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Properties of substance:

ammonium fluoroborate

Synonyms:

ammonium tetrafluoroborate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

H4BF4N

Structural formula as text:

NH4BF4

Molar/atomic mass: 104.86

Sublimation point (°C):

350

CAS №: 13826-83-0

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
benzene: insoluble [Ref.]
chloroform: insoluble [Ref.]
ethanol: 0.7 (20°C) [Ref.]
pyridine: insoluble [Ref.]
water: 12.2 (0°C) [Ref.]
water: 25 (16°C) [Ref.]
water: 44.09 (50°C) [Ref.]
water: 67.5 (75°C) [Ref.]
water: 95 (100°C) [Ref.]

Density:

1.851 (17°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1aster, Ref.2]
    2NH4HF2 + H3BO3 → NH4BF4 + NH3 + 3H2O

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-48
  2. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 23
  3. Гудлицкий М. Химия органических соединений фтора. - М.: ГНТИХЛ, 1961. - pp. 45 [Russian]
  4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 100-101 [Russian]
  5. Фториды аммония. - М., 1988. - pp. 79-80 [Russian]
  6. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 204 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru