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Sigma-Aldrich

Dibutyltin dilaurate

95%

Synonym(s):

DBTDL

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About This Item

Linear Formula:
(CH3CH2CH2CH2)2Sn[OCO(CH2)10CH3]2
CAS Number:
Molecular Weight:
631.56
Beilstein/REAXYS Number:
4156980
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

0.2 mmHg ( 160 °C)

Quality Level

assay

95%

refractive index

n20/D 1.471 (lit.)

density

1.066 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC

InChI

1S/2C12H24O2.2C4H9.Sn/c2*1-2-3-4-5-6-7-8-9-10-11-12(13)14;2*1-3-4-2;/h2*2-11H2,1H3,(H,13,14);2*1,3-4H2,2H3;/q;;;;+2/p-2

InChI key

UKLDJPRMSDWDSL-UHFFFAOYSA-L

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General description

Dibutyltin dilaurate, also known as dibutyltin didodecanoate, is a dibutyltin laurate hydroxide intermediate that is commonly used as a catalyst. It is also used in the transesterification reaction.

Application

Dibutyltin dilaurate is used as a catalyst in:
  • The synthesis of polyurethane (PU) and polyhydroxyurethane (PHU) prepolymers and lignin urethane.
  • A protocol for the covalent attachment of poly(ethylene glycol) (PEG) to silicon oxide to form a hydrophilic non-fouling surface.
  • Preparation of polymers by reacting hydroxyl-terminated macromonomers and aliphatic diisocyanates.

signalword

Danger

Hazard Classifications

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

target_organs

thymus, thymus,Immune system

wgk_germany

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Derivatization of pillared silicon substrates using poly (ethylene glycol) and 1-dodecanethiol.
White A
Journal of undergraduate neuroscience education : JUNE : a publication of FUN, Faculty for Undergraduate Neuroscience, 7(1), 91-98 (2007)
Preparation of polyurethane/acrylic hybrid nanoparticles via a miniemulsion polymerization process.
Li M
Macromolecules, 38(10), 4183-4192 (2005)
Mei Li et al.
ACS omega, 5(1), 529-536 (2020-01-21)
A tung-oil-based polyphenol (ATOM), containing the phenolic hydroxyl group, was synthesized from tung oil and 4-maleimidophenol by the Diels-Alder addition reaction. Then self-healing thermosetting polyurethanes were prepared from ATOM and the polyurethane prepolymer. The chemical structure and cross-link network were
High bio-content polyurethane composites with urethane modified lignin as filler
Chaoqun Z,et al.
Polymer, 69, 52-57 (2015)
Self-assembled supramolecular hydrogels formed by biodegradable PEO?PHB?PEO triblock copolymers and ?-cyclodextrin for controlled drug delivery.
Li J
Biomaterials, 27(22), 4132-4140 (2006)

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