Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane is an organophosphorus compound with CAS number 333-41-5 and molecular formula C12H21N2O3PS. This chemical substance has a molecular weight of 304.35 g/mol and belongs to the class of phosphorothioate compounds. It is classified as acutely toxic (category 4) and poses significant environmental hazards to aquatic life, requiring careful handling and environmental protection measures during use and disposal.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane has a molecular weight of 304.35 g/mol with the molecular formula C12H21N2O3PS. As an organophosphorus compound, it typically exists as a liquid at room temperature. The substance contains phosphorus, sulfur, and nitrogen functional groups within its pyrimidine ring structure. Specific physical properties such as boiling point, density, and solubility characteristics should be verified from the safety data sheet for precise handling and application requirements.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane is primarily used as an active ingredient in agricultural applications, particularly as an insecticide and acaricide. Its organophosphorus structure makes it effective against various pest species by inhibiting acetylcholinesterase enzymes. The compound may also serve as an intermediate in the synthesis of other pesticide formulations or related chemical products. Professional applications require appropriate licensing and compliance with agricultural chemical regulations.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane requires careful handling due to its Acute Tox. 4 classification and environmental hazards. Always wear appropriate personal protective equipment including chemical-resistant gloves, protective clothing, and eye protection. Work in well-ventilated areas or use local exhaust ventilation to minimize inhalation exposure. Avoid contact with skin, eyes, and clothing. Wash hands thoroughly after handling and do not eat, drink, or smoke during use. Keep away from aquatic environments due to its high aquatic toxicity.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed and properly labeled in their original packaging. Store separately from food, feed, and drinking water due to its toxic properties. Ensure storage areas have appropriate containment measures to prevent environmental release, particularly to aquatic systems. Access should be restricted to authorized personnel only, and storage facilities must comply with local chemical storage regulations and ADR transport class 6.1 requirements.

Immediate action is required for any contact with diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane due to its acute toxicity. For skin contact, immediately remove contaminated clothing and wash affected areas with plenty of soap and water. If eyes are exposed, rinse immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet and contact poison control or emergency services when necessary.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane must be disposed of as hazardous waste due to its toxic and environmentally hazardous properties. Never dispose of this substance down drains, in soil, or regular waste streams due to its high aquatic toxicity (Aquatic Acute 1, Aquatic Chronic 1). Contact licensed hazardous waste disposal companies for proper treatment and destruction, typically through high-temperature incineration. Empty containers should also be treated as hazardous waste. Always follow local, national, and EU waste disposal regulations and maintain proper documentation of disposal activities.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane is classified under ADR transport regulations as Class 6.1 (toxic substances), Packing Group III. Transportation requires appropriate UN-specification packaging, proper labeling with toxic substance markings, and transport documents indicating the hazardous nature. Vehicles must carry appropriate emergency equipment and drivers need ADR certification for dangerous goods transport. Shipments must comply with quantity limitations and routing restrictions. Ensure packages are secured to prevent damage and potential environmental release during transport, especially considering the substance's aquatic toxicity.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane is subject to multiple European regulations including REACH registration requirements and CLP classification as Acute Tox. 4 and aquatic hazard categories. It is not currently listed as a Substance of Very High Concern (SVHC). As a pesticide active ingredient, it falls under the Plant Protection Products Regulation (EU) 1107/2009, requiring authorization for agricultural use. Transport is regulated under ADR as Class 6.1 dangerous goods. Users must comply with occupational safety regulations and environmental protection requirements, particularly regarding aquatic environment protection.

Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-lambda5-phosphane is available through OYSI, a specialized European distributor of technical chemical products. OYSI provides professional-grade chemicals to industrial customers across Europe with proper documentation and regulatory compliance. Due to the substance's toxic classification and pesticide applications, purchases may require appropriate licenses and end-use declarations. Contact OYSI directly for availability, technical specifications, safety data sheets, and regulatory guidance. Other suppliers may include specialized pesticide manufacturers and chemical distributors with appropriate authorizations for handling Class 6.1 dangerous goods.