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China, Chinese Sodium Sulfite CAS 7757-83-7 Na2so3 Sodium Sulphite Anhydrous1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Inorganic SaltSulfideSodium Sulfite7757-83-7
Ningbo Surest Chemical Co., Ltd.
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Product Description Product Description NameSodium sulfiteSynonymsSodium sulfite anhydrousMolecular StructureMolecular FormulaNa2SO3Molecular Weight126.04CAS Registry Number7757-83-7EC Number231-821-4SMILES[O-]S(=O)[O-].[Na+].[Na+]PropertiesDensity2.633 g/mL (Expl.)Melting point500 oC (decomp.) (Expl.)Water solubility23 g/100 mL (20 oC) (Expl.)Main Uses: The uses of anhydrous sodium sulfite (Na2SO3) are as follows:1, Food industryAntioxidantPrevent food oxidation and spoilage, maintain flavor and nutritional value, especially suitable for dairy products, meat products, baked goods, etc.PreservativesInhibit microbial growth, extend shelf life, used for dehydrated vegetables, fruit juice and other high moisture foods.BleachImprove the appearance and color of food, such as canned mushrooms, candied fruits, etc.2, Medical fieldReducing agents and antioxidantsUsed in injection solutions to prevent drug oxidation and degradation, or as a stability protector for vitamin drugs.Medicinal raw materialsAs a filler for health food and a synthetic intermediate for some drugs.3, Industrial applicationsPrinting, Dyeing, and TextileAs a deoxidizer and bleaching agent, it prevents oxidative damage to cotton fibers and improves dyeing quality.Water treatmentDeoxidizer for boiler water and oilfield injection water, dechlorination agent for industrial water.Chemical raw materialsProduce chemical products such as sodium thiosulfate and sodium hydrosulfite, or use them as catalysts.4, Other usesCosmetics: used as pH regulator for shampoo, facial mask, etc.Feed additives: Nutritional supplements for pet canned food and aquatic feed. Specification ItemSpecificationNa2SO3≥98.0%Free alkali (As Na2CO3)≤0.6%Iron (Fe) ≤0.003%Heavy metal(as Pb)≤10ppmAs≤2ppmWater insoluble≤0.05% Detailed Photos FAQQuestion 1: Can I get samples?Answer: Yes,you can get free samples of our most products,while the courier cost will be borne by the buyers.Question 2: What's your MOQ?Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.Question 3: What's your delivery time?Answer: Orders shipped by express delivery,the delivery time is usually 5~7 working days;Orders shipped by air transport,usually around 7~10 working days; Orders shipped by sea , usually around 2~3 working weeks.Question 4: What are the different payment methods?Answer: We usually accept T/T, L/C and Western Union.Question 5: How do you treat quality complaint?We take quality very seriously, it is one of the founding principles of our business. If the quality problem actually exists, we will replace with qualified goods or refund the money.
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