97% Na2s2o5 Salt Sodium Pyrosulphite Food Grade Sodium Metabisulfite CAS 7681-57-4

Specification                                                            SODIUM METABISULPHITE 97% MIN food grade      ITEMSPECIFICATIONTEST RESULTNa2S2O5 content  :97.0 %min97.23%Heavy metals (as Pb) :0.0005%max0.0004%Arsenic (As) :0.0001%max0.0001%Iron (Fe) :0.0030%max0.0021%Water insoluble  :0.02%max0.01%PH Value : 4.0-4.84.6Product Description    Sodium metabisulfite (Na2S2O5) is used as a food preservative, antioxidant and disinfectant. It preserves freshness, inhibits the growth of bacteria and yeast, and prevents oxidation in food production, including wine, beer, and dried fruit. It prevents fruit and vegetables from browning and helps preserve the color and texture of cans. It acts as a disinfectant in water treatment. However, it may cause an allergic reaction in some people, especially those with asthma or sulfite allergies. Checking food labels for sulfites and seeking professional guidance is important for safe use.   ApplicationSodium metabisulfite has various applications in different industries. Some of the common applications of sodium metabisulfite include: 1. Food Industry: Sodium metabisulfite is used as a food preservative and antioxidant. It helps to prevent the growth of bacteria and fungi, thus extending the shelf life of food products such as dried fruits, wines, and processed meats. 2. Water Treatment: Sodium metabisulfite is used in water treatment processes to remove chlorine and chloramine from tap water. It acts as a reducing agent, neutralizing the disinfectant properties of chlorine and making the water safe for consumption. 3. Photography: Sodium metabisulfite is used in developing solutions for photographic films and papers. It acts as a reducing agent, helping to stabilize and fix the images by removing the unexposed silver halides. 4. Textile Industry: Sodium metabisulfite is used as a bleaching agent and reducing agent in the textile industry. It helps to remove stains and brighten the colors of fabrics. 5. Pharmaceutical Industry: Sodium metabisulfite is used as an antioxidant and preservative in pharmaceutical formulations. It helps to prevent the degradation of drugs and increase their shelf life. 6. Pulp and Paper Industry: Sodium metabisulfite is used in the pulp and paper industry as a bleaching agent and dechlorinator. It helps to remove residual chlorine from the pulp and improve the brightness of the paper. 7. Mining Industry: Sodium metabisulfite is used as a flotation agent in the mining industry. It helps to separate valuable minerals from the ore by selectively binding to them and making them float while leaving the waste materials behind. 8. Chemical Industry: Sodium metabisulfite is used as a reducing agent and antioxidant in various chemical reactions. It is used in the production of dyes, pharmaceuticals, and other chemical compounds.  Packaging & Shipping Company Profile Wuhan Ruisunny Chemical Co.,Ltd was established in 2010 with registered capital of CNY 20 million, the company focuses on trading of such chemicals as WATER TREATMENT CHEMICALS, FOOD ADDITIVES , ORGANICS SILICONE and general INORGANICS/ORGANICS. Over the years of development, the sales of the company has extended to more than 50 countries or regions. Based on principle of Co-win, we are looking forward to cooperating with you! CertificationsExhibitionFAQ1. who are we?We are based in Hubei, China, start from 2010,sell to Southeast Asia(20.00%),South Asia(20.00%),Domestic Market(20.00%),South America(10.00%),North America(10.00%),Northern Europe(7.50%),Southern Europe(7.50%),Central America(5.00%). There are total about 101-200 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Azodicarbonamide ,Hydrogen Peroxide ,Calcium Hypochlorite,SODA ASH,TRICHLOROISOCYANURIC ACID,VINYL SILICONE OIL and so on.4. why should you buy from us not from other suppliers?Wuhan Ruisunny Chemical Co.,Ltd was established in 2010 with registered capital of CNY 20 million, the company focuses on trading of such chemicals as WATER TREATMENT CHEMICALS, FOOD ADDITIVES and general INORGANICS/ORGANICS. Over the years of development,5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,DDU,DAF;Accepted Payment Currency:USD,CNY;Accepted Payment Type: T/T,L/C,D/P D/A;Language Spoken:English,Chinese /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1