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123640-93-7

123640-93-7 Structure

123640-93-7 Structure
IdentificationBack Directory
[Name]

4 4'-BIS(TRIETHOXYSILYL)-1 1'-BIPHENYL
[CAS]

123640-93-7
[Synonyms]

4,4'-Biphenyldiylbis(triethoxysilane)
4 4'-BIS(TRIETHOXYSILYL)-1 1'-BIPHENYL
1,1'-Biphenyl,4,4'-bis(triethoxysilyl)-
4,4'-Bis(triethoxysilyl)-1,1'-biphenyl 95%
triethoxy-[4-(4-triethoxysilylphenyl)phenyl]silane
4,4′-Bis(triethoxysilyl)-1,1′-biphenyl,4,4′-Bis(triethoxysilyl)biphenyl
[Molecular Formula]

C24H38O6Si2
[MDL Number]

MFCD06798075
[MOL File]

123640-93-7.mol
[Molecular Weight]

478.73
Chemical PropertiesBack Directory
[Boiling point ]

203-206 °C0.3 mm Hg(lit.)
[density ]

1.047 g/mL at 25 °C(lit.)
[refractive index ]

1.5039
[Fp ]

>230 °F
[storage temp. ]

Inert atmosphere,Room Temperature
[Specific Gravity]

1.047
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
Safety DataBack Directory
[Symbol(GHS) ]


GHS07,GHS08,GHS09
[Signal word ]

Danger
[Hazard statements ]

H302-H361-H372-H410
[Precautionary statements ]

P201-P264-P280-P301+P330+P331-P312
[WGK Germany ]

3
Hazard InformationBack Directory
[Uses]

4,4′-Bis(triethoxysilyl)-1,1′-biphenyl (BTESB) can be used as an indicator to determine the chirality of helical silica nanotubes.

BTESB can also be utilized as a precursor to prepare:
  • Helical 4, 4′-biphenylene-silica nanotubes and nanoribbons using 3-aminopropyltrimethoxysilane as a co-structure-directing agent.
  • Biphenyl-bridged alkoxysilane-based crosslinked polyalkoxysilane by condensation with linear aliphatic diols.
  • Biphenylene-bridged silsesquioxane thin films by the sol-gel method.

[Uses]

suzuki reaction
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