2-butyl-5-chloro-1H-imidazole-4-carbaldehyde

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is an organic chemical compound with the molecular formula C8H11ClN2O and CAS number 83857-96-9. This imidazole derivative contains a butyl side chain, a chlorine atom, and an aldehyde functional group. With a molecular weight of 186.64 g/mol, it belongs to the heterocyclic compounds family and is classified as a skin sensitizer with moderate aquatic toxicity.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is a solid organic compound with a molecular weight of 186.64 g/mol. The presence of the aldehyde group typically confers a characteristic odor to the compound. As an imidazole derivative with both polar (imidazole ring, aldehyde) and non-polar (butyl chain) regions, it exhibits moderate solubility in organic solvents and limited water solubility.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is primarily used as an intermediate in pharmaceutical synthesis and fine chemical manufacturing. Its imidazole structure makes it valuable for developing antifungal agents, pharmaceuticals, and agrochemicals. The compound serves as a building block in organic synthesis, particularly in the production of more complex imidazole-based molecules used in medicinal chemistry and specialty chemical applications.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde requires careful handling due to its skin sensitizing properties (Skin Sens. 1 classification). Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact, and ensure emergency washing facilities are readily available during handling operations.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed to prevent moisture absorption and contamination. Due to the aldehyde functional group, avoid storage near strong oxidizing agents and bases. Store in original containers with proper labeling, ensuring compliance with local chemical storage regulations and maintaining an appropriate inventory system.

Skin contact with 2-butyl-5-chloro-1H-imidazole-4-carbaldehyde requires immediate action due to its sensitizing properties. Remove contaminated clothing and wash affected skin thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes. If inhaled, move to fresh air. Seek medical attention if irritation persists or allergic reactions develop. Always consult the safety data sheet for complete first aid procedures.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde must be disposed of according to local and national hazardous waste regulations due to its classification as aquatic chronic 2. Contact licensed waste disposal companies for proper treatment and disposal. Never discharge into drains, soil, or water bodies. Small quantities may require special collection procedures, while larger amounts need professional hazardous waste management with proper documentation and tracking.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Use UN-approved packaging and ensure proper shipping papers accompany the shipment. Transport vehicles must comply with ADR requirements, and drivers need appropriate dangerous goods training and certification.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is subject to standard EU chemical regulations including REACH registration requirements and CLP classification. It is classified under GHS with pictograms GHS07 and GHS09, requiring appropriate labeling and safety data sheets. The compound is not currently identified as a Substance of Very High Concern (SVHC). Users must comply with occupational exposure limits and environmental protection measures as specified in local legislation.

2-butyl-5-chloro-1H-imidazole-4-carbaldehyde is available through OYSI, a specialized European distributor of fine chemicals and pharmaceutical intermediates. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance. As a professional chemical distributor, OYSI ensures product quality and handles all necessary import/export documentation for seamless delivery to research institutions, pharmaceutical companies, and chemical manufacturers throughout Europe.