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34980

Sigma-Aldrich

Dibutyltin(IV) oxide

purum

Synonym(s):
Dibutyloxotin
Linear Formula:
(CH3CH2CH2CH2)2SnO
CAS Number:
Molecular Weight:
248.94
Beilstein:
4126243
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

purum

Quality Level

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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Application

Dibutyltin(IV) oxide (Bu2SnO) can be used as a reagent to prepare:
  • Substituted oxazoles via reaction of dibutyltin diacylates with 1-substituted acetylenes and trimethylsilyl azide.
  • Triazolyl-substituted benzyloxyacetohydroxamic acids as potential LpxC inhibitors.

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

Certificate of Analysis

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Certificate of Origin

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