Sichuan Hongjian Xinyi Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 100,000 tons per year |
| Delivery Time | About six weeks |
| Packaging Details | Bagged |
| chemical formula | Na2S2O3 |
| appearance | Colorless or white crystalline powder (anhydrous); colorless monoclinic crystal (pentahydrate) |
| Purpose | Medical treatment, wastewater treatment, analytical chemistry, metal and mineral treatment, etc |
| melting point | 48 ℃ |
| Boiling Point | 100 ℃ |
| Brand Name | SiChun HongJian |
| Model Number | Sodium thiosulfate |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100,000 tons per year |
| Delivery Time | About six weeks | Packaging Details | Bagged |
| chemical formula | Na2S2O3 | appearance | Colorless or white crystalline powder (anhydrous); colorless monoclinic crystal (pentahydrate) |
| Purpose | Medical treatment, wastewater treatment, analytical chemistry, metal and mineral treatment, etc | melting point | 48 ℃ |
| Boiling Point | 100 ℃ | Brand Name | SiChun HongJian |
| Model Number | Sodium thiosulfate | Place of Origin | China |
| High Light | Sodium Thiosulfate 99% water treatment ，industrial grade dechlorination agent ，water treatment dechlorination chemical | ||
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.
✅ 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
✔ 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
Essential component in photographic fixing baths
Removes unexposed silver halides from film and paper
Dechlorination agent for municipal and industrial water
Neutralizes chlorine in swimming pools and wastewater
Reducing agent in chemical synthesis
Used in gold extraction and refining processes
Antidote for cyanide poisoning
Treatment for calciphylaxis in dialysis patients
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
⚠ 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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2013
Total Annual:
7000000-10000000
Employee Number:
130~150
Ecer Certification：
Verified Supplier
Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ... Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ...
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