Sodiumbenzenesulfinate Industrial Grade

Benzene and sulfonic acid Sodium salt (Sodium benzenesulfinate), alias: benzene and sulfonic acid Sodium salt (Sodium benzenesulphinate), white crystals or white powder, melting point 300 ℃, under atmospheric pressure is stable, avoid oxide contact, see light easy oxidation. Used in medicine, electroplating industry and light-sensitive materials synthesis; Polymer adhesive strengthening agent, plasticizer, used in polyamide, plasticizing and modified epoxy resin, phenolic resin, used in printing ink, glue, nail polish, coating; Used in food, feed preservative [1].

Storage method editor

1. Keep containers sealed and store in a cool, dry place

2.30 kg with inner plastic bags, jackets fiber can [1].

Synthesis method editor

By such as mole of benzene sulfonic acid with NaOH (with 40% NaOH aqueous solution), 2 h under 30 ~ 40 ℃, concentration, cooling crystallization, filtration, vacuum drying to finished products.

Will benzene sulfonyl chloride, sodium metabisulfite, water and sodium hydroxide in the pH = 3.5 ~ 8.5, 50 ℃ under back into benzene sulfonic acid sodium, the decoloring, filtering, cooling to 15 ℃, the separation of sodium bisulfate, with 30% hydrochloric acid in 15 ~ 20 ℃ acid out into benzene sulfonic acid, water washing, alkaline and salt again, have to benzene sulfonic acid sodium as colorless flaky crystal [1].

Use the editor

1. Used in pharmaceutical, electroplating industry and the synthesis of light-sensitive materials

2. Used in food, feed preservatives

3. The polymer adhesive strengthening agent, plasticizer, used in polyamide, plasticizing and modified epoxy resin, phenolic resin, used in printing ink, glue, nail polish, coating [3].

4. The primary brightener for bright nickel plating. It has significantly reduced the effect of grain size, nickel plating layer can make the coating produces light, make the good ductility of coating. General dosage is 0.1 ~ 0.3 g/L [1].

Note to edit

Handling and storage: after handling need to thoroughly clean the body. Remove contaminated clothing and wash before use again. Avoid contact with eyes, skin and clothing, to prevent ingestion and inhalation.

Store in a cool, dry place. When not in use keep closed block [1].