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Triethyl Antimony

Triethylantimony is an organoelement compound , an alkyl derivative of antimony with the formula Sb (C 2 H 5 ) 3 , a colorless liquid, poorly soluble in water, oxidized in air with self-ignition.

Triethyl Antimony
General
Systematic
name
Triethyl Antimony
Chem. formulaSb (C 2 H 5 ) 3
Physical properties
conditioncolorless liquid
Molar mass208.94 g / mol
Density1,324 g / cm³
Thermal properties
T. melt.-29 ° C
T. bale.158.5; 159.5; 161.4 ° C
Classification
Reg. CAS number617-85-6
PubChem
Reg. EINECS number
Smiles
Inchi
ChemSpider

Getting

  • Interaction of potassium antimonide with ethyl iodide :
K3Sb+3C2H5I→Sb(C2H5)3+KI{\ displaystyle {\ mathsf {K_ {3} Sb + 3C_ {2} H_ {5} I \ {\ xrightarrow {}} \ Sb (C_ {2} H_ {5}) _ {3} + KI}}}  
  • The effect of Grignard reagent on antimony (III) chloride :
2SbCl3+6C2H5MgBr→2Sb(C2H5)3+3MgCl2+3MgBr2{\ displaystyle {\ mathsf {2SbCl_ {3} + 6C_ {2} H_ {5} MgBr \ {\ xrightarrow {}} \ 2Sb (C_ {2} H_ {5}) _ {3} + 3MgCl_ {2} + 3MgBr_ {2}}}}  
  • Reduction of triethylantimony dibromide with zinc :
Sb(C2H5)3Br2+Zn→Sb(C2H5)3+ZnBr2{\ displaystyle {\ mathsf {Sb (C_ {2} H_ {5}) _ {3} Br_ {2} + Zn \ {\ xrightarrow {}} \ Sb (C_ {2} H_ {5}) _ {3 } + ZnBr_ {2}}}}  

Physical Properties

Triethyl antimony is a colorless liquid, insoluble in water, soluble in benzene .

Chemical Properties

  • It is oxidized by oxygen with autoignition:
2Sb(C2H5)3+O2→2Sb(C2H5)3O{\ displaystyle {\ mathsf {2Sb (C_ {2} H_ {5}) _ {3} + O_ {2} \ {\ xrightarrow {}} \ 2Sb (C_ {2} H_ {5}) _ {3} O}}}  
  • Reacts with halogens :
Sb(C2H5)3+Cl2→Sb(C2H5)3Cl2{\ displaystyle {\ mathsf {Sb (C_ {2} H_ {5}) _ {3} + Cl_ {2} \ {\ xrightarrow {}} \ Sb (C_ {2} H_ {5}) _ {3} Cl_ {2}}}}  
  • and alkyl halogens:
Sb(C2H5)3+C2H5I→Sb(C2H5)fourI{\ displaystyle {\ mathsf {Sb (C_ {2} H_ {5}) _ {3} + C_ {2} H_ {5} I \ {\ xrightarrow {}} \ Sb (C_ {2} H_ {5} ) _ {4} I}}}  

Literature

  • Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1995. - T. 4. - 639 p. - ISBN 5-82270-092-4 .
  • Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1971. - T. 1. - 561 p.


Source - https://ru.wikipedia.org/w/index.php?title= Triethyl antimony&oldid = 64476784


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