Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate is a complex organic compound with the CAS number 134098-61-6 and molecular formula C24H27N3O4. This chemical substance has a molecular weight of 421.5 g/mol and belongs to multiple hazard classes including acute toxicity and skin sensitization. It is classified as a dangerous substance requiring special handling precautions due to its toxicological properties and environmental impact potential.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate has a molecular weight of 421.5 g/mol and molecular formula C24H27N3O4. The compound contains multiple functional groups including benzoate ester, pyrazole, and oxime ether moieties. Its complex aromatic structure suggests limited water solubility and moderate to high lipophilicity. Specific physical properties such as melting point, boiling point, and exact solubility parameters would require experimental determination or detailed technical data sheets.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate is primarily used as an intermediate in pharmaceutical and agrochemical synthesis. Its complex structure containing pyrazole and oxime functionalities makes it valuable for developing bioactive compounds. The compound may serve as a building block in medicinal chemistry research or as a precursor for more complex molecular structures. Industrial applications are typically limited to specialized chemical manufacturing and research facilities requiring high-purity intermediates.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate requires careful handling due to its Acute Tox. 2 and 3 classifications and skin sensitization potential. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and laboratory coats. Work in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid direct skin contact and implement proper hygiene measures. The substance's skin sensitizing properties (Skin Sens. 1B) necessitate particular attention to prevent allergic reactions through dermal exposure.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly sealed to prevent contamination and moisture uptake. Due to its acute toxicity classification, store in designated areas with restricted access and appropriate warning labels. Maintain storage temperature within manufacturer specifications and ensure compatibility with container materials. Implement proper inventory management and regular inspection procedures to monitor container integrity and product quality.

Immediate action is required due to the compound's acute toxicity and skin sensitization potential. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Contact emergency services if symptoms develop, and provide safety data sheet information to medical personnel for proper treatment guidance.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate requires specialized hazardous waste disposal due to its toxicity and environmental hazard classifications (Aquatic Acute 1, Aquatic Chronic 1). Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never dispose through normal waste streams or sewage systems. Follow local and national regulations for hazardous chemical waste management. Maintain disposal records and ensure waste classification codes are properly assigned. Consider incineration at authorized high-temperature facilities as the preferred disposal method.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate is classified under ADR Class 6.1 (toxic substances), Packing Group II, indicating moderate to high toxicity requiring special transport precautions. Use approved packaging materials and ensure proper labeling with GHS06 and GHS09 pictograms. Transport documentation must include proper shipping names, hazard class, and emergency response information. Drivers require ADR certification for Class 6.1 materials. Vehicles must display appropriate hazard placards and carry emergency equipment as specified by ADR regulations.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate is subject to multiple European regulations including REACH registration requirements and CLP classification obligations. The substance is not currently listed as SVHC (Substance of Very High Concern). Its acute toxicity and environmental hazard classifications require compliance with industrial emissions directives and waste management regulations. Users must implement risk management measures according to exposure scenarios and maintain safety data sheets. Import/export may require additional notifications depending on quantities and intended uses under chemical control legislation.

Tert-butyl 4-[[(E)-(1,3-dimethyl-5-phenoxypyrazol-4-yl)methylideneamino]oxymethyl]benzoate is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides comprehensive regulatory support, technical documentation, and logistics services across European markets. The compound requires specialized handling and regulatory compliance, making experienced distributors essential for procurement. Contact OYSI directly for availability, specifications, and regulatory documentation. Other specialized chemical distributors focusing on pharmaceutical intermediates may also stock this compound, but ensure they provide complete regulatory compliance support.