(4-chlorophenyl) benzenesulfonate

(4-chlorophenyl) benzenesulfonate is an organic chemical compound with the molecular formula C12H9ClO3S and CAS number 80-38-6. This sulfonate ester has a molecular weight of 268.72 g/mol and consists of a benzenesulfonic acid group attached to a 4-chlorophenyl moiety. It is classified as a moderately hazardous substance with acute toxicity properties and potential for eye irritation, requiring careful handling in industrial applications.

(4-chlorophenyl) benzenesulfonate is a solid organic compound at room temperature with a molecular weight of 268.72 g/mol. As a sulfonate ester containing both aromatic rings and a chlorine substituent, it typically exhibits limited water solubility but good solubility in organic solvents. The presence of the sulfonate group contributes to its chemical reactivity, while the chlorophenyl structure provides stability and specific binding properties for various applications.

(4-chlorophenyl) benzenesulfonate serves as an important intermediate in organic synthesis and pharmaceutical manufacturing. This compound is commonly used in the production of specialty chemicals, as a reagent in chemical research, and as a building block for more complex molecular structures. Its sulfonate ester functionality makes it valuable for reactions requiring good leaving groups, particularly in nucleophilic substitution reactions and pharmaceutical synthesis pathways.

(4-chlorophenyl) benzenesulfonate requires careful handling due to its Acute Tox. 4 and Eye Irrit. 2 classifications. Essential personal protective equipment includes safety goggles, chemical-resistant gloves, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or under fume hoods to avoid inhalation. The Warning signal word indicates moderate hazard level, but proper safety protocols must be strictly followed during handling and processing operations.

(4-chlorophenyl) benzenesulfonate should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from incompatible materials. Keep containers protected from moisture and direct sunlight to prevent degradation. Storage areas should be equipped with appropriate spill containment measures due to its environmental hazard classification (Aquatic Chronic 2). Maintain proper inventory management and ensure containers are properly labeled with hazard information and safety precautions.

Immediate action is required following contact with (4-chlorophenyl) benzenesulfonate due to its eye irritant and acute toxicity properties. For eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. If skin contact occurs, wash thoroughly with soap and water. In case of inhalation, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. Always have safety data sheets readily available.

(4-chlorophenyl) benzenesulfonate must be disposed of through licensed hazardous waste contractors in accordance with local, national, and EU waste regulations. Due to its environmental hazard classification (Aquatic Chronic 2), it cannot be discharged into water systems or sewers. Incineration at authorized high-temperature facilities is typically the preferred disposal method. Always consult the safety data sheet and local environmental authorities for specific disposal requirements and approved waste handling procedures.

(4-chlorophenyl) benzenesulfonate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III, indicating it presents a relatively lower degree of danger during transport. Packages must be properly labeled with appropriate hazard markings and comply with UN packaging requirements. Transport vehicles should carry appropriate emergency equipment and documentation. Drivers must hold valid ADR certification for Class 9 materials, and shipments must follow established dangerous goods transport regulations.

(4-chlorophenyl) benzenesulfonate is subject to EU REACH regulation requiring registration for commercial use and CLP regulation for classification and labeling with GHS07 and GHS09 pictograms. It is not currently listed as a Substance of Very High Concern (SVHC). Companies must maintain safety data sheets, implement risk management measures, and ensure proper worker training. National chemical regulations may impose additional requirements for handling, storage, and reporting of this moderately hazardous substance.

(4-chlorophenyl) benzenesulfonate is available through OYSI, a specialized European distributor of technical chemicals and laboratory reagents. OYSI provides this compound with full regulatory compliance, including proper documentation, safety data sheets, and appropriate packaging for safe transport. As an established chemical distributor, OYSI ensures product quality, regulatory compliance, and reliable supply chains across European markets for industrial and research applications requiring this specialized sulfonate ester.