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Properties of substance:

sodium dihydrogen phosphate dihydrate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

Empirical formula (Hill's system for organic substances):

H6NaO6P

Structural formula as text:

NaH2PO4 * 2H2O

Molar/atomic mass: 156.01

Melting point (°C):

40.8

Decomposition temperature (°C):

55

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: 57.7 (0°C) [Ref.]
water: 69.9 (10°C) [Ref.]
water: 85.2 (20°C) [Ref.]
water: 94.6 (25°C) [Ref.]
water: 106.4 (30°C) [Ref.]
water: 138.2 (40°C) [Ref.]
water: 158.6 (50°C) [Ref.]
water: 179.3 (60°C) [Ref.]
water: 207.3 (80°C) [Ref.]
water: 248.4 (100°C) [Ref.]

Density:

1.91 (20°C, g/cm3)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 168-169 [Russian]
  2. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 138 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 86 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru