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Is Stearic Acid Polar

On the polarity of stearic acid
Or ask: "Does stearic acid have polarity?"

For stearic acid, one end of its structure is a carboxyl group, and the oxygen atom in the carboxyl group has strong electronegativity, which causes the electron cloud to be biased, so that this end is partially negatively charged and has the sign of polarity. However, the long-chain alkyl part has similar electronegativity to the hydrocarbon atom, and the electron cloud is relatively evenly distributed, showing a non-polar state.

Looking at the whole, long-chain alkyl groups account for a large proportion, and its non-polar properties have a huge impact on molecular properties. Therefore, in general, although stearic acid has a polar part of carboxyl groups, its non-polar dominance of long-chain alkyl groups makes its polarity weaker and it is almost non-polar molecules.

is to discuss the polarity of stearic acid, when the characteristics of its structure are observed and the functions of each part are comprehensively weighed.