4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is an organic chemical compound with CAS number 5707-69-7 and molecular formula C10H8ClN3O2. This substance belongs to the oxazolone family and contains both diazenyl and chlorophenyl functional groups. With a molecular weight of 237.64 g/mol, it is classified as a toxic substance requiring careful handling due to its acute toxicity and environmental hazard properties.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one has a molecular weight of 237.64 g/mol and molecular formula C10H8ClN3O2. The compound contains aromatic rings with chlorine substitution and azo linkage, which typically results in colored appearance. As an oxazolone derivative with diazenyl functionality, it exhibits moderate polarity. Specific physical properties such as melting point, boiling point, and solubility data should be verified through technical documentation.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is primarily used as a chemical intermediate in organic synthesis and pharmaceutical research. Its diazenyl structure makes it valuable in the development of azo compounds and potential pharmaceutical applications. The compound may also serve in specialty chemical manufacturing processes. Due to its specific molecular structure, it finds applications in research laboratories for synthetic chemistry studies and as a building block for more complex molecules.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one requires careful handling due to its Acute Tox. 3 classification and Danger signal word. Essential protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid skin and eye contact, and ensure no ingestion occurs. Emergency shower and eyewash stations should be readily accessible when handling this substance.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and protected from light to prevent degradation. Storage areas must be equipped with appropriate containment measures due to its environmental hazard classification (Aquatic Acute 1, Aquatic Chronic 1). Ensure storage complies with local regulations for toxic substances and maintain proper inventory records.

Immediate action is required upon contact with 4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one due to its acute toxicity. For skin contact, remove contaminated clothing and rinse thoroughly with water for at least 15 minutes. If eye contact occurs, flush immediately with water for 15-20 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 for specific first aid measures.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one must be disposed of as hazardous waste due to its toxic and environmentally hazardous properties. Contact licensed waste disposal companies specializing in toxic chemical waste. Never dispose of this substance through regular waste streams or pour into drains due to its aquatic toxicity classification. Disposal must comply with local, national, and European waste regulations including proper documentation and tracking of hazardous waste disposal.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is classified under ADR Class 6.1 (toxic substances), Packing Group III for transportation. This classification requires appropriate UN-specification packaging, proper labeling with GHS06 and GHS09 pictograms, and transport documentation. Vehicles must carry appropriate emergency equipment and drivers require ADR training for Class 6.1 substances. Shipments must comply with quantity limitations and routing restrictions for toxic materials under European transport regulations.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is subject to REACH registration requirements and CLP classification regulations within the European Union. The substance is not currently listed as SVHC (Substance of Very High Concern). It must be classified with GHS06 and GHS09 pictograms and carry the Danger signal word. Companies handling this substance must ensure proper registration, safety data sheet provision, and compliance with occupational exposure limits and environmental protection measures.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this substance with complete regulatory documentation including safety data sheets and certificates of analysis. As a professional chemical supplier, OYSI ensures compliance with European regulations and provides technical support for safe handling and application guidance. Contact OYSI directly for availability, specifications, and delivery options across European markets.