Short Description: Metal naphhthenates are salts of naphthenic acids. These are coordination complexes and have the formula of M2 or M3O6. The naphthenates are highly soluble in organic media. They have their applications in synthetic detergents, lubricants, corrosion inhibitors, wood preservatives, insecticides, oil drying agents etc. Industrially useful naphthenate includes aluminium, magnesium, calcium, barium, cobalt etc.