| Technical Parameter | Specification |
|---|---|
| Chemical Name | Sodium Metabisulfite (Na2S2O5) |
| Formula | Na2S2O5 |
| Appearance | White to yellowish powder |
| Assay (as Na2S2O5) | ≥ 98% |
| Moisture Content | ≤ 1.0% |
| pH (1% solution) | 4.0 - 5.0 |
| Loss on Drying | ≤ 1.5% |
| Iron (Fe) | ≤ 0.002% |
| Chloride (Cl) | ≤ 0.05% |
| Packaging | 25 kg bags |
| Common Abbreviation | SMBS |
One of the primary application occasions for Na2S2O5 is in the food and beverage industry. It serves as a preservative and antioxidant, helping to maintain the freshness and shelf life of products such as dried fruits, wines, and juices. Its ability to inhibit microbial growth and prevent oxidation makes it ideal for use during food processing and packaging. For instance, in winemaking, Sodium Metabisulfite is added to control bacterial growth and oxidation, ensuring the quality and stability of the final product.
In water treatment scenarios, Na2S2O5 is employed as a dechlorinating agent. It effectively removes excess chlorine and chloramine from water, making it safe for discharge or further use. This application is crucial in wastewater treatment plants, swimming pools, and aquaculture, where maintaining balanced water chemistry is essential for environmental and health standards.
The textile and paper industries also benefit from the use of Sodium Metabisulfite. It acts as a bleaching agent and reducing agent, facilitating the removal of excess dyes and impurities during fabric and paper processing. Its antioxidant properties help in preventing discoloration, thus improving the quality and appearance of the final products.
In photographic processing, Na2S2O5 is used as a preservative in developing solutions, preventing oxidation and prolonging the life of the chemicals involved. This ensures consistent image quality and efficient processing in both amateur and professional photographic applications.
Moreover, Sodium Metabisulfite (CAS 7681-57-4) is utilized in the chemical manufacturing sector as a reducing agent in various synthesis reactions. It plays a vital role in the production of dyes, and other specialty chemicals, where controlled reduction is necessary to achieve the desired product characteristics.
Our Sodium Metabisulfite product is supported by a dedicated technical support team ready to assist with any inquiries regarding its applications, handling, and safety measures. We provide comprehensive guidance on proper storage conditions to maintain product efficacy and prevent degradation. Our experts can offer advice on formulation techniques and compatibility with other substances to optimize your processes.
In addition to technical assistance, we offer a range of services including customized packaging solutions, timely delivery schedules, and quality assurance certifications to meet your specific requirements. We are committed to ensuring that our Sodium Metabisulfite meets the highest standards and supports your operational needs effectively.
For any technical questions or service requests related to Sodium Metabisulfite, our team is prepared to provide prompt and professional support to help you achieve optimal results in your applications.
The Sodium Metabisulfite product is packaged in durable, moisture-resistant kraft paper bags lined with polyethylene to ensure product integrity and prevent contamination. Each bag typically contains 25 kilograms of the product. For bulk orders, the product can be packed in jumbo bags or drums as per customer requirements.
During shipping, the packages are securely loaded and handled to avoid damage or exposure to moisture. The product should be transported in covered vehicles to protect it from rain and humidity. Proper labeling with hazard and handling instructions is affixed to each package to comply with safety regulations.
Storage conditions during transit should maintain a dry, cool environment to preserve the quality of Sodium Metabisulfite. Upon arrival, packages should be inspected for any signs of damage or moisture ingress before acceptance.
