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52360

Sigma-Aldrich

Hexadecyltrimethoxysilane

technical, ≥85% (GC)

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Synonym(s):
Trimethoxyhexadecylsilane
Linear Formula:
H3C(CH2)15Si(OCH3)3
CAS Number:
16415-12-6
Molecular Weight:
346.62
Beilstein:
1949851
EC Number:
240-464-3
MDL number:
MFCD00069149
UNSPSC Code:
12352300
PubChem Substance ID:
57651368
NACRES:
NA.23

grade

technical

Quality Level

100

Assay

≥85% (GC)

form

liquid

impurities

isomers

refractive index

n20/D 1.44

density

0.89 g/mL at 20 °C (lit.)

SMILES string

CCCCCCCCCCCCCCCC[Si](OC)(OC)OC

InChI

1S/C19H42O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-23(20-2,21-3)22-4/h5-19H2,1-4H3

InChI key

RSKGMYDENCAJEN-UHFFFAOYSA-N

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Application

Hexadecyltrimethoxysilane (HDTMS) may be used to prepare hydrophobic silica aerogels by sol-gel process.{80} HDTMS was coated upon silica covered aluminum pigments.{81} Metal nanoparticles (CeO2, Fe2O4, TiO2, ZnO) coated with HDTMS form stable dispersions in hydrocarbon solvents. {82} HDTMS may be used to functionalize polyisocyanurate (PIR) foams {84} and graphene.{83}

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Organic modification of TEOS based silica aerogels using hexadecyltrimethoxysilane as a hydrophobic reagent
Nagaraja DH, et al.
Applied Surface Science, 253(3), 1566-1572 (2006)
Hexadecyltriethoxysilane-induced dispersions of metal oxide nanoparticles in nonpolar solvents.
Gomathi A and Rao CNR
Journal of Cluster Science, 19(1), 247-257 (2008)
Corrosion protection of aluminum pigments by sol?gel coatings
Supplit R and Schubert U
Corrosion Science, 49(8), 3325-3332 (2007)
Preparation and characterization of long-chain alkyl silane-functionalized graphene film.
Ma WS, et al.
J. Mater. Sci., 48(1), 156-161 (2013)

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