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Sigma-Aldrich

Bis[3-(triethoxysilyl)propyl] tetrasulfide

technical, ≥90% (NMR)

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Synonym(s):
TESPTS, 3,3′-Tetrathiobis(propyl-triethoxysilane)
Empirical Formula (Hill Notation):
C18H42O6S4Si2
CAS Number:
Molecular Weight:
538.95
Beilstein:
2062235
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

grade

technical

Quality Level

Assay

≥90% (NMR)

form

liquid

refractive index

n20/D 1.49

density

1.08 g/mL at 20 °C (lit.)

SMILES string

CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC

InChI

1S/C18H42O6S4Si2/c1-7-19-29(20-8-2,21-9-3)17-13-15-25-27-28-26-16-14-18-30(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3

InChI key

VTHOKNTVYKTUPI-UHFFFAOYSA-N

Related Categories

Application

Bis[3-(triethoxysilyl)propyl] tetrasulfide (TESPTS) is generally used as a crosslinking agent and reinforcing filler in the manufacturing of rubber. TESPT film provides corrosion protection to the metallic substrates. It is also used as a precursor in the synthesis of mesoporous organosilicas.

WGK

WGK 1

Flash Point(F)

212.0 °F

Flash Point(C)

100 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Modification of bis-silane solutions with rare-earth cations for improved corrosion protection of galvanized steel substrates.
Montemor, MF et al.
Progress in Organic Coatings, 57(1), 67-77 (2006)
Bo Chen et al.
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Colloids and surfaces. B, Biointerfaces, 187, 110653-110653 (2019-12-04)
Chlorhexidine (CHX) is a widely used antiseptic in various infection control practices. In this work, we have developed biodegradable mesoporous organosilica nanoparticles (MONs) through a one-pot synthesis by employing CHX as a bifunctional agent that not any acts as a
Thioether-bridged Mesoporous Organosilicas: Mesophase Transformations Induced by the Bridged Organosilane Precursor.
Liu, et al.
Advances in Functional Materials, 17(4), 569-576 (2007)
Elkid Cobani et al.
Nanomaterials (Basel, Switzerland), 9(4) (2019-04-03)
Sepiolite (Sep)⁻styrene butadiene rubber (SBR) nanocomposites were prepared by using nano-sized sepiolite (NS-SepS9) fibers, obtained by applying a controlled surface acid treatment, also in the presence of a silane coupling agent (NS-SilSepS9). Sep/SBR nanocomposites were used as a model to

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