2-[4-[4-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl]sulfonylethyl-dimethylazanium;phosphenic acid

2-[4-[4-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl]sulfonylethyl-dimethylazanium;phosphenic acid is a complex organic chemical compound with CAS number 106359-93-7 and molecular formula C19H24ClN3O5PS+. This substance has a molecular weight of 472.9 g/mol and contains chlorophenyl, pyrazol, and sulfonyl functional groups. It is classified as an eye irritant and poses risks to aquatic environments, requiring careful handling in industrial applications.

This compound is a solid organic substance with a molecular weight of 472.9 g/mol and the molecular formula C19H24ClN3O5PS+. The presence of both hydrophilic (sulfonyl, phosphenic acid) and hydrophobic (chlorophenyl) groups suggests moderate solubility characteristics. Its complex structure includes aromatic rings, heteroatoms (nitrogen, phosphorus, sulfur), and ionic character, which influence its physical properties and behavior in different solvents and environmental conditions.

This compound is primarily used in specialized chemical applications, likely in pharmaceutical intermediates or agrochemical formulations given its complex pyrazol and chlorophenyl structure. Its specific molecular architecture suggests potential use in research and development, synthetic chemistry, or as a building block in the production of more complex molecules. The presence of multiple functional groups makes it valuable for various chemical transformations and specialized industrial processes.

Safe handling requires appropriate personal protective equipment including safety goggles to prevent eye contact, as the substance is classified as Eye Irritant Category 2. Wear chemical-resistant gloves, protective clothing, and ensure adequate ventilation in the work area. Avoid direct contact with skin and eyes, and prevent release to the environment due to its aquatic toxicity classification. Handle in well-ventilated areas and follow good laboratory practices to minimize exposure risks.

Store this compound in a cool, dry, well-ventilated area away from incompatible materials and heat sources. Keep containers tightly closed and properly labeled according to GHS requirements with Warning signal word and appropriate pictograms (GHS07, GHS09). Due to its aquatic toxicity classification, ensure storage areas have appropriate containment measures to prevent environmental release. Store away from water sources and follow local regulations for chemical storage facilities.

In case of eye contact, immediately flush with plenty of clean water for at least 15 minutes and seek medical attention, as this substance is classified as an eye irritant. For skin contact, wash thoroughly with soap and water. If inhaled, move to fresh air and seek medical attention if symptoms persist. Remove contaminated clothing and wash before reuse. Always consult the safety data sheet for specific first aid measures and seek professional medical advice when necessary.

Disposal must comply with local and national hazardous waste regulations due to its classification as Aquatic Acute and Chronic Category 1. Never discharge to sewers, waterways, or soil. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Contaminated packaging should also be treated as hazardous waste. Follow the waste management hierarchy: reduce, reuse where possible, and ensure final disposal through authorized facilities equipped to handle chemically hazardous materials.

This substance is classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III, indicating it poses relatively lower transport risks compared to higher packing groups. Transport in appropriate UN-specification packaging with proper labeling and documentation. Ensure compliance with ADR regulations for road transport, including proper placarding of vehicles and driver training. Avoid transport during extreme weather conditions and ensure emergency response information is readily available during transport.

This substance is not classified as a Substance of Very High Concern (SVHC) under REACH regulation. However, it must comply with CLP regulation for classification, labeling, and packaging due to its hazard classifications (Eye Irritant 2, Aquatic Acute 1, Aquatic Chronic 1). Users must follow occupational exposure limits where applicable and ensure proper risk assessment under REACH. Environmental discharge may be restricted due to its aquatic toxicity classification, requiring compliance with local environmental protection regulations.

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