GHS hazard class · Environmental hazards
Hazardous to the aquatic environment, acute hazard
Acute aquatic hazard describes harm to aquatic organisms such as fish, crustaceans and algae from short-term exposure to a substance.
What it means
A release into drains, streams, lakes or soil that reaches water can quickly harm aquatic life.
What to do
Avoid release to the environment, collect spillage, keep out of drains and waterways, and dispose of the contents and container through an approved waste disposal plant.
This is general guidance for the class. Your product's safety data sheet takes precedence.
Categories and hazard statements
Chemicals with hazardous to the aquatic environment, acute hazard hazard codes
Chemicals in our database whose primary classification includes any current Hazardous to the aquatic environment, acute hazard code (H400, H401, H402).
27 chemicals in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
Hazardous to the aquatic environment, acute hazard: frequently asked questions
What is the GHS hazard class "Hazardous to the aquatic environment, acute hazard"?
Acute aquatic hazard describes harm to aquatic organisms such as fish, crustaceans and algae from short-term exposure to a substance.
Which hazard statements belong to Hazardous to the aquatic environment, acute hazard?
The current hazard statements for this class are H400, H401, H402.
Which pictograms and signal words are used for Hazardous to the aquatic environment, acute hazard?
Pictograms: GHS09 (Environment). Signal word: Warning, depending on the category.
What should I do when working with a hazardous to the aquatic environment, acute hazard hazard?
Avoid release to the environment, collect spillage, keep out of drains and waterways, and dispose of the contents and container through an approved waste disposal plant.
https://pubchem.ncbi.nlm.nih.gov/ghs/ghscode_10.txt (UN GHS Revision 10, retrieved 2026-10-12)