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P-phrases

P-phrases (precautionary phrases) indicate precautionary measures when working with a hazardous substance. These phrases are drafted according to the Globally Harmonised System of Classification and Labelling of Chemicals.

List of precautionary measures (P-phrases)

P100 phrases (general precautionary statements)

Describe general precautionary advice for the safe handling and use of hazardous substances.

  • P101: If medical advice is needed, have a product container or label at hand.
  • P102: Keep out of reach of children.
  • P103: Read the label before use.

P200 phrases (prevention precautionary statements)

Describe preventive measures to avoid exposure or minimize risks when handling hazardous substances.

  • P201: Obtain special instructions before use.
  • P202: Do not handle until all safety precautions have been read and understood.
  • 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.
  • P220: Keep/Store away from clothing/.../combustible materials.
  • P221: Take any precautions to avoid mixing with combustibles.
  • P222: Do not allow contact with air.
  • P223: Do not allow contact with water.
  • P230: Keep wetted 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 the container tightly closed.
  • P234: Keep only in original container/packaging.
  • P235: Keep cool.
  • P235+P410: Keep cool. Protect from sunlight.
  • P240: Ground and bond container and receiving equipment.
  • P241: Use explosion-proof electrical/ventilating/light/.../equipment.
  • P242: Use only non-sparking tools.
  • P243: Take precautionary measures to prevent static discharges.
  • P244: Keep valves and fittings free from grease and oil
  • P250: Do not subject to grinding/shock/.../friction.
  • P251: Pressurized container – Do not pierce or burn, even after use.
  • P260: Do not breathe dust/fume/gas/mist/vapors/spray.
  • P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
  • P262: Do not get in the eyes, on the skin, or clothing.
  • P263: Avoid contact during pregnancy and while nursing.
  • P264: Wash ... thoroughly after handling.
  • P270: Do not eat, drink, or smoke when using this product.
  • P271: Use only outdoors or in a well-ventilated area.
  • 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.
  • P281: Use personal protective equipment as required.
  • P282: Wear cold insulating gloves and either face shield or eye protection.
  • P283: Wear fire-resistant or flame-retardant clothing.
  • P284: Wear respiratory protection.
  • P285: In case of inadequate ventilation wear respiratory protection.

P300 phrases (response precautionary statement)

Describe the immediate response actions to take in case of exposure to or incidents involving hazardous substances.

  • 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+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+P350: IF ON SKIN: Gently wash with soap and water.
  • P302+P352: IF ON SKIN: Wash with soap and water.
  • 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+P312: IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
  • P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
  • P304+P341: IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
  • P305: IF IN EYES:
  • P305+P351+P338: IF IN EYES: Rinse continuously 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.
  • P307: IF exposed:
  • P307+P311: IF exposed: Call a POISON CENTER or doctor/physician.
  • 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.
  • P309: IF exposed or you feel unwell:
  • P309+P311: IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician.
  • 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.
  • P320: Specific treatment is urgent (see ... on this label).
  • P321: Specific treatment (see ... on this label).
  • P322: Specific measures (see ... on this label).
  • P330: Rinse mouth.
  • P331: Do NOT induce vomiting.
  • P332: If skin irritation occurs:
  • P332+P313: If skin irritation occurs: Get medical advice/attention.
  • P333: If skin irritation or a rash occurs:
  • P333+P313: If skin irritation or a rash occurs: Get medical advice/attention.
  • P334: Immerse in cool water [or wrap in wet bandages].
  • P335: Brush off loose particles from the skin.
  • P335+P334: Brush off loose particles from the skin. Immerse in cool water/wrap in wet bandages.
  • P336: Thaw frosted parts with lukewarm water. Do not rub affected areas.
  • P337: If eye irritation persists:
  • P337+P313: If eye irritation persists: Get medical advice/attention.
  • P338: Remove contact lenses if present and easy to do. Continue rinsing.
  • P340: Remove the victim to fresh air and keep at rest in a position comfortable for breathing.
  • P341: If breathing is difficult, remove the victim to fresh air and keep at rest in a position comfortable for breathing.
  • P342: If experiencing respiratory symptoms:
  • P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.
  • P350: Gently wash with soap and water.
  • P351: Rinse cautiously with water for several minutes.
  • P352: Wash with plenty of water.
  • P353: Rinse skin with water [or shower].
  • P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
  • P361: Remove/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+P376: In case of fire: Stop leak if safe to do so.
  • P370+P378: In case of fire: Use ... to extinguish.
  • P370+P380: In case of fire: Evacuate area.
  • P370+P380+P375: In case of fire: Evacuate the area. Fight fire remotely due to the risk of explosion.
  • P371: In case of major fire and large quantities:
  • P371+P380+P375: In case of major fire and large quantities: Evacuate the area. Fight fire remotely due to the risk of explosion.
  • P372: Explosion risk.
  • P373: DO NOT fight fire when the fire reaches explosives.
  • P374: Fight fire with normal precautions from a reasonable distance.
  • P375: Fight fire remotely due to the risk of explosion.
  • P376: Stop the leak if safe to do so.
  • P377: Leaking gas fire – do not extinguish unless the leak can be stopped safely.
  • P378: Use ... to extinguish.
  • P380: Evacuate area.
  • P381: In case of leakage, eliminate all ignition sources.
  • P391: Collect spillage.

P400 phrases (storage precautionary statements)

Describe proper storage conditions to maintain safety and stability of hazardous substances.

  • 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 the 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 corrosive 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 ºC/122 ºF.
  • P411: Store at temperatures not exceeding ... ºC/... ºF.
  • P411+P235: Store at temperatures not exceeding ... ºC/... ºF. Keep cool.
  • P412: Do not expose to temperatures exceeding 50 ºC/122 ºF.
  • P413: Store bulk masses greater than ... kg/... lbs at temperatures not exceeding ... °C/... °F.
  • P420: Store separately/away from other materials.
  • P422: Store contents under ...

P500 phrases (disposal precautionary statements)

Describe disposal considerations to ensure hazardous substances are discarded safely and in compliance with regulations.

  • P501: Dispose of contents/container to ...
  • P502: Refer to the manufacturer or supplier for information on recovery or recycling.