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438936

Sigma-Aldrich

1,4-Bis(trimethylsilyl)benzene

96%

Synonym(s):

p-Phenylenebis(trimethylsilane)

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About This Item

Linear Formula:
C6H4[Si(CH3)3]2
CAS Number:
Molecular Weight:
222.47
Beilstein/REAXYS Number:
1867055
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

$85.59

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Available to ship onApril 11, 2025Details


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assay

96%

form

solid

bp

194 °C/742 mmHg (lit.)

mp

91-94 °C (lit.)

SMILES string

C[Si](C)(C)c1ccc(cc1)[Si](C)(C)C

InChI

1S/C12H22Si2/c1-13(2,3)11-7-9-12(10-8-11)14(4,5)6/h7-10H,1-6H3

InChI key

NVRBTKMAZQNKPX-UHFFFAOYSA-N

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Application

1,4-Bis(trimethylsilyl)benzene (TMSB) can be used:
  • As a precursor for developing silicon carbide coating using plasma-assisted chemical vapor deposition (CVD) process.[1]
  • As a secondary standard in quantitative NMR (qNMR) spectroscopy.[2]
  • As an internal standard for quantitation of small organic molecules in DMSO-d6 solution by 1H NMR spectroscopy.[3]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

347.0 °F - closed cup

flash_point_c

175 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)


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