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Triphenylsilanol

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Triphenylsilanol Basic information

Product Name:
Triphenylsilanol
Synonyms:
  • hydroxytriphenyl-silan
  • Silane, (hydroxytriphenyl)-
  • Triphenylsilanol ,97%
  • Triphenylsilanol,Hydroxytriphenylsilane
  • Triphenylsilanol, min. 98%
  • TRIPHENYLSILANOL
  • TRIPHENYLSILANOL FOR SYNTHESIS
  • Co-Formula CFS-311
CAS:
791-31-1
MF:
C18H16OSi
MW:
276.4
EINECS:
212-339-3
Product Categories:
  • Si (Classes of Silicon Compounds)
  • Silanols
  • Si-O Compounds
  • Phenyl Silanes
  • organosilicon compound
Mol File:
791-31-1.mol
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Triphenylsilanol Chemical Properties

Melting point:
150-153 °C (lit.)
Boiling point:
389 °C [760mmHg]
Density 
1.13
refractive index 
1.628
Flash point:
>200°C
storage temp. 
Inert atmosphere,Room Temperature
form 
Powder
pka
13.39±0.58(Predicted)
color 
white
Water Solubility 
reacts
Sensitive 
Air Sensitive
Hydrolytic Sensitivity
4: no reaction with water under neutral conditions
BRN 
985007
InChIKey
NLSXASIDNWDYMI-UHFFFAOYSA-N
CAS DataBase Reference
791-31-1(CAS DataBase Reference)
NIST Chemistry Reference
Silanol, triphenyl-(791-31-1)
EPA Substance Registry System
Silanol, triphenyl- (791-31-1)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
1
RTECS 
VV4325500
21
TSCA 
Yes
HS Code 
29310095

MSDS

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Triphenylsilanol Usage And Synthesis

Chemical Properties

White crystal

Uses

Triphenylsilanol is used as a water surrogate for regioselective Pd catalyzed allylations. A thick on germanium substrates have been produced by the electron bombardment of an evaporated thin film of triphenylsilanol.

Definition

ChEBI: An organosilanol in which silicon is bonded to a single hydroxy function and to three phenyl groups.

Purification Methods

It is purified by dissolving in pet ether, passing through an Al2O3 column, eluting thoroughly with CCl4 to remove impurities and then eluting the silanol with MeOH. Evaporation gives crystals with m 153-155o. It can be recrystallised from pet ether, CCl4 or from *benzene or Et2O/pet ether (1:1). It has also been recrystallised by partial freezing from the melt to constant melting point. [George & Gilman J Am Chem Soc 81 3288 1959, IR: Tatlock & Rochow J Org Chem 17 1555 1952 and Richards & Thompson J Chem Soc 124 1949, Beilstein 16 IV 1480.]

Triphenylsilanol Preparation Products And Raw materials

Raw materials

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