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Property of Disodium Hydrogen Phosphate

  • Author:Ray Dean
  • Source:www.oceanchinachem.com
  • Release on :2016-06-30

Disodium hydrogen phosphate, white powder, flake or particulate matter. Lost easily weathered in the air, at room temperature when placed in the air, losing about five crystal water formed by seven water was heated to 100 , all crystal water from Anhydrous, decompose into sodium pyrophosphate at 250 . Efflorescent in air, easily losing five crystal water molecules were formed by seven water (Na2HPO4.7H2O). Soluble in water, insoluble in alcohol. The reaction solution was slightly alkaline (PH 0.1-1N solution was about 9.0). Crystallization of water lost from Anhydrous at 100 , 250 when broken down into sodium pyrophosphate. pH 1% aqueous solution is 8.8 to 9.2; insoluble in alcohol. Melting and losing five crystal water at 35.1 .

 

Disodium hydrogen phosphate can be used to produce citric acid, water softener, fabric weighting agents, fire retardants, and for glaze, welding, pharmaceutical, paint, food industry and other phosphate preparation used for industrial water treatment agent, printing and dyeing detergents, quality improver, a neutralizing agent, an antibiotic agent culture, biochemical treatment agent food quality improver.

 

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