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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:
40372-72-3
Molecular Weight:
538.95
Beilstein:
2062235
EC Number:
254-896-5
MDL number:
MFCD00053751
PubChem Substance ID:
329750768
NACRES:
NA.22

grade

technical

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.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

212.0 °F - closed cup

Flash Point(C)

100 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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The use of a silanised silica filler to reinforce and crosslink natural rubber.
Ansarifar, A et al.
International Journal of Adhesion and Adhesives, 25(1), 77-86 (2005)
Bo Chen et al.
Scientific reports, 5, 9017-9017 (2015-03-13)
There is no effective strategy for the treatment of spinal cord injury (SCI). An appropriate combination of hydrogel materials and neurotrophic factor therapy is currently thought to be a promising approach. In this study, we performed experiments to evaluate the
Yan He et al.
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
Large-Pore Ultrasmall Mesoporous Organosilica Nanoparticles: Micelle/Precursor Co-templating Assembly and Nuclear-Targeted Gene Delivery.
Wu, Meiying et al.
Advanced Materials, 27(2), 215-222 (2015)
Thioether-bridged Mesoporous Organosilicas: Mesophase Transformations Induced by the Bridged Organosilane Precursor.
Liu, et al.
Advances in Functional Materials, 17(4), 569-576 (2007)
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