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Atomfair (Triphenylsilyl)acetylene C20H16Si CAS 6229-00-1

(Triphenylsilyl)acetylene (CAS No. 6229-00-1), also known as ethynyl(triphenyl)silane, is a high-purity organosilicon compound with the molecular formula C20H16Si . This specialized reagent features a terminal alkyne group bonded to a triphenylsilyl moiety, making it a valuable building block in organic synthesis, particularly for Sonogashira couplings, click chemistry, and the preparation of silicon-containing polymers. Its robust structure ensures stability under various reaction conditions, while the steric bulk of the triphenylsilyl group can be leveraged for selective transformations. Ideal for researchers in materials science, pharmaceuticals, and catalysis, this product is rigorously tested for purity and consistency. Available in sealed packaging under inert…

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Description

(Triphenylsilyl)acetylene (CAS No. 6229-00-1), also known as ethynyl(triphenyl)silane, is a high-purity organosilicon compound with the molecular formula C20H16Si. This specialized reagent features a terminal alkyne group bonded to a triphenylsilyl moiety, making it a valuable building block in organic synthesis, particularly for Sonogashira couplings, click chemistry, and the preparation of silicon-containing polymers. Its robust structure ensures stability under various reaction conditions, while the steric bulk of the triphenylsilyl group can be leveraged for selective transformations. Ideal for researchers in materials science, pharmaceuticals, and catalysis, this product is rigorously tested for purity and consistency. Available in sealed packaging under inert gas to prevent degradation.

Properties

  • CAS Number: 6229-00-1
  • Complexity: 313
  • IUPAC Name: ethynyl(triphenyl)silane
  • InChI: InChI=1S/C20H16Si/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20/h1,3-17H
  • InChI Key: WADKYPSVXRWORK-UHFFFAOYSA-N
  • Exact Mass: 284.102127045
  • Molecular Formula: C20H16Si
  • Molecular Weight: 284.4
  • SMILES: C#C[Si](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
  • Monoisotopic Mass: 284.102127045
  • Synonyms: (Triphenylsilyl)acetylene, 6229-00-1, DTXSID60349043, DTXCID20300115, 626-522-4, ETHYNYLTRIPHENYLSILANE, ethynyl(triphenyl)silane, silane, ethynyltriphenyl-, triphenylsilylacetylene, MFCD00075453, C20H16Si, SCHEMBL936542, SCHEMBL7162215, (Triphenylsilyl)acetylene, 98%, (TRIPHENYLSILYL)ACETYLENE 98, AKOS015840374, CS-W012236, AS-75781, A12701, InChI=1/C20H16Si/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20/h1,3-17

Application

(Triphenylsilyl)acetylene is widely used in cross-coupling reactions to introduce silyl-protected alkyne functionalities into complex organic frameworks. It serves as a key intermediate in the synthesis of conjugated polymers and dendrimers for optoelectronic applications. The compound is also employed in surface modification and click chemistry for bioconjugation due to its reactive ethynyl group.

Safety and Hazards

GHS Hazard Statements

  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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