Sodium bisulfite, also known as acid sodium sulfite, is an inorganic compound with the chemical formula NaHSO3.It is a white crystalline powder with an unpleasant odor of sulfur dioxide; Easy to dissolve in water, aqueous solution is acidic, difficult to dissolve in alcohol. Mainly used as a bleaching agent, preservative, antioxidant, and bacterial inhibitor.

Product Name: Sodium Bisulfite

CAS: 7631-90-5

 

The Application for sodium bisulfite
1. As a deoxidizer and bleaching agent, the printing and dyeing industry is used for the cooking of various cotton fabrics, which can prevent the localization of cotton fibers and affect fiber strength, and improve the whiteness of the cooked fabrics.
2. Used as a reducing agent in the organic industry, it can prevent the oxidation of semi-finished products during the reaction process.
3. As a catalyst, used to catalyze organic reactions.
4. Used as an electroplating additive.
5. Used to treat various chromium containing wastewater generated during the electroplating production process.
6. Used for decolorizing and cleaning wastewater to remove organic matter and other pollutants, it is a method of wastewater treatment.
7. Sodium bisulfite is mainly used as a reducing agent in RO reverse osmosis systems to remove substances such as chlorine, ozone, and rust that cause membrane fouling and oxidation.
8. As a gas consumer, it can absorb oxidants such as sulfate ions and ammonia in the gas.
9. Used as a photographic reducing agent and photosensitive industrial developer.
10. Used as a lignin removal agent in the paper industry.
11. The electronics industry is used to manufacture photoresistors.
12. Raw materials used for the preparation of anhydrous ethanol.
13. Food grade sodium bisulfite is commonly used as a bleaching agent, preservative, and antioxidant.

14. Sodium bisulfite in agriculture can undergo redox reactions in crops, releasing active substances such as sulfur dioxide and nitric oxide, promoting crop growth and development.In addition, it can provide sulfur elements for crops, increase their nutritional content, improve their quality and yield, as well as improve soil acidity and fertility.

 

When using sodium bisulfite, it is necessary to comply with relevant regulations and operating procedures, ensure personnel safety, and take necessary protective measures. Operators should wear self-priming filter dust masks, chemical safety goggles, rubber acid and alkali resistant clothing, and rubber acid and alkali resistant gloves to avoid dust generation. In addition, when storing, it should be kept away from fire and heat sources, protected from direct sunlight, and stored separately from oxidants, acids, and alkalis.

 

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