1H-imidazole

1H-imidazole is a five-membered heterocyclic organic compound with the molecular formula C3H4N2 and CAS number 288-32-4. It contains two nitrogen atoms in its ring structure, making it a diazole. With a molecular weight of 68.08 g/mol, this compound serves as an important building block in organic synthesis and pharmaceutical applications. It is classified as a hazardous substance with reproductive toxicity, acute toxicity, and corrosive properties.

1H-imidazole is a white to pale yellow crystalline solid at room temperature with a characteristic amine-like odor. It is highly soluble in water, alcohols, and polar organic solvents due to its ability to form hydrogen bonds through its nitrogen atoms. The compound exhibits amphoteric behavior, acting as both an acid and base. It has a relatively low molecular weight of 68.08 g/mol and is stable under normal conditions.

1H-imidazole is primarily used as an intermediate in pharmaceutical synthesis, particularly for antifungal medications and histamine receptor antagonists. It serves as a building block for various heterocyclic compounds in organic chemistry. Industrial applications include its use as a corrosion inhibitor, curing agent for epoxy resins, and catalyst in polymerization reactions. It is also employed in the production of ionic liquids and as a ligand in coordination chemistry.

1H-imidazole requires careful handling due to its corrosive and toxic properties. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in a well-ventilated area or under a fume hood to avoid inhalation. Avoid skin and eye contact as it can cause severe burns. Use proper handling techniques and ensure all personnel are trained in safe chemical handling procedures before use.

1H-imidazole should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly closed and store in original packaging. Separate from incompatible materials such as strong acids, oxidizing agents, and moisture-sensitive compounds. Storage temperature should be controlled to prevent degradation. Ensure storage areas have appropriate spill containment measures and are accessible only to trained personnel.

In case of skin contact with 1H-imidazole, immediately remove contaminated clothing and flush the affected area with plenty of water for at least 15 minutes. For eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. Always consult a physician and provide the safety data sheet.

1H-imidazole must be disposed of according to local, national, and international waste regulations. It cannot be disposed of with regular waste due to its hazardous classification. Contact licensed waste disposal companies for proper treatment and disposal. Small quantities may be neutralized and treated according to approved procedures before disposal. Always consult local environmental authorities for specific disposal requirements and maintain proper documentation of waste disposal activities.

1H-imidazole is classified under ADR as Class 8 (corrosive substances), Packing Group III. It must be transported in appropriate UN-approved packaging with proper labeling including corrosive hazard labels and GHS pictograms (GHS05, GHS07, GHS08). Transport vehicles must comply with ADR regulations for corrosive materials. Proper shipping documentation including safety data sheets must accompany shipments. Only use authorized carriers experienced in hazardous material transport.

1H-imidazole is subject to various European regulations including REACH registration requirements and CLP classification as Repr. 1B, Acute Tox. 4, and Skin Corr. 1C. It carries the 'Danger' signal word and requires specific GHS pictograms (GHS08, GHS07, GHS05). While not currently listed as an SVHC substance, it may be subject to workplace exposure limits and requires proper risk assessment under occupational health regulations. Compliance with national chemical safety laws is mandatory.

1H-imidazole is available through OYSI, a trusted European distributor of technical chemicals. OYSI provides high-quality 1H-imidazole with proper documentation including certificates of analysis and safety data sheets. As a specialized chemical distributor, OYSI ensures compliance with European regulations and provides technical support for proper handling and application. Contact OYSI directly for pricing, availability, and delivery options across European markets for your specific requirements.