338923

1-Phenyl-2-trimethylsilylacetylene

99%

• Synonym(s): 1-(Trimethylsilyl)-2-phenylacetylene, Phenylethynyl-trimethylsilane, Trimethyl(phenylethynyl)silane
• Linear Formula: C₆H₅C≡CSi(CH₃)₃
• CAS Number: 2170-06-1
• Molecular Weight: 174.31
• Beilstein/REAXYS Number: 3088678
• MDL number: MFCD00054860
• UNSPSC Code: 12352100
• PubChem Substance ID: 24860590
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 99%
• form: liquid
• refractive index: n20/D 1.528 (lit.)
• bp: 87-88 °C/9 mmHg (lit.)
• density: 0.886 g/mL at 25 °C (lit.)
• functional group: phenyl
• SMILES string: C[Si](C)(C)C#Cc1ccccc1
• InChI: 1S/C11H14Si/c1-12(2,3)10-9-11-7-5-4-6-8-11/h4-8H,1-3H3
• InChI key: UZIXCCMXZQWTPB-UHFFFAOYSA-N

Description

General description

1-Phenyl-2-trimethylsilylacetylene is an SiMe₃-substituted alkyne. It undergoes coupling with propargylic and allylic alcohols. Polymerization of 1-phenyl-2-trimethylsilylacetylene by various transition metal catalysts has been reported.

Application

1-Phenyl-2-trimethylsilylacetylene was used in the preparation of donor-stabilized Pt-η²-alkyne complexes.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 165.2 °F - closed cup
• flash_point_c: 74 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves