GHS precautionary statement
P373: DO NOT fight fire when fire reaches explosives
- P373
- Response
P373 says: “DO NOT fight fire when fire reaches explosives”. 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 P373
The GHS data recommends P373 for these hazard statements.
| Code | Statement | Hazard class and category | Signal word |
|---|---|---|---|
| H200 | Unstable Explosive Deleted | Explosives — Unstable Explosive | Danger |
| H201 | Explosive; mass explosion hazard Deleted | Explosives — Div 1.1 | Danger |
| H202 | Explosive; severe projection hazard Deleted | Explosives — Div 1.2 | Danger |
| H203 | Explosive; fire, blast or projection hazard Deleted | Explosives — Div 1.3 | Danger |
| H205 | May mass explode in fire Deleted | Explosives — Div 1.5 | Danger |
Chemicals using P373
No chemicals in our database list P373 in their primary classification yet.
P373 frequently asked questions
What does P373 mean?
P373 says: "DO NOT fight fire when fire reaches explosives". It is a response precautionary statement in the Response (P300 series).
Which hazards call for P373?
In the GHS data, P373 is recommended for hazard statements H200, H201, H202, H203, H205.
What type of statement is P373?
P373 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)