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15200

Bis[3-(triethoxysilyl)propyl] tetrasulfide

Name: Bis[3-(triethoxysilyl)propyl] tetrasulfide
Brand: ALDRICH

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

UNSPSC Code:

12352103

NACRES:

NA.22

PubChem Substance ID:

329750768

EC Number:

254-896-5

Beilstein/REAXYS Number:

2062235

MDL number:

MFCD00053751

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Properties

grade

technical

Quality Segment

200

assay

≥90% (NMR)

form

liquid

refractive index

n20/D 1.49

density

1.08 g/mL at 20 °C (lit.)

functional group

tetrasulfide, trisulfide

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

Description

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

10 - Combustible liquids

wgk

WGK 1

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

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