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CAS 7681-57-4 Sodium Pyrosulfite
Category:
CAS No.: 7681-57-4
Formula: Na2s2o5
Product Introduction
Product Description
Product Name: Sodium Pyrosulfite
CAS Number: 7681-57-4
Molecular Formula: Na2S2O5
Molecular Weight: 190.10 g/mol
Appearance: White or nearly white, crystalline powder or small crystals with a strong odor of sulfur dioxide (SO2).
Melting Point: Decomposes at approximately 150°C
Density: 1.48 g/cm³
Solubility: Soluble in water (540 g/L at 20°C), soluble in glycerin, slightly soluble in ethanol.
Product Description: Sodium pyrosulfite is a versatile reducing agent used across different industries due to its effective reducing properties. It is a white crystalline powder that dissolves in water to form acidic solutions. The compound begins to decompose when heated to temperatures above 150°C, releasing sulfur dioxide gas.
Applications:
- Brewing and Winemaking: Used as a preservative to prevent oxidation and spoilage.
- Food Processing: Acts as a bleaching agent and preservative in various food products.
- Pharmaceuticals: Employed as a reducing agent in the production of certain drugs.
- Chemical Synthesis: Utilized in the synthesis of dyes, pharmaceuticals, and other chemicals.
- Textile Industry: Used as a reducing agent in dyeing processes and as a bleaching agent for fabrics.
Detailed Photos
| Item | Specification |
| Product Name | Sodium Pyrosulfite |
| CAS No. | 7681-57-4 |
| Appearance | White powder |
| Content | 95% min |
| Shelf Life | 2 years |
| Packing | 1kg/bag,25kg/bag or as your requirements |
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Company Profile:
Hunan Fortune Technology Co., Ltd., established in 2004 and officially registered in 2016 with a 30 million RMB capital, is a leading provider of fine chemicals with nearly two decades of industry experience. Based in Zhuzhou, our company specializes in research and production of high-quality chemical agents, including mining chemicals, for environmental solutions and metallurgical processes.
Our team of chemical engineers, with over 20 years of metallurgical expertise, ensures we offer customized solutions and premium products to meet diverse client needs. We have expanded our services to include mining chemicals, enhancing efficiency and sustainability in the mining sector.
With a strong commitment to innovation and sustainability, Hunan Fortune Technology Co., Ltd. is dedicated to providing effective and reliable environmental solutions, contributing to a greener future.
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Production strength
Key words:
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