Description

Silane,Bis[(1,1-Dimethyl-2-Propynyl)Oxy] Dimethyl- is a specialized organosilicon compound with a unique molecular structure featuring two propargyl ether groups. This compound serves as a valuable intermediate and functional additive in advanced material synthesis, offering controlled reactivity for cross-linking and surface modification. It is primarily utilized by manufacturers in the silicone polymer, specialty coatings, and adhesive industries seeking to enhance material properties through tailored silane chemistry.

Application

• As a cross-linking agent or curing agent in the formulation of specialty silicone resins and elastomers.
• As a surface modification agent for inorganic fillers (e.g., silica, glass) to improve compatibility with organic polymer matrices.
• As a key synthetic intermediate in the production of more complex organosilicon molecules for research and development.
• As an adhesion promoter in high-performance sealants, coatings, and composite materials.
• In the development of release coatings and low-surface-energy materials.
• For hydrophobic surface treatments on various substrates.

Basic Information

Product Name	Silane,Bis[(1,1-Dimethyl-2-Propynyl)Oxy] Dimethyl-
CAS No.	53863-99-3
Molecular Formula	C12H20O2Si
Molecular Weight	224.37 g/mol
Synonyms	Dimethylbis(1,1-dimethyl-2-propynyloxy)silane; Bis(1,1-dimethyl-2-propynyloxy)dimethylsilane; Dimethylbis(3,3-dimethylbut-1-yn-1-yloxy)silane; (3,3-Dimethylbut-1-yn-1-yloxy)dimethylsilane (dimer form); Silane, bis[(1,1-dimethyl-2-propynyl)oxy]dimethyl-; Dimethyl Silane Bis(3,3-Dimethyl-1-butynyl Ether)
EINECS	Contact for details

Quality Control

Our production of Silane,Bis[(1,1-Dimethyl-2-Propynyl)Oxy] Dimethyl- adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to verify identity, purity, and the absence of critical impurities. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.