Nonylphenol (C15H24O) is a colorless to pale yellow solid or viscous liquid with a molecular weight of 220.35 g/mol. It has a melting point of 5-16 °C and a boiling point of 295-305 °C. Nonylphenol is utilized in various industries including chemical manufacturing, plastics, detergents, textiles, and agriculture. It finds applications as emulsifiers, surfactants, plastic additives, lubricants, textile processing, and agricultural products.