 More ... hite Sodium Silicate Powder - Water Soluble for Concrete Strengthening/Detergent FormulaProduct Description Sodium silicate, commonly known as sodium silicate, is a water-soluble silicate. Its aqueous solution is commonly known as water glass, which is a mineral adhesive. Its chemical formula is R2O·nSiO2, where R2O is an alkali metal oxide and n is the ratio of the molar number of silicon dioxide to the alkali metal oxide, which is called the molar number of water glass. The water glass commonly used in construction is an aqueous solution of sodium silicate (Na2O·nSiO2). The proportion of quartz sand and alkali, that is, the molar ratio of SiO2 and Na2O, determines the modulus n of sodium silicate. The modulus shows the composition of sodium silicate. The modulus is an important parameter of sodium silicate, generally between 1.5 and 3.5. The larger the modulus, the more difficult it is for solid sodium silicate to dissolve in water. Specification Melting point1410°C (lit.)Boiling point2355°C (lit.)Density2.33g/mLat25°C (lit.)Refractive index1.520Storage conditions-20°CSolubilitySoluble in waterPhysicalityPowderColorColorlessOdor (Odor)OdorlessPH value13.5 (20°C in H2O)Biological sourcemouseWater solubilityvery slightly soluble cold H2O [MER06 Chemical book]Dielectric constant16.0 (Ambient)StabilityStable. Incompatible with acids, most metals and many organic materials.CAS database1344-09-8 (CAS Data Base Reference)
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