Our High Quality Sodium metabisulfite with the CAS number 7681-57-4 is a top - grade chemical compound. It presents as a white or yellowish - white crystalline powder. The compound has a strong sulfur dioxide odor. In terms of chemical properties, it is soluble in water and forms a slightly acidic solution. The molecular formula of Sodium metabisulfite is Na₂S₂O₅, and its molecular weight is approximately 190.107 g/mol.
Our product is of high purity, which ensures its effectiveness in various applications. It is produced under strict quality control measures to meet international standards. The low price makes it a cost - effective choice for industries that require large - scale use of this chemical.
1. **Food Industry**: Sodium metabisulfite is widely used as a food preservative. It helps to prevent the growth of bacteria, fungi, and other microorganisms, thereby extending the shelf - life of food products. It is also used as an antioxidant in wine production to prevent oxidation and maintain the flavor and color of the wine.
2. **Water Treatment**: In water treatment plants, it is used as a dechlorinating agent. It can react with chlorine in water to remove its disinfecting properties, which is important in some industrial processes where chlorine can cause corrosion or interfere with chemical reactions.
3. **Textile Industry**: It acts as a bleaching agent in the textile industry. It can remove color from fabrics and also helps in the reduction of dyes during the dyeing process.
4. **Photography**: Sodium metabisulfite is used in photographic developers as a preservative and antioxidant. It helps to maintain the stability of the developer solution and prevents the oxidation of other components.
1. **In the Food Industry**: When using as a food preservative, the dosage should be in accordance with local food safety regulations. Generally, it is dissolved in water first and then added to the food product during the processing stage. For example, in wine production, it is added during the fermentation process or before bottling.
2. **In Water Treatment**: Calculate the appropriate amount of Sodium metabisulfite based on the chlorine concentration in the water. Dissolve it in a small amount of water and then add it to the water to be treated. Mix thoroughly to ensure complete reaction.
3. **In the Textile Industry**: Prepare a solution of Sodium metabisulfite with the appropriate concentration for bleaching. Immerse the fabric in the solution for a certain period of time, depending on the type of fabric and the desired degree of bleaching.
4. **In Photography**: Follow the instructions of the photographic developer formulation. Add the required amount of Sodium metabisulfite to the developer solution during preparation.
**Case 1: Wine Production**
A medium - sized winery in California was facing issues with wine oxidation. The wine was losing its freshness and flavor over time. They decided to use our Sodium metabisulfite. By adding an appropriate amount during fermentation and before bottling, they observed a significant improvement in the wine's stability. The wine maintained its original flavor and color for a longer period, resulting in higher customer satisfaction and increased sales.
**Case 2: Water Treatment**
A local water treatment plant was experiencing corrosion in its pipes due to high chlorine levels. After using our Sodium metabisulfite as a dechlorinating agent, the corrosion rate decreased significantly. By accurately calculating the dosage and adding it to the water, the plant was able to reduce maintenance costs and extend the lifespan of its pipes.
If you have any questions or need further information about our High Quality Sodium metabisulfite, please feel free to contact us. Our email address is info@vivalr.com, and our phone number is (86) 15866781826.
This is William, CEO of Zhishang Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.
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