Hazardous Chemical Information System (HCIS) is an online knowledge service, monitored and updated (but not directly managed) by Safe Work Australia, providing all relevant regulatory information regarding hazardous chemicals (hazchems) to familiarise audience with the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), the European Chemicals Agency (ECHA), Workplace Exposure Standards (WES), or the National Industrial Chemicals Notification and Assessment Scheme (NICNAS).

While HCIS exists to serve as a source of guidance, Australian manufacturers, suppliers, and importers still bear the sole responsibility of determining the correct classification of their hazchems regardless of the info (or lack thereof) provided in the HCIS.