Request a Safety Data Sheets here! As per the Hazard Communication Standard (HCS), revised in 2012, we as a chemical manufacturer, distributor, importer or exporter provide Safety Data Sheets (SDSs) (formerly MSDSs or Material Safety Data Sheets) for each hazardous chemical to downstream user to communicate information on this hazards. This brief provides guidance to help works who handle the chemicals to become familiar with the format and understand the contents of the SDSs.