High Quality 1-Dodecanethiol Cas 112-55-0 is a chemical product with a high - level of quality and an attractive price. The CAS number 112 - 55 - 0 uniquely identifies this compound, which belongs to the class of thiols. Chemically, 1 - Dodecanethiol has the molecular formula C₁₂H₂₆S. It has a molecular weight of approximately 202.4 g/mol. The appearance of this product is typically a colorless to pale - yellow liquid. It has a characteristic odor associated with thiols. The boiling point of 1 - Dodecanethiol is around 266 - 283 °C, and its melting point is approximately - 7.5 °C. It is insoluble in water but soluble in organic solvents such as ethanol, ether, and benzene.
1 - Dodecanethiol has a wide range of applications across different industries. In the field of nanotechnology, it is often used as a capping agent for nanoparticles. By binding to the surface of nanoparticles, it can control their growth, size, and shape, which are crucial factors in determining the properties and performance of the nanoparticles for applications such as sensors and electronic devices. In the rubber industry, 1 - Dodecanethiol can act as a chain - transfer agent. It helps to regulate the molecular weight of the rubber polymers during the polymerization process, improving the processability and mechanical properties of the final rubber products. Additionally, in the field of organic synthesis, it can serve as a reagent for introducing the dodecylthio group into organic molecules, which is useful in the preparation of various organic compounds with specific functions.
When using High Quality 1 - Dodecanethiol, proper safety precautions should be taken. Wear appropriate personal protective equipment (PPE), including gloves, safety glasses, and a lab coat. Ensure that the working area is well - ventilated to prevent the accumulation of vapors. For applications in nanotechnology, first, prepare the nanoparticle precursor solution. Then, add an appropriate amount of 1 - Dodecanethiol under controlled conditions such as temperature and stirring speed. The ratio of 1 - Dodecanethiol to the nanoparticle precursor needs to be optimized according to the desired size and properties of the nanoparticles. In the rubber industry, it should be added at the appropriate stage of the polymerization reaction. Usually, it is mixed with the monomer and other additives in the reactor. The amount used depends on the type of rubber and the required molecular weight of the final product. In organic synthesis, follow the standard procedures of chemical reactions, including proper temperature control, reaction time, and the use of suitable solvents.
Case 1: Nanoparticle Synthesis in Sensor Applications
A research group was developing silver nanoparticles for use in gas sensors. They used 1 - Dodecanethiol as a capping agent. By carefully controlling the amount of 1 - Dodecanethiol added during the synthesis process, they were able to synthesize silver nanoparticles with a uniform size of about 10 - 15 nm. These nanoparticles showed excellent sensitivity and selectivity towards certain gases, such as hydrogen sulfide. The capping effect of 1 - Dodecanethiol not only controlled the nanoparticle size but also improved the stability of the nanoparticles over time, which is essential for the long - term performance of the gas sensors.
Case 2: Rubber Production
A rubber manufacturing company was trying to improve the processability of a particular type of rubber. They added 1 - Dodecanethiol as a chain - transfer agent during the polymerization process. After optimization of the amount of 1 - Dodecanethiol, they found that the rubber had a more consistent molecular weight distribution. This led to improved extrusion and molding properties during the rubber processing stage. The final rubber products also had better mechanical properties, such as increased tensile strength and elongation at break.
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