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Sigma-Aldrich

Dodecyltriethoxysilane

technical

Synonym(s):

1-(Triethoxysilyl)dodecane, Dodecyltriethoxysilane, Triethoxydodecylsilane

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About This Item

Empirical Formula (Hill Notation):
C18H40O3Si
CAS Number:
18536-91-9
Molecular Weight:
332.59
Beilstein:
2414223
EC Number:
242-409-9
MDL number:
MFCD00048437
UNSPSC Code:
12352103
PubChem Substance ID:
57650220
NACRES:
NA.23

grade

technical

form

liquid

density

0.875 g/mL at 20 °C (lit.)

SMILES string

CCCCCCCCCCCC[Si](OCC)(OCC)OCC

InChI

1S/C18H40O3Si/c1-5-9-10-11-12-13-14-15-16-17-18-22(19-6-2,20-7-3)21-8-4/h5-18H2,1-4H3

InChI key

YGUFXEJWPRRAEK-UHFFFAOYSA-N

General description

Dodecyltriethoxysilane (DTES) is an organosilane, which is used as a coupling agent. It forms alkylsiloxane based films that can be used to tune the wettability and facilitate a variety of surfaces with hydrophobicity.
Reaction between dodecene and triethoxysilane yields dodecyltriethoxysilane. 1

Application

A study reports the use of dodecyltriethoxysilane to form a silica nanofluid which alters the water contact angle of an oil-wet carbonate substrate. {68}
Dodecyltriethoxysilane can be used in the surface treatment of calcite crystals for the determination of the effect of wettability with the incorporation of nanoparticles. It may be electrodeposited with tetraethoxysilane, which can be used as an anti-corrosive coating on mild steel.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Corrosion protection of mild steel by one-step electrodeposition of superhydrophobic silica film.
Wu L, et al.
Corrosion Science, 85(1), 482-487 (2014)
Chih-Feng Wang et al.
Scientific reports, 10(1), 12769-12769 (2020-07-31)
Effective water use is currently a critical global challenge needed to prevent water shortages and has attracted significant research attention. The realization of solar-driven water evaporation by using effective converters has attracted considerable attention in recent years owing to its
Wettability alteration of oil-wet limestone using surfactant-nanoparticle formulation.
Nwidee LN, et al.
Journal of Colloid and Interface Science, 504(1), 334-345 (2017)
Andrea Pastore et al.
Sensors (Basel, Switzerland), 20(21) (2020-10-30)
A pH colorimetric sensor array was prepared and characterized by combining tetrabromophenol blue (TBB) and bromothymol blue (BB) embedded in organically modified silicate (OrMoSil) spots polyvinylidene fluoride (PVDF)-supported. The signal was based on the Hue profile (H). The individual calibrations
Hydrophobic monolayer preparation by Langmuir-Blodgett and chemical adsorption techniques.
Paso K, et al.
Journal of Colloid and Interface Science, 325(1), 228-235 (2008)
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