Na2SiF6 натрия кремнефтористый натрий fluorosilica

Sodium Silicofluoride 99.0%Min CAS No. : 16893-85-9 H.S. Code : 2826.901000 Formula : Na2SiF Sodium Silicofluoride 99%Min - Product IdentificationCAS No.16893-85-9 H.S. Code2826.901000FormulaNa2SiF6Molecular Weight.188.06Toxicityhighly toxic to all plant and animal lifeSynonymsSodium Silicofluoride; Sodium Hexafluorosilicate;Sodium Fluosilicate; Earwig Bait; Disodium HexafluorosilicateRaw Materialsfluorosilicic acid with sodium carbonate- Physical And Chemical PropertiesPhysical State(Apperance)It is colorless hexagonal, odorless and tasteless crystal with relative density 2.679. It is hygroscopic. It is soluble in ether, insoluble in alcohol. The solubility in acid is greater than in water.It decomposes in alkaline solution and produces sodium fluoride and silicon dioxide. It is decomposed to sodium fluoride and silicon tetrafluoride by heating to 300'C. It is noxious !Specific Gravity2.679Solubility in Water0.76 g/100 ml at 25 C , 2.45 g/100 ml at 100 C- ApplicationsIt is used as antiseptic in timber industry, hygroscopic agent of acid-resisting concrete, solidifying agent in natural latex products, additive in plating with zinc, nickel, iron and filler in plastic and fluorinating agent in pharmaceuticals and drinking water. It is used to produce insecticide in pesticide industry and sodium fluoride in man-made cryolite.- SpecificationQuality StandardHG/T3252-2000AppearanceIt is colorless hexagonal, odorless and tasteless crystalPurity (NA2SIF6) DRY BASIS99.0%MinLoss on Drying At 105oC0.3%MaxFree Acid(Based on HCI)0.1%MaxWater-Insoluble Matter0.40%MaxHeave Metal(Based on Pb)0.02%MaxIron(Fe)0.02%MaxFineness(Through 250umtest bolter)90.0%Min- TransportationStorageStore at a ventilating, and dry place, keep away from food.PackingIn 25kg and 50kg plastic woven bag lined with high pressure polyethylene plastic bagHazard Class6.1UN No.2674- Other Trade InformationMin. Order Quantity :5MTSSupply Capacity30,000mts /Year Loading Capacity27mts/1080bags(1x20'FCL) Port of LoadingqingdaoPort, China Fresh StocksYes Ref.PriceUSD Shipment TimeWithin 2-3 weeks upon receipt of advance payment or L/C . Payment TimeT/T In Advance, Sight L/C, L/C 60 days after B/L date. Originzouping Sample AvailabilityYes