Description

Silane, Dimethyl(1-Methylethyl)[(1-Methyl-2-Propyn-1-Yl)Oxy]- is a specialized organosilicon compound, specifically a functionalized alkoxysilane, that serves as a critical coupling agent and surface modifier. Its molecular structure, featuring both alkoxy and alkyne functional groups, provides unique reactivity for creating durable covalent bonds between inorganic substrates and organic polymers. This product is essential for manufacturers in the advanced materials sector seeking to enhance composite performance, adhesion, and surface properties. It is particularly valued for its role in formulating high-performance coatings, adhesives, and engineered composite materials where interfacial strength is paramount.

Application

• As a coupling agent in mineral-filled composites (e.g., glass, silica, or metal oxide-filled plastics) to improve mechanical properties and dispersion.
• As a surface pretreatment agent for glass, metals, and ceramics to promote adhesion of subsequent coatings, inks, or adhesives.
• As a key monomer or intermediate in the synthesis of specialized silicone resins and polymers with tailored properties.
• In the formulation of high-performance, moisture-curing sealants and adhesives for construction and automotive applications.
• As a crosslinking agent in silicone rubber and other elastomer systems to enhance thermal and chemical resistance.
• For the functionalization of nanoparticles (e.g., silica, quantum dots) to improve compatibility in polymer matrices or biological media.
• In the production of release coatings and low-surface-energy materials.

Basic Information

Item	Details
Product Name	Silane, Dimethyl(1-Methylethyl)[(1-Methyl-2-Propyn-1-Yl)Oxy]-
CAS No.	959067-74-4
Molecular Formula	C9H18O2Si
Molecular Weight	186.33 g/mol
Synonyms	Dimethylisopropoxy(1-methyl-2-propynyloxy)silane; (1-Methyl-2-propynyloxy)dimethylisopropoxysilane; Isopropoxydimethyl(1-methyl-2-propynyloxy)silane; 1-Methyl-2-propynyloxy(dimethyl)isopropoxysilane; 3-Methyl-3-buten-1-yn-1-yloxy(dimethyl)isopropoxysilane; Propargyl alcohol, 2-methyl-, 1-(dimethylisopropoxysilyl) ether; Functional Alkoxysilane Coupling Agent
EINECS	Contact for details

Quality Control

Our production of Silane, Dimethyl(1-Methylethyl)[(1-Methyl-2-Propyn-1-Yl)Oxy]- adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent chemical structure. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing key specifications such as assay, identity, and impurity profiles. Our commitment to supply chain reliability and traceability ensures you receive a product that meets your precise technical requirements for advanced material synthesis.

Storage

Preserve in a tightly closed container, protected from light. This compound is hygroscopic (moisture-sensitive). Store under an inert atmosphere (nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to maximize shelf life and maintain chemical integrity. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.88 - 0.92 g/mL
Refractive Index (n20/D)	1.410 - 1.420
Water Content (Karl Fischer)	≤ 0.1%

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