Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate is a synthetic pyrethroid insecticide commonly known as deltamethrin. This chemical compound features a complex molecular structure with the formula C22H19Br2NO3 and a molecular weight of 505.2 g/mol. It belongs to the class of pyrethroid pesticides and is characterized by its high insecticidal activity and environmental persistence. The substance is classified as toxic and hazardous to aquatic environments.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate typically appears as a white to beige crystalline solid at room temperature. The compound has poor water solubility but dissolves readily in organic solvents such as acetone, methanol, and xylene. It exhibits stability under normal conditions but may decompose when exposed to strong alkali or high temperatures. The substance has a molecular weight of 505.2 g/mol and contains two bromine atoms in its structure.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate is primarily used as an active ingredient in insecticide formulations for agricultural and public health applications. It effectively controls a wide range of insects including lepidoptera, coleoptera, and diptera. The substance is commonly incorporated into crop protection products, household insecticides, and vector control programs. Its high potency allows for low application rates while maintaining excellent efficacy against target pests.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate requires careful handling due to its Acute Tox. 3 classification. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work in well-ventilated areas or under fume extraction systems. Avoid direct skin contact, inhalation, and ingestion. Wash hands thoroughly after handling and before eating or drinking. Keep away from heat sources and incompatible materials.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly sealed and store separately from food, feed, and incompatible chemicals such as strong acids and bases. Maintain storage temperatures below 25°C to prevent degradation. Use appropriate containment measures to prevent environmental release. Ensure storage areas comply with local regulations for toxic substances and have appropriate emergency response equipment available.

Immediate first aid is essential following contact with trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of clean water for at least 15 minutes. If ingested, do not induce vomiting and seek immediate medical attention. For inhalation, move to fresh air immediately. Contact emergency services and provide the safety data sheet to medical personnel.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate must be disposed of as hazardous waste through licensed waste disposal companies. Never dispose of this substance in regular trash, sewage systems, or soil due to its aquatic toxicity classification. Incineration at high temperatures in approved facilities is the preferred disposal method. Empty containers should be triple-rinsed and disposed of according to local regulations. Consult local environmental authorities for specific disposal requirements and approved waste management facilities in your area.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate is classified under ADR Class 6.1 (toxic substances), Packing Group II. Transportation requires appropriate UN-approved packaging, proper labeling with GHS06 and GHS09 pictograms, and accompanying transport documentation. Vehicles must carry emergency equipment and drivers need hazardous goods certification. Ensure packages are secured against movement and damage during transport. Follow specific routing restrictions and emergency response procedures as required by dangerous goods regulations.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate is subject to extensive regulatory oversight under REACH and CLP regulations in Europe. While not currently listed as an SVHC, it requires registration for commercial use and must be classified and labeled according to its hazard profile. The substance is regulated under pesticide legislation and may have restrictions on use in certain applications. Companies handling this chemical must comply with occupational safety regulations and environmental protection requirements including proper risk assessment and exposure controls.

Trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate is available through OYSI, a specialized European distributor of chemical products. OYSI provides this substance to qualified industrial customers with appropriate handling capabilities and regulatory compliance. As a controlled chemical requiring specialized handling, purchase is typically restricted to licensed companies in pesticide manufacturing, research institutions, and authorized industrial users. Contact OYSI directly to discuss availability, technical specifications, and regulatory requirements for your specific application needs.