👉 Naphthalidine is a chemical compound that is used in several industries, including pharmaceuticals and cosmetics. It is also known as 2-methyl-4-(1-propanediyl)-1,3-diene-1-carboxylic acid or 1-(2-methylpropoxy)ethanol. Naphthalidine can be synthesized from n-butane by reacting with a base to form anhydrous n-butylamine and water. It is used as a color
