5-tert-butyl-2-methylbenzenethiol

5-tert-butyl-2-methylbenzenethiol is an organic sulfur compound with the molecular formula C11H16S and CAS number 7340-90-1. This aromatic thiol features a benzene ring substituted with a tert-butyl group, a methyl group, and a thiol (-SH) functional group. With a molecular weight of 180.31 g/mol, it belongs to the class of substituted benzenethiols and exhibits multiple hazard classifications including flammability, reproductive toxicity, and skin sensitization properties.

5-tert-butyl-2-methylbenzenethiol is a liquid organic compound characterized by its sulfur-containing thiol functional group. As a thiol compound, it typically exhibits a strong, distinctive odor. The presence of the tert-butyl and methyl substituents on the benzene ring influences its physical properties, including boiling point and solubility characteristics. Being an aromatic thiol with moderate molecular weight, it shows limited water solubility but good solubility in organic solvents.

5-tert-butyl-2-methylbenzenethiol serves as an important intermediate in organic synthesis and chemical manufacturing processes. Thiol compounds like this are commonly used in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its unique substitution pattern makes it valuable for creating specific molecular structures in fine chemical synthesis. The compound may also find applications in polymer chemistry, surface modification, and as a building block for more complex sulfur-containing molecules.

5-tert-butyl-2-methylbenzenethiol requires careful handling due to its multiple hazard classifications. Use appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection in poorly ventilated areas. Work in well-ventilated spaces or under fume hoods to prevent inhalation exposure. Avoid skin and eye contact, and prevent ignition sources due to its flammable nature. The compound's skin sensitizing and irritating properties necessitate immediate washing if contact occurs, and proper training on emergency procedures.

5-tert-butyl-2-methylbenzenethiol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources due to its flammable liquid classification. Keep containers in secondary containment and away from incompatible materials such as strong oxidizers. Storage areas should be equipped with appropriate fire suppression systems and spill control measures. Regular inspection of containers for leaks or damage is essential, and access should be restricted to trained personnel only.

Immediate action is required in case of contact with 5-tert-butyl-2-methylbenzenethiol. For skin contact, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush eyes with clean water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air and monitor breathing. For ingestion, do not induce vomiting and seek immediate medical attention while providing the safety data sheet to medical personnel.

5-tert-butyl-2-methylbenzenethiol must be disposed of in accordance with local, national, and international waste regulations as a hazardous chemical waste. The compound cannot be discharged into drains, soil, or waterways due to its toxic and environmental properties. Disposal should only be conducted by licensed waste management companies equipped to handle flammable and toxic organic compounds. Containers should be properly labeled, and waste characterization documentation must accompany the disposal process to ensure regulatory compliance.

5-tert-butyl-2-methylbenzenethiol is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to international dangerous goods regulations. Shipments must include proper shipping names, hazard labels, and emergency response information. Vehicles and containers must meet ADR requirements for Class 9 substances, and drivers must have appropriate dangerous goods training certification for safe transportation across European borders.

5-tert-butyl-2-methylbenzenethiol is subject to various European chemical regulations including REACH registration requirements for manufacture and import above certain tonnage thresholds. The compound must be classified and labeled according to CLP regulation with appropriate hazard pictogrammes (GHS02, GHS08, GHS07, GHS09) and the danger signal word. While not currently listed as an SVHC substance, its reproductive toxicity classification may trigger additional reporting and risk assessment obligations for industrial users under various national and European chemical safety frameworks.

5-tert-butyl-2-methylbenzenethiol is available through OYSI, a specialized European distributor of technical chemicals and intermediates. OYSI provides this compound to industrial customers across Europe with proper regulatory documentation, safety data sheets, and technical support. As a professional chemical distributor, OYSI ensures compliance with European chemical regulations and provides reliable supply chain management for specialized organic compounds like 5-tert-butyl-2-methylbenzenethiol to pharmaceutical, chemical manufacturing, and research organizations throughout the European market.