GHS precautionary statement
P235: Keep cool
- P235
- Prevention
P235 says: “Keep cool”. It is a prevention statement. P200 series: actions to take before and during use to prevent or minimise harm, such as avoiding ignition sources, using ventilation and wearing protective equipment.
About the prevention group
P200 series: actions to take before and during use to prevent or minimise harm, such as avoiding ignition sources, using ventilation and wearing protective equipment. See all precautionary statements for the full list.
Hazards that call for P235
The GHS data recommends P235 for these hazard statements.
| Code | Statement | Hazard class and category | Signal word |
|---|---|---|---|
| H240 | Heating may cause an explosion | Self-reactive substances and mixtures; Organic peroxides — Type A | Danger |
| H241 | Heating may cause a fire or explosion | Self-reactive substances and mixtures; Organic peroxides — Type B | Danger |
| H242 | Heating may cause a fire | Self-reactive substances and mixtures; Organic peroxides — Type C, D Self-reactive substances and mixtures; Organic peroxides — Type E, F | Danger |
| H251 | Self-heating; may catch fire | Self-heating substances and mixtures — Category 1 | Danger |
| H252 | Self-heating in large quantities; may catch fire | Self-heating substances and mixtures — Category 2 | Warning |
Chemicals using P235
No chemicals in our database list P235 in their primary classification yet.
P235 frequently asked questions
What does P235 mean?
P235 says: "Keep cool". It is a prevention precautionary statement in the Prevention (P200 series).
Which hazards call for P235?
In the GHS data, P235 is recommended for hazard statements H240, H241, H242, H251, H252.
What type of statement is P235?
P235 is in the Prevention (P200 series). P200 series: actions to take before and during use to prevent or minimise harm, such as avoiding ignition sources, using ventilation and wearing protective equipment.
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)