438936

1,4-Bis(trimethylsilyl)benzene

96%

• Synonym(s): p-Phenylenebis(trimethylsilane)
• Linear Formula: C₆H₄[Si(CH₃)₃]₂
• CAS Number: 13183-70-5
• Molecular Weight: 222.47
• Beilstein/REAXYS Number: 1867055
• MDL number: MFCD00015592
• UNSPSC Code: 12352100
• PubChem Substance ID: 24867483
• NACRES: NA.22

Properties

• Quality Level: 100
• 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

Description

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.

Safety Information

• 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)