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Tributyltin oxide

Tributyltin oxide
Product Details

English name: Bis(tri-n-butyltin) oxide

English alias: Hexabutyldistannoxane; Tributyltin (IV) oxide

Molecular formula: C 24 H 54 0Sn 2

Molecular weight: 596.08

CAS No.: 56-35-9

MDL number: MFCD00009418

Beilstein number: 745057

EC number: 200-268-0

Quality Index:

Colorless or light yellow liquid

Specific gravity d (25 ° C): 1.165-1.175

Refractive index n (25 ° C): 1.480-1.490


For the synthesis of α,β-unsaturated methyl ketone, isoxazole, fungicide and bactericide, tributyltin oxide has high biological activity, used as disinfectant and anti-mold agent.

Widely used in wood anti-corrosion, ship paint, etc.; used as a protective agent in wood, paper, textile, painting and other industries.

It is used as a fungicide in agriculture and has strong bactericidal properties.

Also used as a catalyst in the polymerization.

This substance has been included in the first batch of 15 substances of high concern (REACH) by the EU REACH Directive.

Packing: 50KG/barrel, /200KG/barrel


Tributyltin oxide is highly toxic and should be washed thoroughly with water and soap if it is accidentally applied to clothing or skin.

Non-corrosive; chemically reacts with acids; cannot be mixed with acidic chemicals.

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