Sodium Hydrosulfite (CAS 7775-14-6) – Powerful Reducing Agent

🧪 CAS Number: 7775-14-6

🌟 Product Description

Sodium hydrosulfite is a white crystalline powder and a powerful reducing agent. It is widely used in textile, paper, leather, and water treatment industries due to its rapid solubility and effective decolorization capability.

🏭 Applications

👕 Textile dyeing and bleaching

📄 Paper industry whitening

👞 Leather processing decolorization

💧 Water treatment for color and impurity removal

🧴 Reducing reactions in chemical industry

📊 Physical & Chemical Properties

Appearance: White crystalline powder

Odor: Odorless

Formula: Na2S2O4

Molecular Weight: 174.11 g/mol

Solubility: Highly soluble in water

Density: ~2.38 g/cm³

Stability in solution: Low, decomposes rapidly

⚠️ Storage & Safety

Sodium hydrosulfite decomposes easily with moisture and oxygen. It should be stored in cool, dry, and sealed containers. Keep away from heat and open flames as it may release flammable gases. Avoid eye and skin contact; use protective equipment.

🔑 Keywords

sodium hydrosulfite, CAS 7775-14-6, reducing agent, textile bleaching, paper whitening

📛 Other Names

Sodium Dithionite, Na2S2O4