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If talking about solubility in water, convert diclofenac into its sodium salt. Solubility increases by ~ 2 orders of magnitude. If your solvent doesn't have to be water, use alcohol (ethanol is best) or propylene glycol.

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15y ago
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16y ago

Acidifying it into a salt, or freebaseing it with a base, depending on it's qualities, heat helps, and using a differant solvent such as alcohol or oil can help too.

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Q: What are some methods used to enhance the solubility of poorly soluble drugs?
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