GHS precautionary statement
P284: [In case of inadequate ventilation] Wear respiratory protection
- P284
- Prevention
P284 says: “[In case of inadequate ventilation] Wear respiratory protection”. 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 P284
The GHS data recommends P284 for these hazard statements.
Chemicals using P284
11 chemicals in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
P284 frequently asked questions
What does P284 mean?
P284 says: "[In case of inadequate ventilation] Wear respiratory protection". It is a prevention precautionary statement in the Prevention (P200 series).
Which hazards call for P284?
In the GHS data, P284 is recommended for hazard statements H330, H334.
What type of statement is P284?
P284 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)