Profile: Thomas Swan & Co. Ltd. manufactures speciality chemicals. We manufacture biocides for use in antiseptic, disinfectant & preservative formulations for a variety of household, medical & industrial products. Our product chloroxylenols- PCMX is a widely used biocide active against bacterial and fungal growth in a wide range of applications. The product is a white crystalline solid and can easily be formulated into soaps, detergents, antiseptics, disinfectants and many other products. Para chloro meta xylenol (PCMX) is an exceptionally broad spectrum bactericide & preservative with proven use in controlling bacteria, mildew & fungal growth in a wide range of applications.