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Sodium Thiosulphate (Sodium Hyposulfite) CAS: 10102-17-71
Inorganic SaltSodium HyposulfiteThiosulfate
Hainan Huarong Chemical Co., Ltd.
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Product Description Sodium Hyposulfite; Sodium Thiosulphate; Sodium HyposulphitePhysicochemical properties:white monoclinic crystal.No smell, cool and bitter taste.Relative density 1.729 (17oC).Melting point 40 ~ 45oC.Heat to 100oC and lose 5 crystalline water.Soluble in water, aqueous solution nearly neutral.Soluble in turpentine and ammonia.Insoluble in alcohol.Deliquescence in moist air.Easy weathering in dry air above 33oC.It's reductive.It dissolves halogens and silver salts.Specification:Na2S2O3 99.0% minInsolubles in water 0.01% maxNa2S 0.003%maxFe 0.003%maxParticle size (grain/gram) 15-18 ItemPhotographic gradeIndustrial gradeAnhydrous gradeAppearancecolorless transparent crystalColorless transparent crystalwhite powderAssay≥99.00%≥98.5%≥97.0%Water Insoluble matter≤0.01%≤0.03%≤0.03%Sulfide≤0.001%≤0.003%≤0.001%Fe≤0.001%≤0.003%≤0.005%PH6.5~9.56.5~9.56.5~9.5Water solution reactionin accordance with the testin accordance with the test----Granularity(g/g)12~16-------Application:used as photo fixing solution, dechlorination agent and printing and dyeing assistant after bleaching cotton fabric, also used in medicine, electroplating, tanning, metallurgy, dyestuff and so on.Packing: packing with woven bag lined with polyethylene plastic bag or wooden barrel.The net weight per bag (drum) is 25kg or 50kg.Containers must be sealed.Storage:Stored in a cool and dry warehouse, prevent from being exposed to the sun and rain during transportation.It should not be stored and transported together with acids and oxidants.Prevent moisture from melting.If the package is damp, it means that the contents have become desiccated and must be stacked separately from the dry package.Can not be stored in the open air, on the damp package to handle.In case of fire, water and sand can be used.
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