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Cobalt(II) naphthenate is a mixture of cobalt(II) derivatives of naphthenic acids. These coordination complexes are widely used as oil drying agents for the autoxidative crosslinking of drying oils. Metal naphthenates are not well defined in conventional chemical sense that they are mixtures.
C 2414 (OTTO) Cobalt naphthenate, 6% Cas no 61789-51-3 - used in polyester resins and paint driers. C 2414 (OTTO) Cobalt naphthenate, 6% Cas no 61789-51-3 used as a curing accelerator, cross linker catalyst for unsaturated polyester resins.