Non-aqueous-miscible

Non-aqueous-miscible describes the property of two or more substances that are capable of mixing with each other to form a homogeneous solution in the absence of water (an aqueous solution). This means the substances can dissolve into one another in a non-water based environment at a given temperature and pressure. The degree of miscibility can vary; some pairs may mix completely (fully miscible), while others might have limited solubility. This characteristic is crucial in various chemical processes, including synthesis, extraction, and the formulation of products where water interferes with the desired reaction or outcome. It's particularly relevant in the handling of reactive chemicals or substances susceptible to hydrolysis.

Non-aqueous-miscible meaning with examples

• The chemist chose toluene and hexane as solvents for a reaction because they are non-aqueous-miscible and would readily dissolve the reactants, ensuring efficient mixing and promoting a complete reaction unlike a watery environment that wouldn't have worked. This was essential for achieving high product yield.
• When formulating the new, oil-based paint, the manufacturers selected specific pigments and binders known to be non-aqueous-miscible. This compatibility ensured uniform pigment distribution, providing consistent color and improved adhesion. The lack of water was paramount to this formulation
• The extraction process utilized in separating the desired compound from the plant extract relied on using a pair of non-aqueous-miscible solvents, allowing for the targeted component to move from one solvent to another. This enabled easier purification, without the compounds mixing in with unwanted water molecules
• In the analysis of lubricating oils, assessing the non-aqueous-miscible behavior of additives and base stocks is essential. It reveals potential problems if components would precipitate or separate when the oil cools and has an effect on functionality and performance.
• Developing a new adhesive required testing several combinations of polymers and plasticizers, to identify those that were truly non-aqueous-miscible. This led to the best adhesion strength. The use of water, in that instance, would have been catastrophic to adhesion, so this was essential.