Textile Chemistry

Sodium Hydrosulfite

Formula: NaHSO₃ GOST/CAS: CAS 7775-14-6

Sodium Hydrosulfite (Sodium Dithionite) is a powerful reducing agent, appearing as a white or yellowish crystalline powder with a characteristic sulfur odor. This product is highly valued in industry for its potent bleaching and reduction properties. It effectively removes excess dyes from fabrics and purifies wastewater by stripping out heavy metals. Due to its high chemical reactivity, it is indispensable in the textile, paper, and leather industries, ensuring high-quality raw material processing when standard protocols are followed.

Applications

Textile Industry: Reductive clearing in synthetic fiber dyeing and bleaching of natural fabrics (cotton, wool, silk).

Pulp and Paper Industry: Bleaching of wood pulp and recycling of waste paper.

Leather Production: Used in tanning processes and hide treatment.

Mining Industry: Ore flotation and purification of industrial solutions.

Key Advantages

High Concentration: The high content of the active substance ensures effective performance even at low dosages.

Instant Action: High reaction rates for reduction and decolorization processes.

Versatility: Performs effectively across various temperature ranges and production cycles.

Storage & Transportation

Store in dry, cool, and well-ventilated areas.
Avoid contact with moisture, acids, and oxidizing agents (the product is flammable when wet).
Keep away from direct sunlight and heat sources.