183083

Dibutyltin(IV) oxide

98%

• 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
• UNSPSC Code: 12352103
• PubChem Substance ID: 24851031
• NACRES: NA.22

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H302,H315,H317,H318,H341,H360,H370,H372,H411
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P311
• 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