Paracetamol (CAS 103-90-2): storage and disposal

Start at the shelf with a quick look at the outer packs: are the dates legible and does the stock count match the record? Tablets suit a dry, labelled store, and each delivery should be dated on arrival. Keep reagent grade powder in a lab bottle apart from dispensing stock so that nobody mistakes one for the other. Infusion bags sit with other fluids, not with reagent bottles. Food grade supplies stay on a separate shelf from laboratory stock. A pharmacy with a large quantity of short-dated tablets should separate it clearly, so the unwanted batch is not dispensed by accident while waiting for collection.

Tablets show age by their packaging first. Blister foil that has lifted or split, crumbling or chipped tablets, a powdery residue in the pack and a change of colour are all reasons to set a pack aside. Reagent powder can clump if its cap has not been closed properly, and a faded label on a laboratory bottle matters as much as the contents. Infusion bags should be checked for leaks, cloudiness and damaged ports. Beyond those physical signs, this substance gives few chemical clues, so a pack with an unreadable date or a missing record is treated as expired rather than guessed at.

By specialist collection only. It never goes down the drain or into general waste. It is normally packed in a non-regulated or low hazard laboratory pack with compatible chemicals.

Before asking for a collection, note what each container actually holds: tablets in blister packs, loose reagent powder, infusion bags, and how many of each. Record the setting too, because the waste code differs between a university lab, a human healthcare site and a veterinary practice. Bulk unwanted stock must not go in the household bin, down a drain or out with the ordinary rubbish, and nobody should crush or dissolve it to make it easier to move. It is classified as hazardous waste here, so it leaves under specialist collection with blister packs kept intact and reagent bottles upright in their own sealed containers.

Usually held as: tablets, infusion.

Part-used bottles and full containers are both fine. Tell us the size and how many, and an estimate is enough for a first price.