Sodium salicylate CAS 54-21-7

what is  of  Sodium salicylate with cas 54-21-7?

Sodium salicylate is a sodium salt of salicylic acid. It can be prepared from sodium phenolate and carbon dioxide under higher temperature and pressure. Historically, it has been synthesized from methyl salicylate (found in wintergreen plants or the bark of sweet birch tree) by reacting it with an excess of sodium hydroxide and heating it under reflux.

Specification

Usage 

In manufacture of aspirin, methyl salicylate, and other salicylates. Coupling agent for azo dyes. Has been used as food preservative.

Packing

25kgs/drum, 9tons/20’container