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Safety Information

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:
2615-18-1
Molecular Weight:
402.63
MDL number:
MFCD05664351
UNSPSC Code:
12352103
PubChem Substance ID:
24881732
NACRES:
NA.22

Quality Level

100

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

598038-BULK:
598038-5G:
598038-VAR:
598038-20G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCJ1551
SHBK2406
SHBK1173
SHBH9183
SHBH1135V

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Spherical particles of phenylene?bridged periodic mesoporous organosilica for high?performance liquid chromatography.
Rebbin V, et al.
Angewandte Chemie (International Edition in English), 45(31), 5210-5214 (2006)
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)
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)
Facile Synthesis of Yolk?Shell?Structured Triple?Hybridized Periodic Mesoporous Organosilica Nanoparticles for Biomedicine.
Teng Z, et al.
Small, 12(26), 3550-3558 (2016)
Manik Mandal et al.
Journal of colloid and interface science, 524, 445-455 (2018-04-21)
Bridged-organosilica nanotubes with a variety of bridging groups (methylene, ethylene, ethenylene, phenylene and p-xylylene) were synthesized using swollen mixtures of Pluronic triblock copolymer surfactants as micellar templates. The mixtures consisted of Pluronic F127 surfactant (EO106PO70EO106) with long poly(ethylene oxide), PEO
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