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598038

Sigma-Aldrich

1,4-Bis(triethoxysilyl)benzene

96%

Synonym(s):

BTEB

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About This Item

Linear Formula:
C6H4(Si(OC2H5)3)2
CAS Number:
Molecular Weight:
402.63
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

96%

refractive index

n20/D 1.456 (lit.)

bp

130-133 °C/0.5 mmHg (lit.)

density

1.015 g/mL at 25 °C (lit.)

SMILES string

CCO[Si](OCC)(OCC)c1ccc(cc1)[Si](OCC)(OCC)OCC

InChI

1S/C18H34O6Si2/c1-7-19-25(20-8-2,21-9-3)17-13-15-18(16-14-17)26(22-10-4,23-11-5)24-12-6/h13-16H,7-12H2,1-6H3

InChI key

YYJNCOSWWOMZHX-UHFFFAOYSA-N

Application

1,4-Bis(triethoxysilyl)benzene (BTEB) is a silicon-based nucleophile shown to be reactive in Pd-catalyzed cross-coupling reactions.
It is extensively used as a precursor in the synthesis of a variety of periodic mesoporous organosilicas (PMOs).

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

>230.0 °F - closed cup

Flash Point(C)

> 110 °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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Facile Synthesis of Yolk?Shell?Structured Triple?Hybridized Periodic Mesoporous Organosilica Nanoparticles for Biomedicine.
Teng Z, et al.
Small, 12(26), 3550-3558 (2016)
Oriented periodic mesoporous organosilica (PMO) film with organic functionality inside the channel walls.
Dag O, et al.
Advances in Functional Materials, 11(3), 213-217 (2001)
Periodic mesoporous organosilica nanoparticles with controlled morphologies and high drug/dye loadings for multicargo delivery in cancer cells.
Croissant J G, et al.
Chemistry?A European Journal , 22(28), 9607-9615 (2016)
Alexey S Vishnevskiy et al.
Materials (Basel, Switzerland), 13(20) (2020-10-15)
Organosilicate glass-based porous low dielectic constant films with different ratios of terminal methyl to bridging organic (methylene, ethylene and 1,4-phenylene) groups are spin-on deposited by using a mixture of alkylenesiloxane with organic bridges and methyltrimethoxysilane, followed by soft baking at
Periodic mesoporous organometallic silicas with unary or binary organometals inside the channel walls as active and reusable catalysts in aqueous organic reactions.
Huang J, et al.
Journal of the American Chemical Society, 132(5), 1492-1493 (2010)

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