What does the exclamation mark symbol indicate on a chemical label?

The exclamation mark symbol on a chemical label is designated to indicate a variety of hazards related to less severe but still significant risks. Specifically, it can signify that a substance may cause irritation to skin or eyes, may lead to respiratory issues, or could have narcotic effects. This symbol serves as a warning to users to handle the chemical with caution, highlighting the need for appropriate protective measures and safety protocols when working with or being exposed to the substance.

By drawing attention to these potential health effects, the exclamation mark helps ensure that individuals are aware of and can mitigate risks associated with handling certain chemicals, fostering safe practices in various settings. Significantly, this symbol is part of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), which standardizes hazard communication across countries and sectors.