598038

1,4-Bis(triethoxysilyl)benzene

96%

• Synonym(s): BTEB
• 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

Properties

• 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

Description

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).

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: >230.0 °F - closed cup
• flash_point_c: > 110 °C - closed cup
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)