GHS precautionary statement
P273: Avoid release to the environment
- P273
- Prevention
P273 says: “Avoid release to the environment”. 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 P273
The GHS data recommends P273 for these hazard statements.
| Code | Statement | Hazard class and category | Signal word |
|---|---|---|---|
| H400 | Very toxic to aquatic life | Hazardous to the aquatic environment, acute hazard — Category 1 | Warning |
| H401 | Toxic to aquatic life | Hazardous to the aquatic environment, acute hazard — Category 2 | No signal word |
| H402 | Harmful to aquatic life | Hazardous to the aquatic environment, acute hazard — Category 3 | No signal word |
| H410 | Very toxic to aquatic life with long lasting effects | Hazardous to the aquatic environment, long-term hazard — Category 1 | Warning |
| H411 | Toxic to aquatic life with long lasting effects | Hazardous to the aquatic environment, long-term hazard — Category 2 | No signal word |
| H412 | Harmful to aquatic life with long lasting effects | Hazardous to the aquatic environment, long-term hazard — Category 3 | No signal word |
| H413 | May cause long lasting harmful effects to aquatic life | Hazardous to the aquatic environment, long-term hazard — Category 4 | No signal word |
Chemicals using P273
56 chemicals in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
P273 frequently asked questions
What does P273 mean?
P273 says: "Avoid release to the environment". It is a prevention precautionary statement in the Prevention (P200 series).
Which hazards call for P273?
In the GHS data, P273 is recommended for hazard statements H400, H401, H402, H410, H411, H412, H413.
What type of statement is P273?
P273 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)