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 | Na2S2O5 |
| Brand Name | SiChun HongJian |
| Model Number | sodium pyrosulfite |
| 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 | Na2S2O5 | Brand Name | SiChun HongJian |
| Model Number | sodium pyrosulfite | Place of Origin | China |
| High Light | Sodium Metabisulfite food grade ，Na2S2O5 industrial chemical ，97% purity Sodium Metabisulfite | ||
Sodium Metabisulfite is a white crystalline powder or granules with strong sulfur dioxide odor. Our product with purity ≥97% is widely used in food preservation, water treatment, textile bleaching, etc., serving as an efficient and economical reducing agent and preservative.
Chemical Name: Sodium Metabisulfite
CAS No.: 7681-57-4
Molecular Formula: Na₂S₂O₅
Molecular Weight: 190.10
Purity: ≥97%
SO₂ Content: ≥65%
Water Insolubles: ≤0.05%
Iron Content: ≤0.005%
Food Grade: Complies with GB1886.44-2016
Industrial Grade: High purity for industrial use
Pharmaceutical Grade: Meets USP standard
25kg/bag (PE-lined woven bag)
50kg/drum (plastic sealed drum)
1000kg/jumbo bag (moisture-proof)
✓ High purity (≥97%)
✓ Fast dissolution
✓ Strong reducing property
✓ Multiple specifications available
✓ Complies with international standards
Food Industry
Wine preservative
Dried fruit bleaching
Seafood antioxidant
Water Treatment
Drinking water disinfection
Wastewater dechlorination
Circulating water system sterilization
Textile Industry
Fabric bleaching agent
Dyeing reducing agent
Deoxidizer
Other Fields
Photographic developer
Rubber antioxidant
Chemical synthesis reducing agent
Food Grade: GB1886.44-2016
Pharmaceutical Grade: USP/EP
Industrial Grade: ISO9001
Hazard Class: Class 8 Corrosive
UN Number: UN2693
Storage: Cool dry place, sealed
Shelf Life: 12 months
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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