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183083

Sigma-Aldrich

Dibutyltin(IV) oxide

98%

All Photos(3)
Synonym(s):
Dibutyloxotin
Linear Formula:
(CH3CH2CH2CH2)2SnO
CAS Number:
818-08-6
Molecular Weight:
248.94
Beilstein:
4126243
EC Number:
212-449-1
MDL number:
MFCD00001992
PubChem Substance ID:
24851031
NACRES:
NA.22

Quality Level

100

Assay

98%

autoignition temp.

534 °F

mp

≥300 °C (lit.)

SMILES string

CCCC[Sn](=O)CCCC

InChI

1S/2C4H9.O.Sn/c2*1-3-4-2;;/h2*1,3-4H2,2H3;;

Inchi Key

JGFBRKRYDCGYKD-UHFFFAOYSA-N

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Dibutyltin(IV) oxide 98%

Sigma-Aldrich

183083

Dibutyltin(IV) oxide

Bis(dibutylchlorotin(IV)) oxide 98%

Sigma-Aldrich

331090

Bis(dibutylchlorotin(IV)) oxide

cis-4,7-Dihydro-1,3-dioxepin 97%

Sigma-Aldrich

310336

cis-4,7-Dihydro-1,3-dioxepin

Dibutyltin bis(acetylacetonate) 95%

Sigma-Aldrich

520586

Dibutyltin bis(acetylacetonate)

assay

98%

assay

98%

assay

97%

assay

95%

mp

≥300 °C (lit.)

mp

109-112 °C (lit.)

mp

-

mp

26 °C (lit.)

Quality Level

100

Quality Level

-

Quality Level

-

Quality Level

100

autoignition temp.

534 °F

autoignition temp.

-

autoignition temp.

-

autoignition temp.

-

General description

Dibutyltin(IV) oxide is an organotin compound that is commonly used as a Lewis acid catalyst in organic synthesis. For instance, it can be used for the formation of carbon-carbon bonds through coupling reactions and in the preparation of esters from carboxylic acids and alcohols. It also finds use in allylation reactions, cycloaddition reactions, and ring-opening polymerizations.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Muta. 2 - Repr. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 - STOT SE 1

Target Organs

thymus

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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