产品介绍：
Sodium nitrite is extensively used in various industrial applications beyond food preservation. It serves as a corrosion inhibitor in industrial greases and lubricants, protecting metal surfaces from rust and decay. In the pharmaceutical industry, sodium nitrite is employed in the synthesis of certain medications and as a reagent in chemical laboratories. Additionally, it plays a role in the dye and textile industry, where it is used in the diazotization process to produce dyes and colorants.