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Recipe of the Week – Week 24: Sodium Thiosulphate

Continuing our new series of chemical recipes, we bring you week 24 – sodium thiosulphate (Na2S2O3)

Remember that when preparing any of our recipes, you should:

  • Always wear appropriate PPE including eye protection and gloves.
  • Always add acid to water (never water to acid).
  • Use a fume cupboard.
  • Always carry out a risk assessment when using any chemicals.
  • Follow all recommended safety procedures and adhere to the label instructions, hazard warnings and local legislations.

What is sodium thiosulphate?

Sodium thiosulphate is an inorganic sodium salt composed of sodium and thiosulfate ions in a 2:1 ratio. It has a role as an antidote to cyanide poisoning, a nephroprotective agent and an antifungal drug. It contains a thiosulfate(2-).*

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Scan the QR codes for classroom experiments to follow with your sodium thiosulphate.

 

*https://pubchem.ncbi.nlm.nih.gov/compound/Sodium-thiosulfate