Sodium chloride 1% solution fulfills a variety of uses. It is used in medical diagnostic procedures, especially in histology, and in scientific laboratory applications.

Chemically, the solution consists of sodium chloride (NaCl) dissolved in water (H2O). Through the process of ionization, NaCl in water decomposes to its ionic components: Na+ (sodium ions) and Cl- (chloride ions). The properties of NaCl solutions are largely determined by the ionic interactions and the hydrate shell around the ions.

The solution used in histology often serves as a physiological saline solution and forms an important basis for specimen preparation. In addition, as a solvent in scientific laboratories, it enables numerous experiments and reactions to be carried out. The results vary depending on the specific application.