Overview
1,4-Butanedithiol is an organic compound containing two thiol (-SH) functional groups. It is primarily used in industrial applications, particularly in polymer chemistry and organic synthesis. The compound's reactivity makes it valuable for creating crosslinked polymers and as a building block for more complex molecules. Its strong odor, typical of thiols, requires careful handling in laboratory and industrial settings. Despite its niche applications, 1,4-butanedithiol plays a significant role in specialized chemical processes, particularly where sulfur-containing compounds are needed.
Physical and Chemical Properties
1,4-Butanedithiol is a colorless to pale yellow liquid with a characteristic foul odor. It has a molecular weight of 122.25 g/mol and a density of approximately 1.04 g/cm³. The compound is soluble in common organic solvents but has limited solubility in water. The thiol groups in 1,4-butanedithiol make it highly reactive, particularly in oxidation reactions and as a nucleophile in organic synthesis. Its boiling point ranges between 200-205°C, and it should be handled with care due to its potential to release toxic fumes when heated.
Main Applications
The primary use of 1,4-butanedithiol is in polymer chemistry, where it serves as a crosslinking agent for rubbers and other elastomers. Its ability to form disulfide bridges makes it valuable in creating durable polymer networks. In organic synthesis, it's used as a building block for more complex sulfur-containing compounds. The compound also finds application in the production of certain adhesives and sealants where sulfur-based curing is required. Some specialized applications include use in electrochemical systems and as a ligand in coordination chemistry.
Safety and Storage
1,4-Butanedithiol requires careful handling due to its toxicity and strong odor. Proper personal protective equipment including gloves, goggles, and respiratory protection should be used when working with this compound. Storage should be in tightly sealed containers in a cool, well-ventilated area away from oxidizers and heat sources. The compound is flammable and should be kept away from ignition sources. Spills should be contained immediately using appropriate absorbent materials.
B2B Procurement Guide
When procuring 1,4-butanedithiol commercially, buyers should verify the CAS number (1191-08-8) and request certificates of analysis to confirm purity levels. Technical grade is typically adequate for industrial applications, while higher purity may be required for research purposes. Consider minimum order quantities and lead times when sourcing, as this is a specialty chemical. Evaluate suppliers based on their ability to provide proper documentation including safety data sheets (SDS) and their track record in handling and shipping hazardous materials.
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