmful if swallowed; causes serious eye irritation; may cause allergic skin reaction
Precautionary statements: Avoid breathing vapors; wash exposed skin thoroughly; wear protective gloves and eye protection; keep away from heat and sparks
Routes of exposure: Inhalation, ingestion, skin and eye contact
Chemical name: 1-Vinylimidazole
CAS number: 1072-63-5
EC number: 214-012-0
Purity: ≥98%
Impurities contributing to hazard: May contain trace amounts of imidazole and related derivatives
Inhalation: Move the person to fresh air; support breathing if necessary; seek medical attention if symptoms arise
Skin contact: Remove contaminated clothing; wash skin with soap and plenty of water for at least 15 minutes; seek medical help if irritation appears
Eye contact: Rinse cautiously with water for several minutes, remove contact lenses if possible; keep rinsing and call medical personnel
Ingestion: Do not induce vomiting; rinse mouth; seek immediate medical advice; provide water if the person is conscious
Suitable extinguishing media: Carbon dioxide, foam, dry chemical, water spray
Unsuitable media: Strong water jet may spread fire
Unusual hazards: Produces toxic vapors of carbon oxides, nitrogen oxides during combustion
Protective equipment: Full firefighting gear including self-contained breathing apparatus
Special precautions: Cool containers exposed to fire with water spray to prevent pressure build-up
Personal protective equipment: Chemical-resistant gloves, eye protection, respirator if vapors are present
Spill containment: Evacuate area; ventilate; stop source of spill if possible
Clean-up methods: Absorb with inert material like sand or vermiculite; transfer to sealable container for disposal
Environmental precautions: Prevent entry into drains, waterways, and soil
Disposal of residues: Dispose as chemical waste in accordance with regulations
Safe handling: Work in well-ventilated spaces; wear recommended protective gear; avoid contact with skin, eyes, clothing
Technical measures: Use explosion-proof equipment; eliminate ignition sources such as open flames and static
Storage conditions: Store in cool, dry, well-ventilated area; keep container tightly closed
Incompatible materials: Strong oxidizers, acids, peroxides, bases
Storage stability: Keep away from direct sunlight and moisture; segregate from food and drink
Exposure limits: No specific occupational exposure limits assigned; use general chemical control guidelines
Engineering controls: Laboratory hoods, local exhaust ventilation
Eye protection: Chemical splash goggles
Skin protection: Impermeable gloves, lab coat, long sleeves
Respiratory protection: If exposure limits risk being exceeded, use a suitable NIOSH-approved respirator
Hygiene measures: Wash hands after handling; do not eat, drink, or smoke in working area
Appearance: Clear to yellowish liquid
Odor: Faint amine-like
Odor threshold: Not determined
pH: ~8.3 (5% solution in water)
Melting point/freezing point: -41°C
Boiling point: 198°C
Flash point: 79°C (closed cup)
Evaporation rate: Not available
Flammability: Flammable
Vapor pressure: 0.1 mm Hg at 25°C
Vapor density: 3.7 (air = 1)
Density: 1.035 g/cm³ at 20°C
Solubility: Miscible with water
Partition coefficient (n-octanol/water): Log Kow = 0.03
Decomposition temperature: Not determined
Viscosity: Not available
Chemical stability: Stable under recommended storage and handling conditions
Possibility of hazardous reactions: Tendency to polymerize under heat or contamination, especially with peroxides or strong acids
Conditions to avoid: Heat, flame, sparks, incompatible materials
Incompatible materials: Strong oxidizers, acids, free radical initiators, peroxides
Hazardous decomposition products: Carbon monoxide, carbon dioxide, nitrogen oxides, possibly imidazole vapors
Acute toxicity oral (LD50, rat): 830 mg/kg
Skin irritation: Causes moderate skin irritation on contact
Eye irritation: Causes serious eye irritation; risk of chemical conjunctivitis
Sensitization: Possible skin sensitizer upon repeated exposure
Respiratory effects: Fumes may cause irritation of the respiratory tract; prolonged exposure may lead to headaches or dizziness
Chronic toxicity: No confirmed evidence of carcinogenicity or reproductive toxicity from available data
Routes of entry: Skin, eyes, ingestion, inhalation
Symptoms of overexposure: Skin redness, eye watering, coughing, nausea
Ecotoxicity: Harmful to aquatic organisms; may cause long-term effects in aquatic environments
Persistence and degradability: Expected to be readily biodegradable
Bioaccumulation potential: Low, based on low log Kow
Mobility in soil: High mobility due to water solubility
Other adverse effects: Not expected to contribute to ozone depletion or global warming potential
Waste treatment methods: Collect in suitable container for hazardous waste disposal; avoid entry into sewers and surface water
Incineration: Incinerate at licensed facility if possible
Disposal of contaminated packaging: Rinse and recycle or dispose of as hazardous chemical waste
Legal considerations: Disposal must comply with national, regional, and local regulations
UN number: 2810
UN proper shipping name: Toxic Liquid, Organic, N.O.S. (contains 1-Vinylimidazole)
Transport hazard class: 6.1 (Toxic substances)
Packing group: III
Environmental hazards: Not identified as marine pollutant
Special precautions: Use appropriate container; protect from physical damage and keep away from incompatible cargo
Transport regulations: Classified and regulated by ADR/RID, IMDG, IATA for road, sea, and air shipment
Inventory status: Listed on TSCA (US), EINECS (EU), DSL (Canada)
Classification and labeling: Subject to GHS/CLP labeling for flammable liquids, acute toxicity, and sensitization
Occupational safety: Subject to workplace control regulations for hazardous chemicals
Environmental regulation: Disposal and emissions restricted by national and local environmental authorities
Other requirements: Employers must provide training and safety resources; Safety Data Sheet available upon request
