Cimbar Performance Minerals has appointed Azalea Color distributor of Cimbar’s Organotrol organoclays.

Chemcentral and Holland Chemical International NV (HCI) announced plans to launch a new e-commerce business, Efodia.

Cabot has appointed Matteson-Ridolfi distributor for Cab-O-Sil fumed silica and specialty grades of carbon black.

Netzsch began construction of a $2-million Grinding Laboratory in Exton.

Minerals Technologies said its Specialty Minerals subsidiary will invest more than $10 million to expand production facilities for ground calcium carbonate.

Hitox Corp. of America announced a corporate name change to TOR Minerals International.

Williams plc announced an agreement to sell its North American Paint group of four coatings-manufacturing companies in a management-buyout transaction worth $453 million.

Ciba Specialty Chemicals said its Additives Division has appointed Burks and M.F. Cachat sales agents for Ciba’s Polymer Specialties line of acrylic resins and additives.

Chemcentral said it completed a $1.7-million expansion program.

ChemPoint.com has launched an e-commerce Web site for the distribution of chemicals.