tert-Butoxychlorodiphenylsilane, 96%

CAS Number 17922-24-6 Synonyms
  • tert-Butoxydiphenylchlorosilane
  • tert-Butoxydiphenylsilyl chloride

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tert-Butoxychlorodiphenylsilane, 96%

MDL: MFCD00077672

Chemical Properties

Formula: C16H19ClOSi  Density: 1.057
Formula weight: 290.87  Refractive Index: 1.5380
Boiling point: 130-135°/0.1mm Sensitivity: Moisture Sensitive
Flash point: 56°(132°F) 

Literature References

Reagent for introduction of the t-butoxydiphenylsilyl protecting group for alcohols; see Appendix 4. The group is about 10x more stable to hydrolysis than TBDMS (see tert-Butyl­dimethyl­chlorosilane, A13064), but is cleaved by TBAF about 25x more readily: J. Org. Chem., 53, 2602 (1988). Selective cleavage has also been accomplished with Na2S.9H2O in EtOH, conditions under which TBDMS and TBDPS groups are unaffected: Tetrahedron Lett., 36, 7445 (1995).

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H318-H226

Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Precautionary Statements : P210-P260-P303+P361+P353-P305+P351+P338-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Other References

Beilstein: 5037778
UN#: UN2986
Hazard Class: 8
Packing Group: II
Harmonized Tariff Code: 2931.90
tert-Butoxychlorodiphenylsilane, 96% - CAS 17922-24-6 - Formula C16H19ClOSi

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