Home Cosmetic Science Talk Formulating zinc citrate solubility

  • zinc citrate solubility

    Posted by bubblefab on June 13, 2018 at 1:17 am

    Hiya. Experimenting with adding zinc citrate into a mouthwash formulation. Google tells me that 2.6 grams of zinc citrate are soluble in one litre of water at 25ºC. But I’m ending up with a lot of undissolved solid even with a lot more water. Tried adding citric acid which helps but not sure if this is a desirable reaction for my purpose. Anyone have any ideas? fyi I’m very much a beginner here!!

    bubblefab replied 5 years, 9 months ago 2 Members · 3 Replies
  • 3 Replies
  • belassi

    Member
    June 13, 2018 at 3:37 am

    Your problem is that you have zinc citrate and you need zinc citrate trihydrate.

  • bubblefab

    Member
    June 13, 2018 at 8:09 am

    Thank you!

  • bubblefab

    Member
    June 14, 2018 at 3:45 am

    @Belassi Looking at suppliers and it seems that some use the terms zinc citrate and zinc citrate trihydrate interchangeably with varying formulas. What would be the best way to specify the compound i need? Is it a fairly uncommon product?

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