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NaHSO3 Affordable Inorganic Raw Materials Sodium Bisulfite for Bleaching and Preserving

Inorganic Raw Materials
November 24, 2025
Category Connection: Inorganic Raw Materials
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Tags:
#potassium nitrate powder #baking powder sodium bicarbonate #NaOH Sodium hydroxide
Brief: In this video, discover the versatile applications and key properties of NaHSO3, an affordable inorganic raw material widely used for bleaching and preserving. Learn how sodium bisulfite serves as a reducing agent in industries like dyeing, papermaking, and pharmaceuticals, while also being an effective treatment for wastewater.
Related Product Features:
  • White crystalline powder with a sulfur dioxide odor, soluble in water and ethanol.
  • Used as a bleaching agent for cotton and organic fabrics.
  • Acts as a reducing agent in dyeing, papermaking, and leather industries.
  • Intermediate in pharmaceutical production for drugs like metamizole and aminopyrine.
  • Edible grade variants serve as preservatives and antioxidants in food processing.
  • Effective in treating chromium-containing wastewater and as an electroplating additive.
  • Exposure to air leads to partial oxidation to sulfate.
  • Aqueous solution exhibits acidic properties with a melting point that decomposes.
Faqs:
  • What are the primary industrial uses of sodium bisulfite?
    Sodium bisulfite is widely used as a bleaching agent for fabrics, a reducing agent in dyeing and papermaking, an intermediate in pharmaceuticals, and for wastewater treatment.
  • Is sodium bisulfite safe for food applications?
    Yes, edible grade sodium bisulfite is used as a preservative, bleaching agent, and antioxidant in food processing, adhering to safety standards.
  • How should sodium bisulfite be stored to maintain its efficacy?
    Store in a cool, dry place away from air exposure to prevent oxidation and loss of sulfur dioxide content.
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