GHS precautionary statement
P304: IF INHALED
- P304
- Response
P304 says: “IF INHALED”. It is a response statement. P300 series: what to do after a spill, exposure or fire, including first-aid steps and when to call a poison center or doctor.
About the response group
P300 series: what to do after a spill, exposure or fire, including first-aid steps and when to call a poison center or doctor. See all precautionary statements for the full list.
Hazards that call for P304
The GHS data we compile does not tie P304 to a specific hazard statement. Suppliers select it according to the product's classification and intended use.
Chemicals using P304
No chemicals in our database list P304 in their primary classification yet.
P304 frequently asked questions
What does P304 mean?
P304 says: "IF INHALED". It is a response precautionary statement in the Response (P300 series).
Which hazards call for P304?
The GHS data we compile does not link P304 to specific hazard statements. It is chosen by the supplier based on the product's classification and use.
What type of statement is P304?
P304 is in the Response (P300 series). P300 series: what to do after a spill, exposure or fire, including first-aid steps and when to call a poison center or doctor.
Precautionary statements are general recommendations. Follow the specific instructions on your product's label and safety data sheet.
https://pubchem.ncbi.nlm.nih.gov/ghs/ghscode_10.txt (UN GHS Revision 10, retrieved 2026-10-12)