GHS precautionary statement
P234: Keep only in original container
- P234
- Prevention
P234 says: “Keep only in original container”. 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 P234
The GHS data recommends P234 for these hazard statements.
| Code | Statement | Hazard class and category | Signal word |
|---|---|---|---|
| H204 | Fire or projection hazard | Explosives — Category 2B Explosives — Category 2C | Warning |
| H209 | Explosive | Explosives — Category 1 Explosives — Category 2A | Danger |
| 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 |
| H290 | May be corrosive to metals | Corrosive to Metals — Category 1 | Warning |
Chemicals using P234
1 chemical in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
P234 frequently asked questions
What does P234 mean?
P234 says: "Keep only in original container". It is a prevention precautionary statement in the Prevention (P200 series).
Which hazards call for P234?
In the GHS data, P234 is recommended for hazard statements H204, H209, H240, H241, H242, H290.
What type of statement is P234?
P234 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)