... strong alkalinity and good buffering ability Product Name: Sodium Metasilicate PentahydrateCAS No.: 10213-79-3Molecular Formula: ... deterge, emulsifying, dispersing, wetting, penetrability and pH buffering.Specification:AppearanceWhite crystalline powderNa2O, %28.0-30.0SiO2, %27 ... insolubility, %0.30 max.Whiteness,%75 min.Applications:Sodium metasilicate has strong alkalinity and good buffering ability. ...