Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is an organophosphorus compound with the molecular formula C24H25O2P and CAS number 35000-38-5. This chemical substance has a molecular weight of 376.4 g/mol and belongs to the family of phosphonium ylides. It is classified as a hazardous substance with acute toxicity and potential for specific target organ toxicity upon repeated exposure.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is a complex organic molecule containing phosphorus with a molecular mass of 376.4 g/mol. The compound features a tert-butyl ester group combined with a triphenylphosphonium moiety. Its exact physical state, color, and solubility properties depend on storage conditions and purity grade, though specific data should be verified through technical documentation from suppliers.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is primarily used as a reagent in organic synthesis, particularly in Wittig reactions and related phosphonium ylide chemistry. This compound serves as an important intermediate in pharmaceutical synthesis and fine chemical manufacturing. Its applications include the preparation of alkenes and other carbon-carbon bond forming reactions in research laboratories and specialized chemical production facilities.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate requires careful handling due to its Acute Tox. 3 classification and skin sensitization potential. Essential protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods. Avoid skin and eye contact, and prevent inhalation of vapors or dust. Emergency eyewash stations and safety showers should be readily accessible.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep containers away from heat sources and direct sunlight. Storage areas should be equipped with appropriate spill containment measures and restricted to authorized personnel only. Regular inspection of container integrity is recommended to prevent leaks and environmental contamination.

Immediate action is required upon contact with tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, flush immediately with clean water for at least 15 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician and provide the safety data sheet.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate must be disposed of as hazardous chemical waste according to local and national regulations. The substance cannot be disposed of in regular waste streams due to its toxicity and environmental impact classification. Contact licensed waste disposal companies specialized in chemical waste treatment. Ensure proper documentation and tracking of waste disposal activities as required by environmental protection authorities.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is classified under ADR Class 6.1 (toxic substances), Packing Group II, indicating moderate toxicity requiring special transport precautions. Shipments must comply with dangerous goods regulations including proper packaging, labeling with GHS pictogrammes (GHS06, GHS08, GHS09), and appropriate transport documentation. Only authorized carriers trained in hazardous materials transport should handle shipments of this substance.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is subject to various chemical safety regulations including REACH registration requirements and CLP classification standards. The substance is not currently listed as SVHC (Substance of Very High Concern). Users must comply with occupational safety regulations, environmental protection laws, and proper hazard communication requirements including safety data sheet provision and worker training on hazardous substance handling.

Tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate is available through OYSI, a European distributor specializing in technical chemical products. OYSI provides this specialty chemical to research institutions, pharmaceutical companies, and fine chemical manufacturers across Europe. As an established chemical distributor, OYSI ensures proper documentation, regulatory compliance, and technical support for customers requiring this organophosphorus compound for their applications.