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Dipotassium Phosphate

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Chemical Name: Dipotassium phosphate; DKP; Dipotassium hydrogen phosphate; Potassium phosphate dibasic.
Other Chemical Name: Dipotassium phosphate trihydrate; Di-potassium hydrogen orthophosphate 3-hydrate; Di-potassium hydrogen orthophosphate trihydrate; Di-potassium hydrogen phosphate trihydrate; Di-potassium hydrogen phsophate, 3-hydrate; Sec potassium phosphate trihydrate; Potassium hydrogen phosphate; Potassium hydrogenphosphate trihydrate; Potassium phosphate 3h2o
Molecular formula: K2HPO4
Molecular weight: 116.06
CAS No.: 7758-11-4
Properties
White powder with hygroscopy.
Relative density is 2.338.
Easily soluble in water, slightly soluble in alcohol.
The solution is alkalescence, pH (1% solution) is 8.9.
Self-fluxing under high temperature.
Causing internal dehydration reaction and becoming potassium pyrophosphate under 204℃.

Items
Specifications
Appearance
White powder
Assay
98% min
P2O5
40% min
K2O
53% min
Insoluble matters in water
0.1% max
pH (1% solution)
8.7-9.3

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