Description

Silane, (3,3-Dimethyl-1-Propyne-1,3-Diyl)Bis[Trimethyl- is a specialized organosilicon compound featuring a unique bis(trimethylsilyl)acetylene core structure. This compound is a valuable high-purity synthetic intermediate and coupling agent, prized for its ability to introduce silyl-protected alkyne functionalities into complex molecules. It is essential for manufacturers and researchers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise molecular building blocks for drug discovery, polymer synthesis, and surface modification.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing alkyne groups for click chemistry or further functionalization.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides where the silyl-protected alkyne moiety is a critical structural component.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialty silicones, silicon-containing polymers, and hybrid organic-inorganic materials.
• Surface Modification Agent: Employed to functionalize silica, glass, or metal oxide surfaces, imparting specific hydrophobic or reactive properties.
• Organic Synthesis Reagent: A versatile reagent in organometallic chemistry and catalysis for constructing complex molecular architectures in R&D laboratories.
• Electronics & Semiconductor Precursor: Potential use in chemical vapor deposition (CVD) processes for depositing silicon-containing thin films in microelectronics fabrication.

Basic Information

Product Name	Silane, (3,3-Dimethyl-1-Propyne-1,3-Diyl)Bis[Trimethyl-
CAS No.	61227-98-3
Molecular Formula	C11H22Si2
Molecular Weight	198.46 g/mol
Synonyms	1,2-Bis(trimethylsilyl)-3,3-dimethyl-1-propyne; 3,3-Dimethyl-1,2-bis(trimethylsilyl)propyne; Bis(trimethylsilyl)-3,3-dimethylpropyne; 1,2-Bis(trimethylsilyl)-3-methylbut-1-yne-3-yl; (3,3-Dimethyl-1-propyn-1,3-diyl)bis[trimethylsilane]; DTMSA (common abbreviation); TMS-protected dimethylpropyne
EINECS	Contact for details

Quality Control

Our production of Silane, (3,3-Dimethyl-1-Propyne-1,3-Diyl)Bis[Trimethyl- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to verify identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your specific R&D or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.80 - 0.85 g/mL
Refractive Index (n20D)	1.430 - 1.440

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