Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

183083

Sigma-Aldrich

Dibutyltin(IV) oxide

98%

Synonym(s):

Dibutyloxotin

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
(CH3CH2CH2CH2)2SnO
CAS Number:
818-08-6
Molecular Weight:
248.94
Beilstein:
4126243
EC Number:
212-449-1
MDL number:
MFCD00001992
UNSPSC Code:
12352103
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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which 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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCV5615
MKCC2222
MKBZ5844V
MKBX2750V
MKBW3714V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Shao-Min Wang et al.
Carbohydrate research, 346(2), 203-209 (2010-12-28)
The reaction process for the selective deprotection of acetylated glucosides by dibutyltin oxide in methanol is investigated by using methyl 2,3,4,6-tetra-O-acetyl-α-d-glucopyranoside as a model substrate with ESIMS and NMR techniques. According to the results, it is inferred that at first
Synthesis of the alpha-Neu5Ac-(2----6)-Gal structure. Facile 6-O-sialylation following stannylene activation of an unprotected D-galactopyranoside.
T Murase et al.
Carbohydrate research, 195(1), 134-137 (1989-12-21)
[Experimental toxicity of indium formate and indium formate- dibutyltin oxide mixture (90-10) in the rat].
J P Anger et al.
Journal de toxicologie clinique et experimentale, 8(4), 273-288 (1988-07-01)
Hong-Min Liu et al.
Carbohydrate research, 337(19), 1763-1767 (2002-11-09)
A mild and efficient neutral method for the cleavage of O-acetyl groups with dibutyltin oxide has been developed. This method is especially useful in the synthesis of glycosides containing base- or acid-sensitive multifunctional groups.
Y Ishido et al.
Nucleic acids symposium series, (8)(8), s7-s8 (1980-01-01)
For partial phenylcarbamoylation of the hydroxy-groups of ribonucleosides, dibutyltin oxide--phenyl isocyanate system was found to be surperior to the bis(tributyltin) oxide--phenyl isocyanate system from the standpoint of reaction procedures including isolation of the products; the reaction was proved to occur
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service