Overview
1-Pentanethiol, also known as n-pentyl mercaptan, is an organic sulfur compound with a strong, unpleasant odor. It is a colorless to pale yellow liquid that is slightly soluble in water but miscible with most organic solvents. The compound is primarily used in chemical synthesis and as an intermediate in the production of various industrial and consumer products. 1-Pentanethiol is classified as a volatile organic compound (VOC) and is known for its reactivity, particularly with oxidizing agents. Its distinctive odor makes it useful as a warning agent in natural gas and other fuel systems. Despite its industrial utility, handling requires strict safety measures due to its toxicity and flammability.
Physical and Chemical Properties
1-Pentanethiol exhibits several key physical and chemical properties that define its behavior and applications. It has a molecular weight of 104.21 g/mol and a density of 0.842 g/cm³ at 20°C. The compound boils at 126-128°C and melts at -75.7°C, making it a liquid at room temperature. Chemically, 1-Pentanethiol is reactive with oxidizing agents, which can lead to the formation of hazardous byproducts. It is also flammable, with a flash point of 20°C, necessitating careful storage and handling. The compound's solubility in water is limited, but it mixes well with alcohols, ethers, and other organic solvents. Its strong odor is detectable at very low concentrations, which serves as a safety feature in industrial settings.
Main Applications
1-Pentanethiol is widely used in the chemical industry as an intermediate in the synthesis of more complex compounds. It serves as a building block for the production of pesticides, pharmaceuticals, and specialty chemicals. The compound's strong odor also makes it useful as a flavoring agent in certain food products, although in highly regulated quantities. In addition, 1-Pentanethiol is employed as a warning agent in natural gas and propane systems, where its distinctive smell helps detect leaks. It is also used in the production of rubber chemicals and as a catalyst in some polymerization processes. The versatility of 1-Pentanethiol in various industrial applications underscores its importance in chemical manufacturing.
Safety and Storage
Due to its toxicity and flammability, 1-Pentanethiol requires stringent safety measures during handling and storage. The compound can cause skin and eye irritation upon contact and is harmful if inhaled or ingested. Proper personal protective equipment (PPE), including gloves, goggles, and respirators, is essential when working with this chemical. Storage conditions must include a cool, well-ventilated area away from heat sources and open flames. Containers should be tightly sealed to prevent evaporation and potential exposure. In case of spills, immediate containment and cleanup are necessary to avoid environmental contamination. Emergency procedures should be in place, including access to eyewash stations and safety showers.
B2B Procurement Guide
When procuring 1-Pentanethiol, businesses should prioritize suppliers with a proven track record of quality and safety compliance. Key considerations include verifying the compound's purity, typically specified as 98% or higher, and ensuring proper packaging to prevent leaks or contamination. Price negotiations should account for bulk purchase discounts, with reference prices ranging approximately $50-$100 per kilogram. It is also advisable to assess the supplier's logistics capabilities, including safe transportation and storage solutions. Procurement contracts should include clauses for quality assurance and regulatory compliance, particularly for international shipments.
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