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I purchased a solid dye or compound, but instead of looking like a powder, it is caked on the sides of the vial. Is it supposed to look like that?

Many of our solid compounds are packaged by lyophilization, in which case they usually do not appear as fluffy powders, but form a film or coating on the sides of the vial. Simply add the appropriate volume of the recommended solvent to the vial to make the desired concentration stock solution, and swirl or gently vortex to mix. Make sure the solvent comes in contact with the inside walls of the vial to fully recover the product.

Category: Product shelf life, solubility, shipping and storage, and stability

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