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52360

Sigma-Aldrich

Hexadecyltrimethoxysilane

technical, ≥85% (GC)

Synonym(s):

Trimethoxyhexadecylsilane

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About This Item

Linear Formula:
H3C(CH2)15Si(OCH3)3
CAS Number:
16415-12-6
Molecular Weight:
346.62
Beilstein/REAXYS Number:
1949851
EC Number:
240-464-3
MDL number:
MFCD00069149
UNSPSC Code:
12352300
PubChem Substance ID:
57651368

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}

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

247.1 °F

flash_point_c

119.5 °C

ppe

Eyeshields, 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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Preparation and characterization of long-chain alkyl silane-functionalized graphene film.
Ma WS, et al.
J. Mater. Sci., 48(1), 156-161 (2013)
Hexadecyltriethoxysilane-induced dispersions of metal oxide nanoparticles in nonpolar solvents.
Gomathi A and Rao CNR
Journal of Cluster Science, 19(1), 247-257 (2008)
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)
Liquid nucleating additives for improving thermal insulating properties and mechanical strength of polyisocyanurate foams.
Kang MJ, et al.
J. Mater. Sci., 45(19), 5412-5419 (2010)
Corrosion protection of aluminum pigments by sol?gel coatings
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Corrosion Science, 49(8), 3325-3332 (2007)

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Bio-Inspired “Green” Synthesis of Nanomaterials and their Applications

Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, catalyst supports, separation media, carriers in food and agriculture, and abrasive/anticaking agents in cosmetics. It is also widely believed to be an important material for biomedical applications for following reasons.

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