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Tri-n-octyl-(propionyloxy)tin is an organotin compound with the chemical formula C25H49O2Sn. It is a colorless to pale yellow liquid, soluble in organic solvents and slightly soluble in water. tri-n-octyl-(propionyloxy)tin is primarily used as a catalyst in the production of polyurethane foams, serving to control the foam's density and improve its physical properties. It is also employed as a stabilizer for various polymers, including PVC, and as a biocide in antifouling paints. Due to its potential environmental and health risks, the use of organotin compounds like tri-n-octyl-(propionyloxy)tin is subject to regulations in many countries.

13784-66-2

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13784-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13784-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,8 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13784-66:
(7*1)+(6*3)+(5*7)+(4*8)+(3*4)+(2*6)+(1*6)=122
122 % 10 = 2
So 13784-66-2 is a valid CAS Registry Number.

13784-66-2Downstream Products

13784-66-2Relevant academic research and scientific papers

PROCESS FOR PRODUCTION OF DIALKYLTIN DIALKOXIDES

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Page/Page column 43, (2009/07/25)

An object of the present invention is to provide a process for producing a dialkyl tin compound from a composition of deactivated forms of a dialkyl tin catalyst, and to provide a process for producing the dialkyl tin catalyst from the dialkyl tin compound and using the dialkyl tin catalyst to produce a carbonic acid ester. According to the present invention, a process for producing a dialkyl tin compound is provided that subjects a composition of the deactivated forms of the dialkyl tin catalyst, formed when producing an ester compound, to an alkyl group redistribution reaction and/or dealkylation reaction.

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