Skip to Content
Merck
All Photos(1)

Key Documents

438936

Sigma-Aldrich

1,4-Bis(trimethylsilyl)benzene

96%

Synonym(s):

p-Phenylenebis(trimethylsilane)

Sign Into View Organizational & Contract Pricing


About This Item

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

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

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.
  • As a secondary standard in quantitative NMR (qNMR) spectroscopy.
  • As an internal standard for quantitation of small organic molecules in DMSO-d6 solution by 1H NMR spectroscopy.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

347.0 °F - closed cup

Flash Point(C)

175 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service