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15200

Sigma-Aldrich

Bis[3-(triethoxysilyl)propyl] tetrasulfide

technical, ≥90% (NMR)

Synonym(s):

TESPTS, 3,3′-Tetrathiobis(propyl-triethoxysilane)

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About This Item

Empirical Formula (Hill Notation):
C18H42O6S4Si2
CAS Number:
40372-72-3
Molecular Weight:
538.95
Beilstein:
2062235
EC Number:
254-896-5
MDL number:
MFCD00053751
UNSPSC Code:
12352103
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

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

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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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
Kumarjyoti Roy et al.
Polymers, 12(2) (2020-02-13)
In the present study, the suitability of various chemical treatments to improve the performance of jute fibers (JFs) filled natural rubber (NR) composites was explored. The surface of JFs was modified by three different surface treatments, namely, alkali treatment, combined
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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