Date published: 2026-5-4

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1,1-Dichlorosilacyclobutane (CAS 2351-33-9)

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Alternate Names:
Cyclotrimethylenedichlorosilane
CAS Number:
2351-33-9
Purity:
97%
Molecular Weight:
141.07
Molecular Formula:
C3H6Cl2Si
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Available in US only.
* Refer to Certificate of Analysis for lot specific data.

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1,1-Dichlorosilacyclobutane presents itself as a cyclic organosilicon compound with a four-membered structure. This colorless liquid finds wide applications in the synthesis of organic compounds and serves as a intermediate in the production of organic silicon compounds. Its utility extends to the manufacturing of polymers and adhesives. The synthesis of organic silicon compounds heavily relies on the presence of 1,1-Dichlorosilacyclobutane as a intermediate. 1,1-Dichlorosilacyclobutane undergoes a nucleophilic displacement reaction wherein a silicon atom replaces a chlorine atom. The reaction is catalyzed by a base, such as an alkoxide or hydroxide ion.


1,1-Dichlorosilacyclobutane (CAS 2351-33-9) References

  1. Molecular structures of various alkyldichlorosilanes in the solid state.  |  Wagler, J. and Gericke, R. 2017. Dalton Trans. 46: 8875-8882. PMID: 28513680
  2. Iodine-mediated rearrangements of diallylsilanes.  |  O'Neil, GW. and Cummins, EJ. 2017. Tetrahedron Lett. 58: 3406-3409. PMID: 29249841
  3. Chemoselective Carbonyl Allylations with Alkoxyallylsiletanes.  |  Spaltenstein, P., et al. 2019. J Org Chem. 84: 4421-4428. PMID: 30811929
  4. Oxidative Addition of Silicon-Chloride Bonds to a Zerovalent Ruthenium Center and Direct Generation of an Ethylene Insertion Complex.  |  Yoo, H. and Berry, DH. 2022. Inorg Chem. 61: 8639-8643. PMID: 35639447

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

1,1-Dichlorosilacyclobutane, 5 ml

sc-224836
5 ml
$124.00
US: Only available in the US