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HS1230: Application of Surfactants in Commercial Crop Production for Water and Nutrient Management in Sandy Soil

Figure 4. Chemical structure of a cationic surfactant, dimethyldioctadecylammonium chloride (DDAC). It has one head and two tails. Its chemical formula is C38H80ClN. This surfactant has two 18-carbon hydrophobic tails and one positively charged nitrogen-hydrophilic head.

Credit: Adapted from http://www.chemspider.com.