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Properties of substance:

caesium azide

Synonyms:

cesium azide

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

CsN3

Structural formula as text:

CsN3

Molar/atomic mass: 174.93

Melting point (°C):

326

Decomposition temperature (°C):

390

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: 1.0366 (16°C) [Ref.]
water: 224.2 (0°C) [Ref.]
water: 307.4 (16°C) [Ref.]

Hygroscopic:

yes

Numerical data:

Year of discovery: 1898

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

-19.6 (s)

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

134 (s)

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

83 (s)

References:

  1. Багал Л.И. Химия и технология инициирующих взрывчатых веществ. - М., 1975. - pp. 160 [Russian]
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 212-213 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 237 [Russian]
  4. Плющев В.Е., Степин Б.Д. Химия и технология соединений лития, рубидия и цезия. - М.: Химия, 1970. - pp. 107-108 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru