Sodium dithionite CAS 7775-14-6
Chemical name: Sodium dithionite
Synonymous names: burmol;blankit;HYDROSULFITE
CAS No:7775-14-6
Molecular formula:Na2O4S2
Molecular weight:174.11
EINECS No:231-890-0
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Structural formula:
Product Description:
Items |
Specifications |
Appearance |
White powder |
Assay,% |
min. 85.0 % |
Melting point |
300 °C |
Boiling point |
1390°C |
Density |
2.13 |
Flash point |
>100°C |
Properties and Usage:
Sodium dithionite is a multifunctional chemical reagent in the form of white to pale yellow crystalline powder, used in food, beverage, textile, chemical industry, medicine and environmental protection.
1. Food industry
Sodium dithionite is used as a food additive (E223) as a preservative and bleaching agent to prevent fruits and vegetables from spoiling and extend the shelf life.
2. Beverage industry
Antioxidant: Sodium dithionite is used in juice and wine to prevent oxidation reactions, maintain the color and flavor of beverages, and ensure the high-quality taste of the product.
Cleaning agent: It removes sediment and microorganisms on the equipment during the cleaning of wine barrels and winemaking equipment, improving production efficiency and product quality.
3. Textile and dye industry
Bleach: In the process of textile bleaching, sodium dithionite can remove natural pigments in the raw materials and provide an ideal basis for dye coloring.
Reducing agent: It is used in the reduction reaction of certain dyes to ensure uniform coloring of dyes on textiles.
4. Chemical industry
During the synthesis and processing process, sodium dithionite is used as a reducing agent to improve reaction efficiency. In addition, it is used to treat industrial wastewater and drinking water, improving water quality by removing harmful substances such as chlorine and chloramine.
5. Pharmaceutical field
In some drugs, sodium dithionite is used as an antioxidant to help drugs maintain stability and effectiveness, ensuring the safety and effectiveness of drugs.
6. Agriculture
Sodium dithionite is used to treat certain soil problems, such as adjusting the pH value of the soil and improving the fertility and health of the soil.
7. Cleaners and disinfectants
In cleaners, sodium dithionite is widely used as a decontamination and disinfection ingredient, especially in the catering industry and sanitary facilities to ensure the cleanliness and hygiene of the environment.
Storage conditions: Storage precautions Store in a cool, ventilated warehouse. The package must be sealed and not exposed to air. It should be stored separately from oxidants, acids, and flammable (combustible) materials. Do not store them together. Use explosion-proof lighting and ventilation facilities. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with appropriate materials to contain leaks.
Packing: This product is packed in 50kg Barrel, and it can also be customized according to customers' requirements