P 1685 (OTTO) Phenylmercury acetate, 99% Cas 62-38-4 - used against antifungal activity in agriculture and in leather processing and has known to work well. P 1685 (OTTO) Phenylmercury acetate, 99% Cas 62-38-4 - used as an additive in eye-drops and paint in order to preserve them, as a disinfectant, and as a catalyst in polyurethane systems. P 1685 (OTTO) Phenylmercury acetate, 99% Cas 62-38-4 - used in contraceptive gels and foams.