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[Chemical Knowledge]：Mining the difference between diisooctyl ester and di-n-octyl ester

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Diisooctyl ester and di-n-octyl ester are both octanoate compounds, which are slightly different in chemical structure, so they will behave differently in some applications. The molecular formula of the diisooctyl ester is C10H20O2, the structural formula is CH3CH2CH(CH3)CH2COOCH(CH3)CH2CH(CH3)COOCH3, and the molecular formula of the di-n-octyl ester is C10H20O2, the structural formula is CH3(CH2)4COO(CH2)4CH3.

First from the chemical structure, the main difference between diisooctyl ester and di-n-octyl ester is that they are prepared by the reaction of isooctanol and n-octanol, respectively, with octanoic acid. The alcohol group of diisooctyl esters is isooctanol, while the alcohol group of di-n-octyl esters is n-octanol, which is the origin of their name. Thus, the diisooctyl ester and the di-n-octyl ester may differ in certain properties. There are also some differences between diisooctyl ester and di-n-octyl ester in the physical properties of

. For example, in terms of density, the density of diisooctyl ester is slightly lower than that of di-n-octyl ester; in terms of viscosity, the viscosity of diisooctyl ester is also slightly lower than that of di-n-octyl ester. These small differences may have an impact on their use in industrial production and application.

In addition, diisooctyl ester and di-n-octyl ester are also different in the field of application. Diisooctyl ester is commonly used in printing ink, coating, adhesive and other fields, because of its stable performance, low volatility and good weather resistance, so it is widely used in these fields. The di-n-octyl ester is often used as a solvent and thinner, and is also commonly used in coatings, inks and other products. Because di-n-octyl ester is volatile and harmful to human health, it is necessary to pay attention to safety issues during use.

In general, there are some differences between di-and di-n-octyl esters in chemical structure, physical properties and applications. Distinguishing the difference between them is essential for the correct selection and use of these two substances. Therefore, we need to deeply understand their characteristics and make reasonable choices according to needs to ensure the safety and stability of the production and use process.

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