常用名 | 焦亚硫酸钠 | CAS号 | 7681-57-4 |
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价格 | $320.0/1ton | 纯度 | 96.5% |
备货期 | 15天 | 库存 | 询单 |
产品网页 | http://www.hunanchem.com/sdp/77880/4/pd-997244/470622-499716/Sodium_Metabisulphite__Tech_Food_Grade_Na2S2O.html |
产品详情(用途,包装等)
Sodium Metabisulphite - Product Identification CAS No. : 7681-57-4 EINECS No. : 231-673-0 H.S. Code : 2832.1000 Formula : Na2S2O5 Molecular Weight : 190.10 Synonyms : Dinatriumdisulfit; Disulfito De Disodio; Disulfite De Disodium; Disodium Disulfite; Disodium Salt Pyrosulfurous Acid; Disulfurous Acid, Disodium Salt; Pyrosulfurous Acid, Disodium Salt; Sodium Metabisulfite; Sodium Disulfite; Sodium Pyrosulfite; - Physical And Chemical Properties Physical State : White or yellowish crystal powder Melting Point : 150 C (Decomposes) Specific Gravity : 1.48 Solubility in water : 54 g/100ml (20 oC); 81.7 g/100ml (100 oC) NFPA Ratings : Health: 2; Flammability: 0; Reactivity: 0
Stability : Stable under ordinary conditions - Applications Industrial Grade : - Printing dyeing mordant, Dechlorinating agent for washed fabric. - Medical deoxidizer and sulfonating agent. - Bleaching agent of bamboo, wood and paper fiber. - Non-ferrous mineral separation agent. - Waste water disposing agent. - Rubber coagulator. - Alkyl spice aldehyde in spice industry. - Depilating agent, softening agent and anti-wear agent in leather industry. - Reducer of developer and protective agent of fixative in sensitization industry. Food Grade : - Bleaching agent ( Sugar, Pastry, Water-soaked bamboo slices, Mushrooms, etc ). - Loosening agent ( Bread, Biscuit, etc ). - Corrosion Protection Antiseptic ( Fruit juice, Can, brewing, grain storage, etc ). - Antioxidant and Fresh keeping agents ( Lily flower, Sea Food, Fruit, Vegetables, etc ). - Specification Testing Items / Quality Standard (Food Grade) / Quality Standard (Industrial Grade) Purity - Na2S2O5 : 96.5% Min / 96.5% Min Water Insoluble : 0.05% Max / 0.05% Max Iron (Fe) : 0.003% Max / 0.005% Max Arsenic (As) : 0.0001% Max / 0.0001% Max Heavy Metal (Pb) : 0.0005% Max / - Clarity : Pass / - - Transportation Storage : Store in a cool, dry, well-ventilated warehouse. Packing : In 25kgs /50kgs /1000kgs net p.p. woven bags - Other Trade Information Min. Order Quantity : 25 MTS Supply Capacity : 22,000mts /Year Loading Capacity : 27Mts/1080Bags (1x20'FCL) Port of Loading : Huangpu / Hengyang / Tianjin, China Fresh Stocks : Yes Ref. Price : USD305.- ~ USD320.-/MT FOB Huangpu / Tianjin, China Shipment Time : Within 2-3 weeks upon receipt of advance payment or L/C . Payment Terms : T/T, L/C ( Sight / 90days ), D/P, Western Union Origin : Hunan, Tianjin Sample Availability : Yes Main Export Markets : South Africa, Thailand, Myanmar, Pakistan, Lebanon, Turkey, Iran, Spain 更多
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