Tetrabutyltin

Tetrabutyltin (also tetra-n-butyltin and tetra-n-butylstannane) is a stable organotin compound and combustible, colourless liquid at room temperature. It is incompatible with strong oxidizing agents. It has the molecular formula C16H36Sn. Sometimes the abbreviation SnBu4 and TTBT are used.

Tetrabutyltin
Names
IUPAC name
tetrabutyltin, tetrabutylstannane
Other names
Tetra-n-butyltin
Tetra-n-butylstannane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.014.510
UNII
Properties
C16H36Sn
Molar mass 347.147 g/mol
Appearance Colourless liquid
Density 1.054 g/cm3
Melting point −97 °C (−143 °F; 176 K)
Boiling point 245 °C (473 °F; 518 K)
insoluble
Solubility non-polar solvents such as benzene, ether, or THF[1]
Hazards
Safety data sheet Tetrabutyltin
GHS pictograms
GHS Signal word Danger
GHS hazard statements
H301, H312, H315, H319, H410
P273, P280, P301+310+330, P302+352+312, P305+351+338, P314[2]
Flash point 107 °C (225 °F; 380 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Tetrabutyltin is the starting material of the tributyltin and dibutyltin compounds. It is produced by the reaction of tin(IV) chloride with 1-chlorobutane. This reaction involves either the Grignard reaction, the Wurtz reaction, or butyl aluminium compounds. Pure SnBu4 can be mixed with tin(IV) chloride to form tributyltin chloride and dibutyltin chloride. These tin compounds are starting materials for a wide range of organotin compounds used as stabilizers for PVC, biocides, fungicides, and anti-biofouling agents.[3]

References

  1. https://www.gelest.com/themencode-pdf-viewer/?file=https://www.gelest.com/wp-content/uploads/13Tin.pdf
  2. Sigma-Aldrich Co., Tetrabutyltin. Retrieved on 2020-06-28.
  3. Hoch, M. (2001). "Organotin compounds in the environment — an overview". Applied Geochemistry. 16 (s 7–8): 719–743. doi:10.1016/S0883-2927(00)00067-6.
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