High purity N-Pentadecane, with the chemical formula C₁₅H₃₂, is a colorless, transparent liquid with low volatility. Its molecular structure consists of 15 carbon atoms connected in a single bond to form a straight chain, with a methyl (-CH₃) group connected at each end, forming a typical saturated hydrocarbon molecule. n-Pentadecane has a low melting point and usually becomes liquid at low temperatures, while its boiling point is relatively high, which allows it to maintain a stable liquid state within a certain temperature range. In addition, n-Pentadecane also has good chemical stability and is not easy to react chemically with other substances unless under extreme conditions (such as high temperature, high pressure or the presence of a catalyst).
Synthesis process
Petroleum fractionation method: Petroleum is an important source of alkane compounds in nature. Through the fractionation process of petroleum, different hydrocarbon compounds can be separated according to the difference in boiling points. As part of the petroleum fraction, n-Pentadecane can be extracted from petroleum through precise fractionation technology. This method has the advantages of abundant raw materials, mature technology and low cost, and is currently the main way to obtain n-Pentadecane in industry.
Fischer-Tropsch synthesis: Fischer-Tropsch synthesis is a chemical process that converts carbon monoxide and hydrogen into hydrocarbon compounds under the action of a catalyst. By adjusting the reaction conditions and the type of catalyst, the carbon chain length of the product can be controlled to obtain alkanes with different carbon numbers, including n-pentadecane. The Fischer-Tropsch synthesis has the advantages of a wide range of raw material sources (such as coal, natural gas, etc.) and a variety of product types, but the reaction conditions are relatively harsh and the product distribution is wide, requiring further separation and purification.
Uses
N-pentadecane, as a low-toxic and low-volatile solvent, is widely used in industrial fields such as paints, coatings, and inks. It can be used as a solvent or diluent to help adjust the viscosity and fluidity of the coating and improve the construction performance and film-forming quality of the coating. In addition, n-pentadecane has good lubricating properties and can be used as a lubricant or lubricating oil additive.
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