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 acutely toxic and environmentally hazardous, requiring careful handling and storage procedures.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one has a molecular weight of 237.64 g/mol and contains chlorine, nitrogen, and oxygen atoms in its structure. The presence of the diazenyl group typically imparts color properties to the compound. As an oxazolone derivative, it likely exists as a solid at room temperature. Specific physical properties such as melting point, solubility, and appearance should be confirmed through technical data sheets.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is primarily used in chemical synthesis and research applications. Its diazenyl structure suggests potential applications in dye chemistry or as an intermediate in pharmaceutical synthesis. The compound may also serve as a building block for more complex organic molecules in specialty chemical manufacturing. Industrial applications would typically involve controlled environments due to its toxicity classification.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one requires strict safety precautions due to its Acute Tox. 3 classification. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion. Emergency washing facilities must be readily accessible, and personnel should be trained in proper handling procedures before use.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its environmental hazard classification, prevent release to the environment and ensure secondary containment. Storage areas must be clearly labeled and access restricted to authorized personnel. Regular inventory checks and proper segregation from incompatible substances are essential for safe storage.

Immediate action is required following contact with 4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one due to its acute toxicity. For skin contact, wash immediately with plenty of water for at least 15 minutes and remove contaminated clothing. In case of eye contact, flush thoroughly with water and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical care. Always consult safety data sheets for complete emergency procedures.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one must be disposed of through licensed hazardous waste facilities due to its toxicity and environmental hazard classifications. Disposal must comply with local, national, and EU waste regulations including the Waste Framework Directive. Container disposal should follow the same requirements as the contents. Never dispose of this substance through regular waste streams or down drains due to its aquatic toxicity classification.

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 toxic substance markings, and accompanying transport documents. Drivers must hold ADR certification for Class 6.1 materials. Transport vehicles require appropriate placarding and emergency equipment. Consult current ADR regulations for complete transportation requirements and restrictions.

4-[(2-chlorophenyl)diazenyl]-3-methyl-2H-1,2-oxazol-5-one is subject to EU REACH and CLP regulations due to its chemical classification. While not currently listed as an SVHC, its Acute Tox. 3 and aquatic toxicity classifications require compliance with chemical safety requirements. Users must ensure proper classification, labeling, and safety data sheet provision. Import/export may require notification under REACH depending on quantities. National regulations may impose additional restrictions on use or handling.

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 distributor, OYSI ensures compliance with EU regulations and provides technical support for safe handling and application guidance. Contact OYSI directly for availability, specifications, and delivery throughout Europe.