Notes
- This is a reference to the official wording, not a substitute for the safety data sheet for the specific product in your hand. Always work from the supplier SDS and your institution’s rules.
Reference
GHS precautionary statements (P codes)
Every GHS precautionary statement code with its official wording: the prevention, response, storage, and disposal advice printed on a reagent label.
| Code | Statement |
|---|---|
| P101 | If medical advice is needed, have product container or label at hand. |
| P102 | Keep out of reach of children. |
| P103 | Read carefully and follow all instructions. |
| P201 | Obtain special instructions before use. |
| P202 | Do not handle until all safety precautions have been read and understood. |
| P203 | Obtain, read and follow all safety instructions before use. |
| P210 | Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. |
| P211 | Do not spray on an open flame or other ignition source. |
| P212 | Avoid heating under confinement or reduction of the desensitized agent. |
| P220 | Keep away from clothing and other combustible materials. |
| P222 | Do not allow contact with air. |
| P223 | Do not allow contact with water. |
| P230 | Keep diluted with ... |
| P231 | Handle and store contents under inert gas/... |
| P231+P232 | Handle and store contents under inert gas/... Protect from moisture. |
| P232 | Protect from moisture. |
| P233 | Keep container tightly closed. |
| P234 | Keep only in original container. |
| P235 | Keep cool. |
| P236 | Keep only in original packaging; Division ... in the transport configuration. |
| P240 | Ground and bond container and receiving equipment. |
| P241 | Use explosion-proof electrical/ventilating/lighting/... equipment. |
| P242 | Use non-sparking tools. |
| P243 | Take action to prevent static discharges. |
| P244 | Keep valves and fittings free from oil and grease. |
| P250 | Do not subject to grinding/shock/friction/... |
| P251 | Do not pierce or burn, even after use. |
| P260 | Do not breathe dust/fume/gas/mist/vapours/spray. |
| P261 | Avoid breathing dust/fume/gas/mist/vapours/spray. |
| P262 | Do not get in eyes, on skin, or on clothing. |
| P263 | Avoid contact during pregnancy and while nursing. |
| P264 | Wash hands and ... thoroughly after handling. |
| P264+P265 | Wash hands and ... thoroughly after handling. Do not touch eyes. |
| P265 | Do not touch eyes. |
| P270 | Do not eat, drink or smoke when using this product. |
| P271 | Use only outdoors or with adequate ventilation. |
| P272 | Contaminated work clothing should not be allowed out of the workplace. |
| P273 | Avoid release to the environment. |
| P280 | Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
| P282 | Wear cold insulating gloves and either face shield or eye protection. |
| P283 | Wear fire resistant or flame-retardant clothing. |
| P284 | In case of inadequate ventilation wear respiratory protection. |
| P301 | IF SWALLOWED: |
| P301+P310 | IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
| P301+P312 | IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. |
| P301+P316 | IF SWALLOWED: Get emergency medical help immediately. |
| P301+P317 | IF SWALLOWED: Get medical help. |
| P301+P330+P331 | IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
| P302 | IF ON SKIN: |
| P302+P334 | IF ON SKIN: Immerse in cool water or wrap in wet bandages. |
| P302+P335+P334 | IF ON SKIN: Brush off loose particles from skin and immerse in cool water [or wrap in wet bandages]. |
| P302+P352 | IF ON SKIN: Wash with plenty of water/... |
| P302+P361+P354 | IF ON SKIN: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes. |
| P303 | IF ON SKIN (or hair): |
| P303+P361+P353 | IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water [or shower]. |
| P304 | IF INHALED: |
| P304+P340 | IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
| P305 | IF IN EYES: |
| P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| P305+P354+P338 | IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| P306 | IF ON CLOTHING: |
| P306+P360 | IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes. |
| P308 | IF exposed or concerned: |
| P308+P311 | IF exposed or concerned: Call a POISON CENTER or doctor/physician. |
| P308+P313 | IF exposed or concerned: Get medical advice/attention. |
| P308+P316 | IF exposed or concerned: Get emergency medical help immediately. |
| P310 | Immediately call a POISON CENTER or doctor/physician. |
| P311 | Call a POISON CENTER or doctor/physician. |
| P312 | Call a POISON CENTER or doctor/physician if you feel unwell. |
| P313 | Get medical advice/attention. |
| P314 | Get medical advice/attention if you feel unwell. |
| P315 | Get immediate medical advice/attention. |
| P316 | Get emergency medical help immediately. |
| P317 | Get medical help. |
| P318 | If exposed or concerned, get medical advice. |
| P319 | Get medical help if you feel unwell. |
| P320 | Specific treatment is urgent (see information on this label and safety data sheet). |
| P321 | Specific treatment (see information on this label and safety data sheet). |
| P322 | Specific treatment is urgent (see information on the safety data sheet). |
| P323 | Specific treatment (see information on the safety data sheet). |
| P330 | Rinse mouth. |
| P331 | Do NOT induce vomiting. |
| P332 | If skin irritation occurs: |
| P332+P313 | If skin irritation occurs: Get medical advice/attention. |
| P332+P317 | If skin irritation occurs: Get medical help. |
| P333 | If skin irritation or a rash occurs: |
| P333+P313 | If skin irritation or a rash occurs: Get medical advice/attention. |
| P333+P317 | If skin irritation or rash occurs: Get medical help. |
| P334 | Immerse in cool water [or wrap in wet bandages]. |
| P335 | Brush off loose particles from skin. |
| P336 | Thaw frosted parts with lukewarm water. Do not rub affected areas. |
| P336+P317 | Immediately thaw frosted parts with lukewarm water. Do not rub affected area. Get medical help. |
| P337 | If eye irritation persists: |
| P337+P313 | If eye irritation persists: Get medical advice/attention. |
| P337+P317 | If eye irritation persists: Get medical help. |
| P338 | Remove contact lenses if present and easy to do. Continue rinsing. |
| P340 | Remove person to fresh air and keep comfortable for breathing. |
| P342 | If experiencing respiratory symptoms: |
| P342+P311 | If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician. |
| P342+P316 | If experiencing respiratory symptoms: Get emergency medical help immediately. |
| P351 | Rinse cautiously with water for several minutes. |
| P352 | Wash with plenty of water/... |
| P353 | Rinse skin with water [or shower]. |
| P354 | Immediately rinse with water for several minutes. |
| P360 | Rinse immediately contaminated clothing and skin with plenty of water before removing clothes. |
| P361 | Take off immediately all contaminated clothing. |
| P361+P364 | Take off immediately all contaminated clothing and wash it before reuse. |
| P362 | Take off contaminated clothing. |
| P362+P364 | Take off contaminated clothing and wash it before reuse. |
| P363 | Wash contaminated clothing before reuse. |
| P364 | And wash it before reuse. |
| P370 | In case of fire: |
| P370+P372+P380+P373 | In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives. |
| P370+P376 | In case of fire: Stop leak if safe to do so. |
| P370+P378 | In case of fire: Use ... to extinguish. |
| P370+P380+P375 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. |
| P370+P380+P375+P378 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. Use ... to extinguish. |
| P371 | In case of major fire and large quantities: |
| P371+P380+P375 | In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. |
| P372 | Explosion risk. |
| P373 | DO NOT fight fire when fire reaches explosives. |
| P375 | Fight fire remotely due to the risk of explosion. |
| P376 | Stop leak if safe to do so. |
| P377 | Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
| P378 | Use ... to extinguish. |
| P380 | Evacuate area. |
| P381 | In case of leakage, eliminate all ignition sources. |
| P390 | Absorb spillage to prevent material damage. |
| P391 | Collect spillage. |
| P401 | Store in accordance with ... |
| P402 | Store in a dry place. |
| P402+P404 | Store in a dry place. Store in a closed container. |
| P403 | Store in a well-ventilated place. |
| P403+P233 | Store in a well-ventilated place. Keep container tightly closed. |
| P403+P235 | Store in a well-ventilated place. Keep cool. |
| P404 | Store in a closed container. |
| P405 | Store locked up. |
| P406 | Store in a corrosion resistant/... container with a resistant inner liner. |
| P407 | Maintain air gap between stacks or pallets. |
| P410 | Protect from sunlight. |
| P410+P403 | Protect from sunlight. Store in a well-ventilated place. |
| P410+P412 | Protect from sunlight. Do not expose to temperatures exceeding 50 degrees C/122 degrees F. |
| P411 | Store at temperatures not exceeding ... degrees C/... degrees F. |
| P412 | Do not expose to temperatures exceeding 50 degrees C/122 degrees F. |
| P413 | Store bulk masses greater than ... kg/... lbs at temperatures not exceeding ... degrees C/... degrees F. |
| P420 | Store separately. |
| P501 | Dispose of contents/container to ... |
| P502 | Refer to manufacturer or supplier for information on recovery or recycling. |
| P503 | Refer to manufacturer/supplier for information on disposal/recovery/recycling. |
Source
UN GHS Rev.9 / OSHA HCS 2012 (29 CFR 1910.1200 Appendix C) / EU CLP Regulation (EC) No 1272/2008 as amended. EUH codes from CLP Annex II in force from 17 October 2020. Combined P codes from UN GHS Annex 3.
Data revision 2026-06-21.
These values are imported from the same data the Aliquot calculators use, so this page cannot drift away from what the tools compute.
Calculators that use this data
- NFPA 704 fire diamond: Build the health / flammability / instability / special hazard diamond.