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Tributyltin oxide (3415 views - Material Database)

Tributyltin oxide (TBTO) is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood preservative. Its chemical formula is [ ( C 4 H 9 ) 3 Sn ] 2 O {\displaystyle {\ce {[(C4H9)3Sn]2O}}} . It has the form of a colorless to pale yellow liquid that is only slightly soluble in water (20 ppm) but highly soluble in organic solvents. It is a potent skin irritant. Tributyltin compounds had been used as marine anti-biofouling agents. Concerns over toxicity of these compounds have led to a worldwide ban by the International Maritime Organization. It is now considered a severe marine pollutant and a Substance of Very High Concern by the EU.
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Tributyltin oxide

Tributyltin oxide

Tributyltin oxide
Tributyltin oxide
Names
Other names
, bis(tri-n-butyltin)oxide, AW 75-D, Bio-Met TBTO, Biomet, Biomet 75, BTO, Butinox, C-SN-9, hexabutyldistannoxane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.000.244
KEGG
Properties
C24H54OSn2
Molar mass 596.112
Melting point −45 °C (−49 °F; 228 K)
Boiling point 180 °C (356 °F; 453 K) at 2 mm Hg
0.002 g/100 mL
Hazards
R-phrases (outdated) R21 R25 R36/38 R48/23/25 R50/53
S-phrases (outdated) S36/37/39 S45 S60 S61
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

Tributyltin oxide (TBTO) is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood preservative. Its chemical formula is . It has the form of a colorless to pale yellow liquid that is only slightly soluble in water (20 ppm) but highly soluble in organic solvents. It is a potent skin irritant.

Tributyltin compounds had been used as marine anti-biofouling agents. Concerns over toxicity of these compounds have led to a worldwide ban by the International Maritime Organization.[1] It is now considered a severe marine pollutant and a Substance of Very High Concern by the EU.[2]

  1. ^ "Focus on IMO - Anti-fouling systems" (PDF). International Maritime Organisation. 
  2. ^ Organotin Chemistry, Second Edition. Alwyn G. Davies, 2004, Wiley-VCH Verlag GmbH & Co. KGaA. ISBN 3-527-31023-1


This article uses material from the Wikipedia article "Tributyltin oxide", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

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