سدیم هیدروکساید 221465 سیگما

سدیم هیدروکساید 221465 سیگما Sodium hydroxide 221465 sigma 221465SIGMA-ALDRICH Sodium hydroxide ACS reagent, 97.0%, pellets Properties Related Categories ACS Grade Acids Bases,Acids Bases,Acids and Bases,Adsorbents, Filter Aids and Drying Agents,Analytical Reagents, More... grade ACS reagent vapor density >1 (vs air) vapor pressure <18 mmHg ( 20 C) 3 mmHg ( 37 C) InChI Key HEMHJVSKTPXQMS-UHFFFAOYSA-M assay 97.0% form pellets Show More (21) Description Packaging 1, 2.5 kg in poly bottle 12, 25, 50 kg in poly drum 25, 500, 6500 g in poly bottle Application Sodium hydroxide (NaOH) was used in the following processes: * Preparation of sodium 3,3-bis(sulfonato)-4,4-bis(chloroacetamido)azobenzene (BSBCA) that is utilized in protein cross-linking techniques.[2] * Preparation of electrolyte solution to study the effect of electrolyte composition on the conversion of CO2to CO by electrochemical reduction.[10] * Preparation of CSK (cytoskeleton) buffer for the three-dimensional (3D) slide method of preserving the 3D chromatin structure of testicular germ cells.[11] * Synthesis of ZSMs (zeolite socony mobils).[12] Sodium hydroxide may be employed for the deterimination of specific surface area of colloidal silica, via titration.[5]It may be employed for the direct oxidation of sodium borohydride, which was investigated by cyclic and linear voltammetry, chronoamperometry and chronopotentiometry.[6]It may be used to prepare citrate buffer and borate buffer.[1]It may be used in the synthesis of : * alkylaryl amidosulfobetaines[3] * (3 -[4-teroctylphenoxyethoxyethoxyethyl] dimethylammonio propane sulfonate (XOSB)[3] * trisulfobetaines (TriSBn)[3] Sodium hydroxide may be used as a base in titration methods[8], dissolution testing[13], for adjusting pH[14]and in the impinger to remove acidic gases.[8] It may be used in the following processes: * Conversion of glycerol to glyceric acid in the presence of gold catalyst.[15] * Palladium-catalyzed cross-coupling reaction between vinylalkoxysilanes and aryl bromides or chlorides to form styrenes. General description Sodium hydroxide (NaOH) also known as caustic soda is a water soluble inorganic base with a wide range of industrial application such as titration,[8]dissolution testing[13]and in impinger to remove acidic gases.[9]It participates in the oxidation of glycerol catalyzed by Au/charcoal or Au/graphite.[4]It participates in solvent-free aldol condensation reaction.[7] Legal Information Redi-Dri is a trademark of Sigma-Aldrich Co. LLC Other Notes Go to Redi-Dri(tm)Product Listing 795429