CAS 2273-43-0


Chinese name: Butylstannic acid

Alias: 9100 catalyst, butyl stannic acid, CAS 2273-43-0, butyl stannic acid; butyl hydroxy tin oxide; monobutyl tin hydroxide; n-butyl oxyhydroxide Tin; Monobutyltin Oxide Monobutyltin Oxide; Monobutyltin Oxide; Butylstannic Acid F4100; Monobutylstannic Acid; Monohydroxybutyltin Oxide; Monohydroxybutyltin Oxide, Butyl Hydroxytin Oxide, Monobutyltin Oxide, Mono Butyl tin oxide, monobutyl tin hydroxide; butyl oxystannane; butyl enoic acid; monobutyl tin oxide, monobutyl tin oxide, monobutyl tin hydroxide oxide

English name: Butylhydroxyoxo-stannane;n-Butyltin hydroxide oxide;butyl-hydroxy-oxotin;Butyltin oxide;Monobutyltin Oxide;1-Butanestannonic acid;Butylenestannonic Acid;Butylhydroxytin oxide;Butylstannoic acid;butylstannoic acid catalyst;Butylstannonic acid;Butyltin hydroxide oxide;n-butylstannoic acid;n-butylstannonic acid;Stannane,butylhydroxyoxo

9100 catalyst CAS 2273-43-0 Butylhydroxyoxo-stannane Butylhydroxyoxo-stannane Monobutyl tin hydroxide oxide MBTO/BSA

Physical and chemical performance:

CAS 2273-43-0


Molecular formula C4H10O2SN

[EINECS number]218-880-1

[Molecular Formula] C4H10OSn

[MDL Number]MFCD00013927

[Molecular Weight] 192.83

[Boiling point] 350 °C

[Density] 1,46 g/cm3

Monobutyltin oxide, also known as monobutyltin oxide, is a white powder, insoluble in water and most solvents, but soluble in strong alkalis and mineral acids middle.


Mainly used as a catalyst for the production of polyester resins for powder coatings

Catalyst, can be used for the synthesis of saturated polyester powder coating and coil coating;

Can be used for the production of unsaturated polyester in gel coatings, sheet molding compounds and casting applications;

The catalyst can be used in the production of polymeric plasticizers.

Storage and transportation:

Should be sealed and stored in a dry, cool and ventilated warehouse.


Packing: 25Kg cardboard drum.