GHS hazard class · Health hazards
Aspiration hazard
Aspiration hazard is the danger of a liquid or solid entering the trachea and lower respiratory system directly through the mouth or nose, or indirectly through vomiting.
What it means
Aspiration can cause serious acute effects such as chemical pneumonia, lung damage and, in the worst cases, death. It is a concern mainly for low-viscosity liquids such as some hydrocarbons.
What to do
If the product is swallowed, do not induce vomiting. Call a poison center or doctor immediately and keep the person at rest, as set out in the SDS first-aid section.
This is general guidance for the class. Your product's safety data sheet takes precedence.
Categories and hazard statements
Chemicals with aspiration hazard hazard codes
Chemicals in our database whose primary classification includes any current Aspiration hazard code (H304, H305).
5 chemicals in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
Aspiration hazard: frequently asked questions
What is the GHS hazard class "Aspiration hazard"?
Aspiration hazard is the danger of a liquid or solid entering the trachea and lower respiratory system directly through the mouth or nose, or indirectly through vomiting.
Which hazard statements belong to Aspiration hazard?
The current hazard statements for this class are H304, H305.
Which pictograms and signal words are used for Aspiration hazard?
Pictograms: GHS08 (Health Hazard). Signal words: Danger or Warning, depending on the category.
What should I do when working with a aspiration hazard hazard?
If the product is swallowed, do not induce vomiting. Call a poison center or doctor immediately and keep the person at rest, as set out in the SDS first-aid section.
https://pubchem.ncbi.nlm.nih.gov/ghs/ghscode_10.txt (UN GHS Revision 10, retrieved 2026-10-12)