(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane is an organophosphorus compound with the molecular formula C13H10BrCl2O2PS and a molecular weight of 412.1 g/mol. This substance contains bromine, chlorine, phosphorus, and sulfur atoms in its structure, making it a halogenated organophosphorus chemical. It is classified under CAS number 21609-90-5 and presents significant toxicological and environmental hazards, requiring careful handling and specialized safety measures in professional applications.

The physicochemical properties of (4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane include a molecular weight of 412.1 g/mol and the molecular formula C13H10BrCl2O2PS. As an organophosphorus compound containing multiple halogen substituents (bromine and chlorine), it likely exhibits low water solubility and moderate to high lipophilicity. The presence of phosphorus and sulfur atoms in the lambda5-phosphane structure contributes to its specific chemical reactivity and stability characteristics under various environmental conditions.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane is primarily used in specialized industrial applications requiring organophosphorus chemistry. Its unique structure containing halogenated phenoxy groups and phosphane functionality makes it suitable for research and development purposes, particularly in pharmaceutical intermediate synthesis or as a chemical building block. Due to its high toxicity classification (Acute Tox. 3 and 4), its use is restricted to professional industrial settings with appropriate safety infrastructure and trained personnel.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane requires strict safety protocols due to its Danger signal word and multiple hazard classifications. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, respiratory protection, and protective clothing. Work must be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Given its acute toxicity (categories 3 and 4) and specific target organ toxicity, handlers must be trained in emergency procedures and have immediate access to safety showers and eyewash stations.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane must be stored in a secure, cool, dry location away from incompatible materials. Storage areas should be well-ventilated and equipped with appropriate containment systems to prevent environmental release, given its aquatic toxicity classification. Containers must be tightly sealed and properly labeled with hazard pictogramms GHS06, GHS08, and GHS09. Access should be restricted to authorized personnel only, and storage facilities must comply with local regulations for toxic and environmentally hazardous substances.

Immediate decontamination is critical following contact with (4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane due to its acute toxicity. For skin contact, remove contaminated clothing and rinse thoroughly with 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. Given the substance's specific target organ toxicity (STOT SE 1), all exposures require prompt medical evaluation and monitoring.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane must be disposed of through licensed hazardous waste management facilities due to its multiple hazard classifications. The substance cannot be discharged to sewers or the environment given its aquatic toxicity (Aquatic Acute 1, Aquatic Chronic 1). Disposal methods typically include high-temperature incineration in specialized facilities equipped to handle organophosphorus and halogenated compounds. All disposal activities must comply with local, national, and European waste regulations, requiring proper documentation and chain-of-custody procedures.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane is classified as ADR Class 6.1 (Toxic substances), Packing Group II, requiring specialized dangerous goods transportation procedures. Packages must bear appropriate hazard labels and UN identification numbers, with proper shipping documentation including dangerous goods declarations. Drivers must hold ADR certification for Class 6.1 substances, and vehicles must be equipped with appropriate safety equipment. Transport containers must be leak-proof, properly sealed, and secured to prevent damage during transit, ensuring compliance with international dangerous goods regulations.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane is subject to comprehensive European chemical regulations under REACH and CLP frameworks. While not currently listed as a Substance of Very High Concern (SVHC), its multiple hazard classifications require strict compliance with supply chain communication requirements, including Safety Data Sheets and hazard labeling. Users must ensure proper risk assessment and implementation of appropriate risk management measures. The substance may also be subject to national restrictions on use, storage, and disposal, requiring verification of local regulatory requirements before handling.

(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane is available through OYSI, a specialized European distributor of technical chemical products. As a highly regulated substance with multiple hazard classifications, procurement requires verification of legitimate industrial use and appropriate safety infrastructure. OYSI ensures full regulatory compliance, providing complete documentation including Safety Data Sheets, certificates of analysis, and proper dangerous goods shipping arrangements. Given the substance's restricted nature, customers must demonstrate appropriate qualifications and safety capabilities for handling this toxic material.