4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is an organic chemical compound with CAS number 90884-29-0 and molecular formula C16H18O3S2. This substance features a symmetrical structure containing two hydroxyphenyl groups connected by a sulfanyl-ethoxy-ethylsulfanyl bridge. With a molecular weight of 322.4 g/mol, it belongs to the class of organosulfur compounds and exhibits properties that classify it as a skin sensitizer and potential aquatic hazard.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is a solid organic compound at room temperature with a molecular weight of 322.4 g/mol. The presence of hydroxyl groups and ether linkages suggests moderate polarity, potentially allowing solubility in polar solvents. The sulfur-containing bridge structure contributes to its chemical stability. Specific physical properties such as melting point, boiling point, and exact solubility data would require analytical testing for precise determination.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is primarily used in specialized chemical applications where its unique organosulfur structure provides specific functionality. Common applications include use as a chemical intermediate in organic synthesis, potential antioxidant applications due to its phenolic groups, and specialized industrial processes requiring sulfur-bridge compounds. Its symmetrical structure makes it valuable for materials science applications and as a building block in advanced chemical formulations.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol requires careful handling due to its Skin Sens. 1 classification. Essential personal protective equipment includes chemical-resistant gloves, safety glasses, and protective clothing to prevent skin contact. Work in well-ventilated areas and avoid generating dust. Implement proper hygiene measures including thorough handwashing after handling. The GHS07 warning pictogram indicates the need for standard laboratory safety precautions to prevent sensitization reactions.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed and properly labeled according to CLP regulations. Store separately from incompatible materials including strong oxidizers and acids. Due to its Aquatic Chronic 2 classification, ensure proper containment to prevent environmental release. Maintain storage temperature below 25°C when possible and inspect containers regularly for integrity.

Skin contact with 4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol requires immediate action due to its sensitizing properties. Remove contaminated clothing and wash affected skin thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air. Due to the Skin Sens. 1 classification, monitor for allergic reactions and seek medical advice if symptoms develop.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol must be disposed of as hazardous chemical waste in accordance with local and European regulations. Due to its Aquatic Chronic 2 classification, prevent release to water systems or soil. Contact authorized waste disposal companies for proper treatment and disposal. Never dispose of via regular waste streams or sewers. Contaminated packaging should be treated as hazardous waste. Maintain disposal records for regulatory compliance and environmental protection.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation. This requires appropriate packaging, labeling, and documentation according to ADR regulations. Use UN-approved packaging suitable for Packing Group III substances. Transport vehicles must carry appropriate safety equipment and emergency information. Drivers require ADR training for Class 9 materials. Ensure proper shipping documentation and emergency contact information accompany all shipments.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is subject to REACH regulation requiring registration for import/manufacture above 1 tonne annually. It is not classified as SVHC (Substance of Very High Concern). CLP regulation mandates classification as Skin Sens. 1 and Aquatic Chronic 2 with appropriate labeling including GHS07 and GHS09 pictograms. ADR transportation regulations apply for shipping. Users must implement appropriate risk management measures and maintain safety data sheets.

4-[2-[2-(4-hydroxyphenyl)sulfanylethoxy]ethylsulfanyl]phenol is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound with full regulatory compliance including proper classification, labeling, and safety documentation according to REACH and CLP requirements. As a professional chemical distributor, OYSI ensures appropriate packaging, transportation arrangements, and technical support for industrial customers across Europe requiring this specialized organosulfur compound for their applications.