Description

2,2-Dimethyl-1,3,2-dioxasilolane (CAS No. 57915-66-9) is a high-purity organosilicon compound with the molecular formula C₄H₁₀O₂Si. This cyclic siloxane derivative is characterized by its unique dioxasilolane ring structure, which features two oxygen atoms and a silicon atom in a five-membered ring, along with two methyl substituents on the silicon center. It is a valuable reagent in organic synthesis, particularly in the preparation of silicon-containing polymers and as a precursor for advanced materials. The compound is supplied as a clear, colorless liquid with high chemical stability under recommended storage conditions. Suitable for use in research and industrial applications, it is rigorously tested to ensure consistent quality and performance. Handle with care in a well-ventilated environment, using appropriate personal protective equipment.

Properties

• CAS Number: 57915-66-9
• Complexity: 64.1
• IUPAC Name: 2,2-dimethyl-1,3,2-dioxasilolane
• InChI: InChI=1S/C4H10O2Si/c1-7(2)5-3-4-6-7/h3-4H2,1-2H3
• InChI Key: DWKPMRBAJMBVPY-UHFFFAOYSA-N
• Exact Mass: 118.045006092
• Molecular Formula: C4H10O2Si
• Molecular Weight: 118.21
• SMILES: C[Si]1(OCCO1)C
• Topological: 18.5
• Monoisotopic Mass: 118.045006092
• Synonyms: 2,2-Dimethyl-1,3,2-dioxasilolane, 57915-66-9, DTXSID70593717, DTXCID70544481, SCHEMBL7575211, 2,2-dimethyl-1,3-dioxa-2-silacyclopentane

Application

2,2-Dimethyl-1,3,2-dioxasilolane is widely used as a key intermediate in the synthesis of silicon-based polymers and hybrid materials. It serves as a precursor for the development of specialty silicones with tailored properties for coatings, adhesives, and sealants. Researchers utilize this compound in the study of ring-opening polymerization reactions to create novel siloxane architectures. Its reactivity with various nucleophiles makes it valuable for introducing silicon functionalities into organic molecules. The compound is also employed in materials science for surface modification and as a crosslinking agent in polymer chemistry.

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