Possible article:
Dichloro-(3-chloropropyl)-methylsilane: A Key Intermediate for Organosilicon Synthesis
Dichloro-(3-chloropropyl)-methylsilane (DCPMS) is a reactive and versatile organosilicon compound that has found wide applications in the synthesis of various functionalized silanes, siloxanes, and polymers. As a bifunctional reagent, DCPMS can react with nucleophiles, electrophiles, and radicals to form new carbon-silicon bonds and to modify the properties of organic and inorganic substrates. This article introduces the properties, uses, and synthesis of DCPMS, as well as its potential in different fields of chemistry and materials science.
Properties of DCPMS
DCPMS has the chemical formula C5H11Cl3Si and the molecular weight of 219.6 g/mol. It is a colorless to yellowish liquid with a pungent odor and a boiling point of 146-148°C at normal pressure. DCPMS is soluble in most organic solvents, such as chloroform, benzene, toluene, and ether, but insoluble in water. It is highly reactive towards nucleophiles, such as amines, alcohols, and thiols, and towards electrophiles, such as alkyl halides, acyl halides, and isocyanates. DCPMS can also undergo radical reactions, such as hydrosilylation, polymerization, and crosslinking, under appropriate conditions. The reactivity and selectivity of DCPMS depend on the nature of the substituents on the silicon and carbon atoms, as well as the reaction conditions and the presence of catalysts or additives.
Uses of DCPMS
DCPMS is a key intermediate for the synthesis of many functionalized silanes, which are widely used in various fields of chemistry and materials science. For example, DCPMS can be reacted with amines or thiols to form silane coupling agents, which can improve the adhesion, wetting, and dispersibility of organic and inorganic substrates, such as metals, polymers, glass, and ceramics. Silane coupling agents can also enhance the mechanical, thermal, and chemical properties of composite materials, such as fibers, fillers, and coatings. DCPMS can also be used to prepare siloxanes, which are important precursors for silicone elastomers, resins, and fluids. Siloxanes can also be functionalized with various groups, such as hydroxyl, amino, epoxy, and vinyl, to impart specific properties, such as biocompatibility, adhesion, and cure speed. DCPMS can also be employed in radical reactions, such as hydrosilylation, to form C-Si bonds and to modify the reactivity and stability of organic compounds.
Synthesis of DCPMS
DCPMS can be synthesized by several methods, depending on the starting materials and the desired purity and yield. One common route is the reaction of chloromethylsilane with allyl chloride in the presence of a Lewis acid catalyst, such as aluminum chloride or zinc chloride. The resulting dichloroallylmethylsilane is then chlorinated with thionyl chloride or phosphorus pentachloride to yield DCPMS. Another route is the reaction of chloropropyldichlorosilane with formaldehyde in the presence of hydrochloric acid, which forms DCPMS and hydrogen chloride as byproducts. The crude DCPMS can be purified by distillation, chromatography, or crystallization. INNO SPECIALTY CHEMICALS is a leading manufacturer and supplier of DCPMS from China, which offers high-quality products and services to customers worldwide.
Conclusion
DCPMS is a valuable and versatile reagent for organosilicon synthesis, which can enable the formation of new carbon-silicon bonds and the modification of various substrates. DCPMS has found applications in silane coupling agents, siloxanes, and radical reactions, among others, and has the potential to contribute to the development of new materials and technologies. The synthesis of DCPMS requires careful selection of the starting materials, catalysts, and reaction conditions, as well as the purification and characterization of the products. INNO SPECIALTY CHEMICALS is a reliable source of DCPMS and other organosilicon compounds, which can provide customized solutions and technical support to meet the diverse needs of customers.
Location：