Propane-1-thiol

Propane-1-thiol is an organosulfur compound with the molecular formula C3H8S and CAS number 107-03-9. It belongs to the thiol family, characterized by the presence of a sulfhydryl (-SH) functional group attached to a three-carbon propane chain. With a molecular weight of 76.16 g/mol, this colorless liquid is known for its distinctive strong, unpleasant odor reminiscent of rotten eggs or garlic, making it easily detectable even at very low concentrations.

Propane-1-thiol is a colorless liquid at room temperature with an extremely strong, penetrating odor characteristic of thiols. It has a boiling point of approximately 67-68°C and is slightly soluble in water but readily miscible with most organic solvents including alcohols and ethers. The compound is volatile and has a relatively low flash point, making it flammable. Its sulfur-containing structure gives it reducing properties and the ability to form disulfide bonds under oxidizing conditions.

Propane-1-thiol serves multiple industrial applications, primarily as an intermediate in organic synthesis and pharmaceutical manufacturing. It is commonly used in the production of pesticides, rubber chemicals, and various sulfur-containing compounds. The compound also finds application as a flavoring agent in very small quantities due to its intense odor, and in gas odorization for leak detection purposes. Additionally, it serves as a building block in the synthesis of more complex organosulfur molecules in chemical research and development.

Propane-1-thiol requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas. Work should be conducted in a fume hood to prevent exposure to its strong odor and potential vapors. Avoid contact with skin, eyes, and clothing, and ensure no ignition sources are present due to its flammable nature. Use non-sparking tools and equipment, and have emergency eyewash stations and safety showers readily accessible in the work area.

Propane-1-thiol should be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable properties. Keep containers tightly sealed to prevent vapor escape and odor issues. Store away from oxidizing agents, strong bases, and metals that could catalyze unwanted reactions. Use appropriate secondary containment and ensure storage areas comply with local fire safety regulations. Maintain storage temperatures below 25°C and protect from direct sunlight to prevent decomposition.

Propane-1-thiol contact requires immediate action depending on the exposure route. For skin contact, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If eye contact occurs, flush with clean water for 15-20 minutes and seek medical attention. In case of inhalation, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician if symptoms persist or worsen.

Propane-1-thiol disposal must comply with local and national hazardous waste regulations as it is classified as flammable waste. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Do not pour down drains, sewers, or onto the ground as it can contaminate water sources and create odor problems. Small quantities may be disposed of through controlled incineration at appropriate high-temperature facilities. Always consult local environmental authorities for specific disposal requirements and approved waste treatment facilities.

Propane-1-thiol is classified under ADR Class 3 (flammable liquids) Packing Group II, requiring specific transportation protocols. It must be packaged in UN-approved containers with appropriate labeling and documentation. Vehicles must comply with ADR regulations for flammable substances, including proper placarding and equipment. Drivers require ADR certification for dangerous goods transport. Shipments must include proper shipping papers, emergency response information, and comply with routing restrictions. Ensure adequate ventilation during transport and avoid temperature extremes.

Propane-1-thiol is regulated under various European chemical legislations including REACH, where it must be registered for commercial use above certain tonnage thresholds. It falls under CLP regulation for classification and labeling of chemicals, requiring appropriate safety data sheets and hazard communication. The substance is not currently listed as an SVHC (Substance of Very High Concern) under REACH. Transport regulations under ADR apply for shipment, and local environmental regulations may govern its use, storage, and disposal in different EU member states.

Propane-1-thiol is available through OYSI, a leading European distributor of specialty chemicals serving industrial customers across the continent. OYSI provides high-quality propane-1-thiol with complete regulatory documentation, safety data sheets, and technical support. As an established chemical distributor, OYSI ensures compliance with European regulations and offers reliable supply chain solutions. For pricing, availability, and technical specifications, contact OYSI directly through their customer service channels to discuss your specific requirements and application needs.