Product Overview

Our Sodium Thiosulfate (Na₂S₂O₃), commonly known as "Hypo" or photographic fixer, is a high-purity crystalline compound widely used in photographic processing, water treatment, and chemical industries. With excellent reducing properties and solubility, it serves as a versatile chemical across multiple applications.

Technical Specifications

✅ Chemical Formula: Na₂S₂O₃
✅ Purity: ≥99% (Anhydrous)
✅ Appearance: White crystalline powder
✅ Solubility: Highly water soluble
✅ pH Value: 6.5-8.0 (5% solution)
✅ Packaging: 25kg/bag or customized options

Key Features & Benefits

✔ Powerful Reducing Agent - Effective in redox reactions
✔ Excellent Complexing Properties - Forms stable complexes with metals
✔ High Solubility - Easy to dissolve in aqueous solutions
✔ Non-Toxic Nature - Safer alternative to many sulfur compounds
✔ Versatile Applications - Multiple industrial uses

Primary Applications

1. Photographic Industry

• Essential component in photographic fixing baths

• Removes unexposed silver halides from film and paper

2. Water Treatment

• Dechlorination agent for municipal and industrial water

• Neutralizes chlorine in swimming pools and wastewater

3. Chemical Manufacturing

• Reducing agent in chemical synthesis

• Used in gold extraction and refining processes

4. Medical Applications

• Antidote for cyanide poisoning

• Treatment for calciphylaxis in dialysis patients

Oxalic Acid (C₂H₂O₄) - Reference Information

Chemical Formula: C₂H₂O₄
Common Uses:

• Metal Cleaning: Removes rust and stains from metal surfaces

• Textile Industry: Bleaching agent for fabrics

• Wood Treatment: Restores and brightens wood surfaces

• Pharmaceuticals: Intermediate in drug synthesis

Safety & Handling

⚠ Storage: Keep in dry, cool, and well-ventilated area
⚠ Handling: Wear appropriate PPE (gloves, goggles)
⚠ Incompatibilities: Strong oxidizers, acids

Why Choose Us?

✅ High-purity products, in compliance with international standards
✅ 30+ Years Chemical Manufacturing Experience
✅ Strict QC with Batch Traceability
✅ Global logistics, supporting sea and air transportation
✅ Technical support, providing customized solutions
✅ Factory direct supply, with strong price competitiveness