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Properties of substance:

potassium hydrogen phthalate

Synonyms:

potassium biphthalate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

C8H5KO4

Structural formula as text:

HOOCC6H4COOK

Molar/atomic mass: 204.23

Melting point (°C):

295

Decomposition temperature (°C):

295

Solubility (g/100 g of solvent):

ethanol: sparingly soluble [Ref.]
water: 11.4 (25°C) [Ref.]
water: 56 (100°C) [Ref.]

Density:

1.63 (20°C, d4)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-462
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 2435
  3. Краткий справочник химика. - Под ред. Перельмана В.И. - М.-Л.: Химия, 1964. - pp. 188-189 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 88-89 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru