Usage of sodium Dihydrogen Phosphate Anhydrous

  • Author:Kathy
  • Release on :2016-05-17

   Easy weathering, Dihydrogen Phosphate Anhydrous in air at room temperature when placed in the air lost about five water of crystallization and form seven water content, lose all when heated to 100 ℃ water of crystallization and anhydride, 250 ℃ when the decomposed into sodium pyrophosphate. Easy weathering in the air, and easy to lose five crystallization water molecules to form a seven water content (Na2HPO4. H2o 7). Soluble in water, insoluble in alcohol. Aqueous solution is slightly alkaline reaction (0.1 1 n solution PH 9.0). In 100 ℃ water of crystallization anhydride, lost 250 ℃ is decomposed into sodium pyrophosphate. 1% aqueous solution of the pH value of 8.8 ~ 9.2; Insoluble in alcohol. 35.1 ℃ melting and lose five water of crystallization.


   Disodium hydrogen phosphate can be used in the production of citric acid, water softener, fabric weight, fire retardant, and used in glazes, welding flux, medicine, pigment, food industry and making other phosphates used as industrial water treatment agent, printing and dyeing detergent cultivate agent, quality improver, neutralizer, antibiotics, biochemical treatment food quality improver.


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