GHS precautionary statement
P321: Specific treatment (see ... on this label)
- P321
- Response
P321 says: “Specific treatment (see ... on this label)”. 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.
The dots (...) mark a blank that the supplier fills in with specific information, such as the equipment, material or temperature that applies to the product.
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 P321
The GHS data recommends P321 for these hazard statements.
| Code | Statement | Hazard class and category | Signal word |
|---|---|---|---|
| H300 | Fatal if swallowed | Acute toxicity, oral — Category 1, 2 | Danger |
| H301 | Toxic if swallowed | Acute toxicity, oral — Category 3 | Danger |
| H310 | Fatal in contact with skin | Acute toxicity, dermal — Category 1, 2 | Danger |
| H311 | Toxic in contact with skin | Acute toxicity, dermal — Category 3 | Danger |
| H312 | Harmful in contact with skin | Acute toxicity, dermal — Category 4 | Warning |
| H314 | Causes severe skin burns and eye damage | Skin corrosion/irritation — Category 1, 1A, 1B, 1C | Danger |
| H315 | Causes skin irritation | Skin corrosion/irritation — Category 2 | Warning |
| H317 | May cause an allergic skin reaction | Sensitization, Skin — Category 1, 1A, 1B | Warning |
| H331 | Toxic if inhaled | Acute toxicity, inhalation — Category 3 | Danger |
| H370 | Causes damage to organs | Specific target organ toxicity, single exposure — Category 1 | Danger |
Chemicals using P321
69 chemicals in our database (showing the first 60 alphabetically). Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
P321 frequently asked questions
What does P321 mean?
P321 says: "Specific treatment (see ... on this label)". It is a response precautionary statement in the Response (P300 series).
Which hazards call for P321?
In the GHS data, P321 is recommended for hazard statements H300, H301, H310, H311, H312, H314, H315, H317, H331, H370.
What type of statement is P321?
P321 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)