Borax 1.Borax pentahydrate cas 12179-04-3 2.Borax decahydrate food grade 3.Borax decahydrate granular 4.Borax anhydrous Borax1.Chara…
Borax 1.Borax pentahydrate cas 12179-04-3 2.Borax decahydrate food grade 3.Borax decahydrate granular 4.Borax anhydrous Borax1.CharactersSynonym Sodium tetraborate,pentahydrateMolecular Formula Na2B4O7·5H2O,Na2B4O7·10H2OMolecular Weight291.29,381.36CAS No. 12179-04-3,1303-96-42.Property1.colorless semitransparent crystal or white single slant crystal powder. No smell, taste salty, easily soluble with glycerin, water, slightly soluble in ethanol, not soluble in acid, water solution appears as alkaline.2.White crystal powder. Effloresce in dry air. It’s easily soluble in water and glycerin, water solution is alkali. not soluble with alcohol and acidity. when heated to 100°C, loss 5H2O, up to 350°C-400°C, loss hydrate absolutely. Melting point75°C.3.SpecificationBorax PentahydrateB2O348.5%MinNa2O21.5%MinSO40.061%MaxCl0.00015%MaxFe0.0003%MaxWater Insoluble Matter0.013%MaxBorax DecahydrateNa2B4O7·10H2O99.5% Min95% MinCO20.1% Max0.2% MaxInsoluble in water0.04% Max0.04% MaxSO42-0.1% Max0.2% MaxCl-0.03% Max0.05% MaxFe0.002% Max0.005% MaxB2O336.3% Max36.3% Max4.PackingNet each in 25kg plastic woven bag, lined with PE bag.5.Usagemainly used for glass and porcelain enamel industry. In glass industry, it can enhance transparency and heat-resistant property. In porcelain enamel products, it c...BBorax1.Borax pentahydrate cas 12179-04-32.Borax decahydrate food grade3.Borax decahydrate granular4.Borax anhydrous Borax1.CharactersSynonym Sodium tetraborate,pentahydrateMolecular Formula Na2B4O7·5H2O,Na2B4O7·10H2OMolecular Weight291.29,381.36CAS No. 12179-04-3,1303-96-42.Property1.colorless semitransparent crystal or white single slant crystal powder. No smell, taste salty, easily soluble with glycerin, water, slightly soluble in ethanol, not soluble in acid, water solution appears as alkaline.2.White crystal powder. Effloresce in dry air. It’s easily soluble in water and glycerin, water solution is alkali. not soluble with alcohol and acidity. when heated to 100°C, loss 5H2O, up to 350°C-400°C, loss hydrate absolutely. Melting point75°C.3.SpecificationBorax PentahydrateB2O348.5%MinNa2O21.5%MinSO40.061%MaxCl0.00015%MaxFe0.0003%MaxWater Insoluble Matter0.013%MaxBorax DecahydrateNa2B4O7·10H2O99.5% Min95% MinCO20.1% Max0.2% MaxInsoluble in water0.04% Max0.04% MaxSO42-0.1% Max0.2% MaxCl-0.03% Max0.05% MaxFe0.002% Max0.005% MaxB2O336.3% Max36.3% Max4.PackingNet each in 25kg plastic woven bag, lined with PE bag.5.Usagemainly used for glass and porcelain enamel industry. In glass industry, it can enhance transparency and heat-resistant property. In porcelain enamel products, it can make enamel not easy to fall off and with luster. It also widely used in optics glass, glass fiber, colored metal as jointing agent, cohering agent for jewelry, printing and dyeing, detergent, refined gold, cosmetics, pesticide, fertilizer, borax soap, antiseptic, antifreeze, and in pharmaceuticals as disinfectors etc. It’s also one of basic raw material for making other boric compound.
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