Sodium Nitrite 4%, aqueous, serves as an important laboratory chemical and reagent in medical and histological diagnostics. Its uses range from incorporation into staining kits such as the chloroacetate esterase staining kit to the study of chemical reactions.

The product consists of sodium nitrite dissolved in pure water. Sodium nitrite is an inorganic salt known for its oxidizing properties and ability to catalyze a variety of chemical reactions. Its aqueous solution shows a yellow color and allows reactions to be carried out and controlled efficiently.

When used, sodium nitrite can help catalyze reactions and produce complex chemical compounds in diagnostic studies. It enables precise control of reaction conditions, ensuring reliable and accurate results. It is an indispensable reagent in modern medical and histological diagnostics.