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Tetraethyltin

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Tetraethyltin
Names
IUPAC name Tetraethyltin
Other names Tetraethyl tin
Identifiers
CAS Number
3D model (JSmol)
Abbreviations TET
ChemSpider
ECHA InfoCard 100.009.007 Edit this at Wikidata
EC Number
  • 209-906-2
MeSH Tetraethyltin
PubChem CID
UN number 3384
CompTox Dashboard (EPA)
InChI
  • InChI=1S/4C2H5.Sn/c4*1-2;/h4*1H2,2H3;Key: RWWNQEOPUOCKGR-UHFFFAOYSA-N
SMILES
  • CC(CC)(CC)CC
Properties
Chemical formula C8H20Sn
Molar mass 234.958 g·mol
Appearance Colourless liquid
Density 1.187 g cm
Melting point −112 °C (−170 °F; 161 K)
Boiling point 181 °C (358 °F; 454 K)
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxideSpecial hazards (white): no code
3 2 3
Flash point 53 °C
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Tetraethyltin or tetraethyl tin is a chemical compound with formula C
8H
20Sn and molecular structure (CH3CH2)4Sn, that is, a tin atom attached to four ethyl groups. It is an important example of an organotin compound, often abbreviated as TET.

Tetraethyltin is a colourless flammable liquid, soluble in diethyl ether and insoluble in water, that freezes at -112°C and boils at 181°C. It is used in the electronics industry.

Tetraethyltin can be obtained by reacting ethylmagnesium bromide with tin(IV) chloride:

SnCl4 + 4 (C2H5)MgBr → (CH3CH2)4Sn + 4 MgBrCl

The same reaction can be used to obtain tetra-n-propyltin and tetra-n-butyltin.

Tetraethyltin is converted in the body to the more toxic triethyltin.

See also

References

  1. ^ G. J. M. Van Der Kerk and J. G. A. Luijten (1956), "Tetraethyltin". Organic Syntheses, volume 36, page 86; Coll. Vol. 4, p.881 (1963)
  2. SAFC corp, tetraethyltin catalog page. Accessed on 2011-01-18.
  3. Jill E. Cremer (1958), "The biochemistry of organotin compounds. The conversion of tetraethyltin into triethyltin in mammals". Biochem J. volume 68, issue 4, pages 685–692. PMID 1200418


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