It is white powder, density 2.75, moisture absorptive, not soluble in alcohol, slightly soluble in water, decomposed in alkali solution, producing fluorides and silicon dioxide, decomposed into sodium fluoride and silicon tetra-fluoride when heated at 300℃.
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White crystal powder, soluble in water and acid, and not soluble in alcohol and other organic solvents.
白色结晶或粉末，溶于水和酸，不溶于醇等有机溶剂。
Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.
理化性质：白色结晶性粉末、溶于水、稀醇、液氨和二甲基甲酰胺，而不溶于乙醇、醚和丙酮。
Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.
表面活性剂铜配合物具有较好的水溶性和表面活性，不但在DM F溶剂中有效催化苯甲醇、安息香的空气氧化反应，而且在稀碱溶液中形成的金属胶束也可催化氧化苯甲醇。
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