2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is an organic chemical compound with the molecular formula C19H25ClN2OS and CAS number 96489-71-3. This pyridazinone derivative has a molecular weight of 364.9 g/mol and contains chlorine, nitrogen, oxygen, and sulfur functional groups. It is classified as a hazardous substance with acute toxicity properties and environmental concerns, requiring careful handling and specialized knowledge for safe use in industrial applications.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is a complex organic molecule with a molecular weight of 364.9 g/mol. The compound contains multiple functional groups including tert-butyl substituents, a chloropyridazinone core, and a methylsulfanyl linker. Its structure suggests it is likely a solid at room temperature with limited water solubility due to its hydrophobic tert-butyl groups. Specific physical properties such as melting point, boiling point, and exact solubility data would require laboratory analysis or detailed technical documentation.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is typically used as a specialized chemical intermediate or research compound in pharmaceutical and agrochemical industries. Its complex pyridazinone structure suggests potential applications in the synthesis of bioactive compounds or as a building block for more complex molecules. Due to its specific chemical structure and hazardous classification, it is primarily used by professional chemists and researchers in controlled laboratory or industrial settings rather than consumer applications.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one requires careful handling due to its Acute Tox. 3 classification and 'Danger' signal word. Personnel must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation. Avoid direct skin contact, ingestion, and inhalation. The GHS06 pictogram indicates acute toxicity hazards, requiring trained personnel and emergency procedures to be in place.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one must be stored in a cool, dry, well-ventilated area away from incompatible materials. Given its acute toxicity classification, storage should be in a locked, designated hazardous chemical storage area with restricted access. Containers must be tightly sealed and properly labeled according to GHS requirements. Due to its environmental hazard classification (Aquatic Acute 1), prevent any release to the environment and store away from water sources and drainage systems.

Immediate action is required due to the Acute Tox. 3 classification of 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one. For skin contact, immediately remove contaminated clothing and wash affected area with plenty of soap and water. If eye contact occurs, flush thoroughly with clean water for at least 15 minutes. In case of inhalation, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet and contact emergency medical services if symptoms develop.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one must be disposed of as hazardous waste through licensed waste management companies. Due to its acute toxicity and aquatic hazard classifications, it cannot be disposed of in regular waste streams or discharged to sewers or the environment. Disposal must comply with local, national, and EU waste regulations including the European Waste Catalogue. Contaminated containers and materials also require hazardous waste disposal. Always consult local environmental authorities for specific disposal requirements and approved waste management facilities.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is classified under ADR Class 6.1 (toxic substances), Packing Group III for transportation. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Packages must display the appropriate hazard labels and UN identification numbers. Transportation must be conducted by trained personnel with proper shipping documentation including dangerous goods declarations. Vehicles must carry appropriate emergency equipment and follow prescribed routes where applicable under ADR regulations.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is subject to REACH regulation for chemical registration, evaluation, and authorization in the EU. It falls under CLP regulation for classification, labeling, and packaging with mandatory GHS06 and GHS09 pictograms. The compound is not currently identified as a Substance of Very High Concern (SVHC). Companies handling this substance must comply with occupational health and safety regulations, environmental protection laws, and waste management directives. Import/export may require additional permits depending on destination countries.

2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one is available through OYSI, a specialized European distributor of technical chemicals. As a hazardous substance requiring professional handling, it is typically supplied to qualified industrial customers, research institutions, and pharmaceutical companies. OYSI provides proper documentation including safety data sheets, certificates of analysis, and regulatory compliance information. Due to its specialized nature and hazard classification, purchases may require verification of end-use and appropriate handling capabilities. Contact OYSI directly for availability, specifications, and ordering requirements.