Sichuan Hongjian Xinyi Technology Co., Ltd.
| Payment Terms | T/T,L/C,D/A,D/P,Western Union,MoneyGram |
| Supply Ability | 100,000 tons per year |
| Delivery Time | About six weeks |
| Packaging Details | Bagged |
| chemical formula | Na2S2O5 |
| Brand Name | SiChun HongJian |
| Model Number | sodium pyrosulfite |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C,D/A,D/P,Western Union,MoneyGram | Supply Ability | 100,000 tons per year |
| Delivery Time | About six weeks | Packaging Details | Bagged |
| chemical formula | Na2S2O5 | Brand Name | SiChun HongJian |
| Model Number | sodium pyrosulfite | Place of Origin | China |
| High Light | Sodium Sulfite ，Purity Sodium Sulfite ，Industrial Applications Sodium Sulfite | ||
Sodium metabisulfite from Hongjian Chemical is a premium quality inorganic compound with the chemical formula Na₂S₂O₅. This white crystalline powder serves as versatile reducing agent and preservative across multiple industries. Our manufacturing process ensures exceptional purity and consistent particle size distribution for optimal performance in various applications.
Chemical Formula: Na₂S₂O₅
CAS Number: 7681-57-4
Appearance: White to yellowish crystalline powder
Purity: ≥97.0%
SO₂ Content: ≥64.0%
Iron (Fe) Content: ≤0.001%
Water Insolubles: ≤0.05%
pH (10% solution): 4.0-5.5
Food Industry: Approved food additive (E223) for preservation, antioxidant, and bleaching agent in beverages, dried fruits, and vegetable processing
Water Treatment: Effective dechlorination agent and oxygen scavenger in wastewater treatment and drinking water purification
Photography: Developing agent and fixer component in photographic solutions
Textile Industry: Chlorine neutralizer and bleaching auxiliary in textile processing
Pharmaceuticals: Intermediate in drug synthesis and purification processes
Available in 25kg polywoven bags with PE inner lining. Store in cool, dry, well-ventilated areas away from moisture and heat sources. Keep containers tightly closed when not in use.
ISO-certified manufacturing facilities
Strict quality control protocols
Customized particle size available
Technical support provided
Reliable global shipping
Contact us today for pricing samples and technical documentation.
Note: This product should be handled by qualified personnel using appropriate safety equipment including gloves and eye protection. Avoid inhalation of dust and contact with skin.
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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