Main page (Russian) Search in database (English)

Properties of substance:

cyanogen bromide

Synonyms:

BK

Group of substances:

inorganic

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

CBrN

Structural formula as text:

BrCN

Molar/atomic mass: 105.921

Melting point (°C):

52

Boiling point (°C):

61.3

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
carbon disulphide: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: slightly soluble [Ref.]

Numerical data:

Year of discovery: 1827

Density:

2.015 (20°C, g/cm3)

Reactions of synthesis:

  1. Yeild 90%. [Ref.1aster, Ref.2aster]
    KCN + Br2 → BrCN + KBr
  2. Yeild 100%. [Ref.1]
    KSCN + 8Br2 + 4H2O → BrCN + KBr + H2SO4 + 6HBr
  3. Yeild 90%. [Ref.1aster, Ref.2aster, Ref.3aster, Ref.4aster]
    NaCN + Br2 → BrCN + NaBr

Vapour pressure (Torr):

21 (0°C)
63 (15°C)
119.5 (25°C)
223.5 (35°C)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

186.2 (g)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

165.3 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

248.3 (g)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

46.9 (g)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

140.5 (s)

References:

  1. Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 172
  2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-19
  3. Clarke's Analysis of Drugs and Poisons. - 4 ed. - London, 2011. - pp. 1173
  4. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 589
  5. The Merck Index 11th ed., Merck & Company, 1989. - pp. 420
  6. Лос К. Синтетические яды. - М.: ИИЛ, 1963. - pp. 57 [Russian]
  7. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 523 [Russian]

    Your requests if no data into database




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru