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 propyl chain. With a molecular weight of 76.16 g/mol, this compound is also known as 1-propanethiol or n-propyl mercaptan. It serves as an important intermediate in organic synthesis and industrial applications.

Propane-1-thiol is a colorless liquid at room temperature with a characteristic strong, unpleasant sulfur-like odor typical of thiols. It has a boiling point of approximately 67°C and is poorly soluble in water but miscible with most organic solvents such as alcohols and ethers. The compound is volatile and has a density lower than water. Its reactivity is primarily due to the sulfhydryl group, making it susceptible to oxidation.

Propane-1-thiol is primarily used as a chemical intermediate in organic synthesis and pharmaceutical manufacturing. It serves as a building block for producing various sulfur-containing compounds and pharmaceuticals. The compound is also utilized in the synthesis of pesticides, rubber chemicals, and specialty chemicals. Additionally, it finds applications in research laboratories as a reagent for specific chemical reactions involving thiol chemistry and as a protecting group in organic synthesis.

Propane-1-thiol requires careful handling due to its strong odor and potential health effects. 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. Avoid skin and eye contact, and ensure no ignition sources are present due to its flammable nature. Keep containers tightly closed when not in use.

Propane-1-thiol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition points. Keep containers away from oxidizing agents and strong acids which may react with the thiol group. Store in original containers with proper labeling and ensure storage temperature remains below 25°C. Implement appropriate containment measures to prevent environmental release and maintain inventory control due to its strong odor.

Propane-1-thiol contact requires immediate action depending on exposure route. For skin contact, immediately remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets for specific guidance.

Propane-1-thiol disposal must comply with local, national, and international waste regulations. The compound should be treated as hazardous chemical waste and disposed of through licensed waste management companies. Do not discharge into drains, soil, or water bodies. Small quantities may be neutralized or oxidized under controlled conditions before disposal. Containers should be properly emptied and decontaminated before disposal. Always consult local environmental authorities for specific disposal requirements.

Propane-1-thiol is classified under ADR Class 3 (flammable liquids), Packing Group II, requiring compliance with dangerous goods transportation regulations. Use appropriate UN-specification packaging and ensure proper labeling with hazard diamonds and shipping documentation. Vehicles must carry appropriate emergency equipment and drivers need ADR certification. Avoid transport during extreme temperatures and ensure adequate ventilation. Follow specific loading, segregation, and routing requirements as per ADR regulations.

Propane-1-thiol is subject to standard chemical regulations including REACH registration requirements in Europe and CLP classification obligations. While not currently listed as a Substance of Very High Concern (SVHC), it must comply with general chemical safety regulations, workplace exposure limits, and environmental protection requirements. Manufacturers and importers must ensure proper registration, safety data sheet provision, and hazard communication. Local regulations may impose additional restrictions on use and handling.

Propane-1-thiol is available through OYSI, a specialized European distributor of technical chemicals serving industrial and research customers across Europe. OYSI provides reliable supply chains, technical support, and regulatory compliance assistance for chemical procurement. Contact OYSI directly to discuss your specific requirements, quantities, and delivery options. Their technical team can provide guidance on handling, storage, and application-specific considerations for propane-1-thiol in your industrial processes.