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Potassium hydrogen phosphate trihydrate (K2HPO4•3H2O)- Crystalline

Potassium hydrogen phosphate trihydrate (K2HPO4•3H2O)- Crystalline

CAS: 16788-57-1
Molecular Formula: K2HPO4•3H2O
Purity: 99.9%
Products Code: TR1901150800CY
Specification Model: -100 Mesh.etc
EINECS No.: 231-834-5
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Potassium hydrogen phosphate trihydrate (K2HPO4•3H2O)- Crystalline introduce:

Characteristic




Dipotassium phosphate (K2HPO4) (also dipotassium hydrogen orthophosphate; potassium phosphate dibasic) is the inorganic compound with the formula K2HPO4.(H2O)x (x = 0, 3, 6). 




Chemical formula:K2HPO4

Molar mass:174.2 g/mol

Appearance:white powder deliquescent

Odor:odorless

Density:2.44 g/cm3

Melting point:> 465 °C (869 °F; 738 K) decomposes

Solubility in water:149.25 g/100 mL (20 °C)

Solubility:slightly soluble in alcohol

Acidity (pKa):12.4

Basicity (pKb):6.8




Application




Potassium hydrogen phosphate is used as a fertilizer, food additive, buffering agent, in molecular biology, biochemistry and chromatography. It is useful to increase the partition coefficients of amino acids in aqueous two-phase systems. It plays an important role for increase in rice grain yield by spraying chemicals including ferric chloride, di-potassium hydrogen phosphate and salicylic acid.
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