Difficulty Dissolving CosmoWhite™ (1-Methylhydantoin-2-Imide)
Question
I purchased CosmoWhite™ (1-Methylhydantoin-2-Imide) from the link [url=http://www.myskinrecipes.com/shop/whitening-%E0%B8%A5%E0%B8%B0%E0%B8%A5%E0%B8%B2%E0%B8%A2%E0%B9%83%E0%B8%99%E0%B9%89%E0%B8%B3/6188-1-methylhydantoin-2-imide-creatinine.html:2kvh111i]CosmoWhite™ (1-Methylhydantoin-2-Imide)[/url:2kvh111i]. The information states it is water-soluble, but when I tried to dissolve it, it did not dissolve. I stirred for a considerable time, but it still did not dissolve. When I stopped stirring, a precipitate settled at the bottom of the beaker. Are there any additional methods for dissolving it?
Answer
Dissolving CosmoWhite™ (1-Methylhydantoin-2-Imide)
CosmoWhite™ (1-Methylhydantoin-2-Imide) is listed as water-soluble. However, some ingredients, while soluble, may require specific conditions to fully dissolve, especially if the concentration is high or the water temperature is low.
If you are having trouble dissolving CosmoWhite™ by simple stirring at room temperature, try heating the water phase gently while stirring. Heating often increases the solubility of ingredients and can help achieve a clear solution.
Ensure you are using CosmoWhite™ within the recommended usage rate of 0.1-1.5%. Using a concentration higher than the maximum recommended rate can also lead to incomplete dissolution or precipitation.
- Recommended Method: Heat the water phase gently (e.g., to 40-60°C) and stir until the CosmoWhite™ is completely dissolved before adding other ingredients.
- Usage Rate: 0.1-1.5%
By gently heating the water, you should be able to achieve full dissolution of CosmoWhite™.
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