Overview
Toluenethiol, also known as methylbenzenethiol, is an organosulfur compound characterized by the presence of a thiol (-SH) group attached to a toluene ring. It is a colorless to pale yellow liquid with a strong, unpleasant odor reminiscent of rotten eggs. The compound is primarily used in organic synthesis and as a precursor for other sulfur-containing chemicals. Due to its reactive thiol group, toluenethiol is highly versatile in chemical reactions, making it valuable in pharmaceuticals, agrochemicals, and specialty chemicals. Its strong odor and toxicity necessitate careful handling and storage.
Physical and Chemical Properties
Toluenethiol has a molecular weight of 124.20 g/mol and a density of 1.05 g/cm³. It is a volatile liquid with a boiling point of 195°C and a melting point of -30°C. The compound is soluble in most organic solvents but insoluble in water, which limits its environmental mobility. The thiol group in toluenethiol is highly reactive, participating in oxidation, alkylation, and other chemical reactions. This reactivity is exploited in various industrial processes. However, it also makes the compound flammable and a potential hazard if not handled properly.
Main Applications
Toluenethiol is widely used in organic synthesis, particularly in the production of sulfur-containing compounds. It serves as a building block for pharmaceuticals, agrochemicals, and dyes. Its ability to form stable bonds with metals makes it useful in catalysis and material science. In the pharmaceutical industry, toluenethiol is employed in the synthesis of certain drugs and intermediates. It is also used in the production of rubber additives and as a flavoring agent in trace amounts, although its strong odor limits this application.
Safety and Storage
Toluenethiol is toxic if inhaled or ingested and can cause severe skin and eye irritation. Proper personal protective equipment (PPE), including gloves and goggles, should be worn when handling this chemical. It is also highly flammable, requiring storage away from open flames and oxidizers. The compound should be stored in a cool, dry, well-ventilated area in tightly sealed containers. Spills should be cleaned up immediately using appropriate absorbent materials, and contaminated areas should be ventilated thoroughly to avoid inhalation risks.
B2B Procurement Guide
When procuring toluenethiol, it is essential to verify the CAS number (100-53-8) and purity specifications to ensure product quality. Reputable suppliers should provide material safety data sheets (MSDS) and comply with relevant safety regulations. Prices typically range from $50 to $100 per kilogram, depending on purity and supplier. Bulk purchases may offer cost savings, but storage capacity and safety measures must be considered. Always confirm the supplier's ability to meet your volume and delivery requirements.
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