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Sodium Acetylenide

Sodium acetylenide is an inorganic compound, monosubstituted sodium acetylenide with the formula NaHC 2 , colorless crystals, reacts with water.

Sodium Acetylenide
General
Systematic
name
Sodium Acetylenide
Traditional namesSodium Acetylenide
Chem. formulaNaHC 2
Physical properties
conditioncolorless crystals
Molar mass48.02 g / mol
Density1.33 g / cm³
Thermal properties
T. decomp.145 ° C
Enthalpy of Education96 kJ / mol
Classification
Reg. CAS number
PubChem
Reg. EINECS number
Smiles
Inchi
Chebi
ChemSpider

Content

  • 1 Receiving
  • 2 Physical properties
  • 3 Chemical properties
  • 4 Literature

Getting

  • Passing acetylene through a solution of sodium in ammonia ::
2Na+3H2C2→-40oC2NaHC2+C2Hfour↑{\ displaystyle {\ mathsf {2Na + 3H_ {2} C_ {2} \ {\ xrightarrow {-40 ^ {o} C}} \ 2NaHC_ {2} + C_ {2} H_ {4} \ uparrow}}}  

Physical Properties

Sodium acetylenide forms colorless crystals of tetragonal syngony , space group P 4 / nmm , cell parameters a = 0.382 nm, c = 0.817 nm, Z = 2.

Chemical Properties

  • It decomposes on heating in vacuo to form disodium acetylenide :
2NaHC2→145oCNa2C2+H2C2↑{\ displaystyle {\ mathsf {2NaHC_ {2} \ {\ xrightarrow {145 ^ {o} C}} \ Na_ {2} C_ {2} + H_ {2} C_ {2} \ uparrow}}}  

Literature

  • Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - T. 3. - 639 p. - ISBN 5-82270-039-8 .
  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
  • Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - M .: Mir, 1985 .-- T. 3 .-- 392 p.



Source - https://ru.wikipedia.org/w/index.php?title= Sodium Acetylenide&oldid = 80360580


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