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Triphenylsilyl chloride

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Triphenylsilyl chloride Basic information
Triphenylsilyl chloride Chemical Properties
  • Melting point:91-94 °C(lit.)
  • Boiling point:378 °C
  • Density 1.14
  • Flash point:>200°C
  • storage temp. Refrigerator
  • solubility acetone: 0.1 g/mL, clear
  • form crystal
  • color white
  • Specific Gravity1.16
  • Water Solubility Reacts with water.
  • Sensitive Moisture Sensitive
  • Hydrolytic Sensitivity8: reacts rapidly with moisture, water, protic solvents
  • BRN 1820487
  • InChIKeyMNKYQPOFRKPUAE-UHFFFAOYSA-N
  • CAS DataBase Reference76-86-8(CAS DataBase Reference)
  • NIST Chemistry ReferenceTriphenylchlorosilane(76-86-8)
  • EPA Substance Registry SystemSilane, chlorotriphenyl- (76-86-8)
Safety Information
  • Hazard Codes C
  • Risk Statements 34-37
  • Safety Statements 26-36/37/39-45-24/25
  • RIDADR UN 3261 8/PG 2
  • WGK Germany 1
  • RTECS VV2720000
  • 10-21
  • TSCA Yes
  • HazardClass 8
  • PackingGroup II
  • HS Code 29310095
MSDS
Triphenylsilyl chloride Usage And Synthesis
  • Chemical PropertiesWhite to off-white crystal or powder with acrid ordor of hydrogen chloride, used for synthesis of pharmaceutical intermediates.
  • Purification MethodsLikely impurities are tetraphenylsilane, small amounts of hexaphenyldisiloxane and traces of triphenylsilanol. Purify it by distillation at 2mm, then crystallise it from EtOH-free CHCl3, and from pet ether (b 30-60o) or hexane by cooling in a Dry-ice/acetone bath. [Allen & Modena J Chem Soc 3671 1957, Curran et al. J Am Chem Soc 72 4471 1950, Speier & Zimmerman J Am Chem Soc 77 6395 1955, Thomas & Rochow J Am Chem Soc 79 1843 1957, Beilstein 16 IV 1484.]
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