Sodium hydrosulphite 50kg

Sodium hydrosulphite 50kg

Sodium hydrosulfite, also known as sodium dithionite, is a white crystalline powder with the chemical formula Na2S2O4. It is a powerful reducing agent that can be used to decolorize dyes and bleach textiles, pulp, and paper. Sodium hydrosulfite is also used in water treatment, food additives, and various chemical reactions. When dissolved in water, it releases sulfite ions, which can react with oxygen and other oxidizing agents, making it useful in a variety of industrial and scientific applications.



Sodium hydrosulfite, also known as sodium dithionite, has a wide range of uses in various industries. Here are some of the major applications of sodium hydrosulfite:

  1. Textile industry: Sodium hydrosulfite is widely used in the textile industry for bleaching and reducing agents. It is used to remove color from natural and synthetic fibers, especially for cotton, wool, and silk.
  2. Pulp and paper industry: Sodium hydrosulfite is used to bleach wood pulp in the paper industry, which results in bright white paper.
  3. Water treatment: Sodium hydrosulfite is used as a dechlorinating agent in water treatment plants. It can reduce chlorine levels in water, making it safe for drinking.
  4. Food industry: Sodium hydrosulfite is used as a food additive to preserve food color and flavor. It is also used in the production of various food products such as canned fruits and vegetables, wine, beer, and baked goods.
  5. Chemical industry: Sodium hydrosulfite is used as a reducing agent in various chemical reactions, such as the reduction of nitro compounds and the conversion of aromatic amines to hydrazines.
  6. Photography: Sodium hydrosulfite is used as a photographic developer, which is an essential component in developing black and white films and prints.

Overall, sodium hydrosulfite is a versatile and important chemical that finds use in many different industries.

Safety Guidelines

When working with sodium hydrosulfite, it is important to observe proper safety precautions to prevent accidents and minimize health risks. Here are some precautions to consider:
  1. Protective equipment: Wear appropriate personal protective equipment, such as gloves, safety glasses, and a lab coat or protective clothing, when handling sodium hydrosulfite.
  2. Ventilation: Work in a well-ventilated area to prevent the buildup of potentially harmful fumes.
  3. Storage: Store sodium hydrosulfite in a cool, dry, well-ventilated area, away from incompatible substances such as oxidizing agents, acids, and metals.
  4. Handling: Handle sodium hydrosulfite with care, as it can be a skin and eye irritant. Avoid inhaling the powder or exposing it to skin and eyes.
  5. Spills and leaks: Clean up spills and leaks immediately using appropriate protective equipment and procedures.
  6. Disposal: Dispose of sodium hydrosulfite in accordance with local, state, and federal regulations. Do not dispose of it in the trash or down the drain.
  7. Compatibility: Be aware of the compatibility of sodium hydrosulfite with other chemicals, as it can react violently with certain substances.
Overall, it is important to exercise caution when working with sodium hydrosulfite to ensure safety and minimize health risks.

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