# P-TRIMETHYLSILYL STYRENE (CAS 1009-43-4)

CAS: 1009-43-4
PubChem CID: 595282
InChIKey: OXHSYXPNALRSME-UHFFFAOYSA-N
Wikidata: Q72514566
Molecular formula: C11H16Si
Molar mass: 176.33 g/mol
IUPAC: (4-ethenylphenyl)-trimethylsilane
SMILES: C[Si](C)(C)C1=CC=C(C=C1)C=C
InChI: InChI=1S/C11H16Si/c1-5-10-6-8-11(9-7-10)12(2,3)4/h5-9H,1H2,2-4H3
PSA: 0 A^2
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 2
Heavy atoms: 12
3D structure: 28 atoms, 28 bonds

## About the compound

P-TRIMETHYLSILYL STYRENE (CAS 1009-43-4) is a chemical compound registered under CAS number 1009-43-4. Molecular formula: C11H16Si. Molar mass: 176.33 g/mol. The full systematic IUPAC name is: (4-ethenylphenyl)-trimethylsilane. The molecule contains 28 atoms connected by 28 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/1009-43-4/


## Synonyms

  - 1009-43-4
  - Trimethyl(4-vinylphenyl)silane
  - 4-trimethylsilylstyrene
  - (4-ethenylphenyl)-trimethylsilane
  - Benzene, 1-ethenyl-4-(trimethylsilyl)-
  - 4-(Trimethylsilyl)styrene
  - MFCD05663945
  - Silane, (4-ethenylphenyl)trimethyl-
  - (4-ETHENYLPHENYL)TRIMETHYLSILANE
  - Trimethyl(4-vinylphenyl)silane (stabilized with TBC)
  - p-trimethylsilyl styrene
  - p-trimethylsilylstyrene

## Data sources

  - PubChem CID 595282: https://pubchem.ncbi.nlm.nih.gov/compound/595282
  - Wikidata: https://www.wikidata.org/wiki/Q72514566
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=1009-43-4
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=1009-43-4

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Last updated: 2026-10-02
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