Things To Remember When Storing Organic Peroxides

There are a few important things to remember when storing organic peroxides. Whilst this list is not exhaustive, it should provide you with guidelines to effectively store your organic peroxides.

  1. Before signing for and accepting any delivery of organic peroxide, inspect all the containers to ensure that they are undamaged and properly labelled; you should reject any defective or damaged containers.
  2. Wherever possible, store organic peroxide in containers that the manufacturer/ supplier recommends. Repackaging can be hazardous, in fact downright dangerous, especially if the container isn’t “clean” and contains any contaminants or if the container is made of an incompatible material.
  3. Make sure containers are suitably labelled. For organic peroxides requiring temperature control, the recommended storage temperature range should be clearly marked on the container. It is also a good practice to mark the date that the container was received and the date it was first opened. Remember to take account of the self accelerating decomposition requirements (SADT).
  4. Protect containers against the risk of impact or other physical damage when they are being delivered to site, stored, transferred, used or disposed of. Do not use combustible pallets such as wood, for storing organic peroxide containers on.
  5. When not in use keep containers tightly closed to avoid contamination, except when the manufacturer’s/supplier’s instructions state otherwise.
  6. Storing open or partly open containers of peroxides diluted with solvents including water can lead to evaporation and this can lead to the exposure of the more hazardous dry peroxide.
  7. Some liquid organic peroxides such as methyl ethyl ketone peroxide gradually decompose giving off gas. These types of peroxides are shipped in containers fitted with venting caps; you must not replace these caps unless it is on a direct like for like basis. Venting caps relieve the normal build-up of pressure that would otherwise occur if the product were stored in an un-vented container. Check the venting caps on a regular basis to ensure that they are working properly. Vented containers should always be stored upright and should never be stacked on top of each other.

For further information on the safe handling of organic peroxides in the workplace, why not visit our information and advice centre which includes spill response tips, separation distances, safe working practise advice and more. For official guidance, please visit the Health and Safety Executive.

 

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