| 常用名 | 无水亚硫酸钠 | CAS号 | 7757-83-7 |
|---|---|---|---|
| 价格 | $520.0/1ton | 纯度 | 93.0% |
| 备货期 | 15天 | 库存 | 询单 |
| 产品网页 | http://www.hunanchem.com/sdp/77880/4/pd-997244/19196034-499716/Sodium_Sulphite_Anhydrous_Na2SO3.html | ||
| 产品详情(用途,包装等)
Sodium Sulphite Anhydrous - Product Identification CAS No. : 7757-83-7 EINECS No. : 231-821-4 H.S. Code : 2832.100000 Formula : Na2SO3 Molecular Weight : 126.04 Toxicity : Oral mouse LD50: 820 mg/kg Synonyms : Sodium Sulfite Anhydrous; Disodium Sulfite; Natrii Sulphis; Natrium Sulfurosum; Natriumsulfit (German); Sulfurous Acid, Disodium Salt; - Physical And Chemical Properties Physical State : White crystalline powder Melting Point : Decomposes Specific Gravity : 2.633
Solubility in water : good PH : 9 Vapor Density : 4.35 NFPA Ratings : Health: 1 Flammability: 0 Reactivity: 0 Stability : Stable under ordinary conditions - Applications - Pharmaceutical industry for the production of chloroform, benzene, styrene sulfone, formaldehyde. - Rubber industry as a coagulant. - Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength. - Leather tanning industry for processing,make the leather soft, plump, tough, waterproof, bending, wear and other properties. - The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on. - Photographic Industry as a developer, etc. - The food industry as a bleaching agent, preservatives, leavening agent, antioxidant, color agents and the insurance agent. as reducer in producing dehydration vegetables. - Electronics industry for the manufacture of photosensitive resistance. - Paper-making, Electronic, Water-treatment for electroplating wastewater, drinking water, etc. - Specification Testing Items / Quality Standard – Type (1) / Quality Standard – Type (2) Appearance : White crystalline powder / White crystalline powder Purity – NA2SO3 : 97% Min / 93% Min Water Insoluble : 0.02% Max / 0.03% Max Fe : 0.003% Max / 0.005% Max Free Alkali, as NA2CO3 : 0.1% Max / 0.4% Max Sulphates, as NA2SO4 : 2.5% Max / - Chlorides, as NACL : 0.1% Max / - - Transportation Storage : Stored in cool and dry place, avoid moisture and heat 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.- ~ USD520.- /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 : India, Indonesia, Thailand, Pakistan, Bangladesh, Iran, Argentina, Turkey 更多
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