Description
Specifications Table
Product Name – Dimethoxydimethylsilane, 95+%, AcroSeal®
Quantity/Pack Size – 1LT, 100ML
Form – Liquid
Grade – 95%+
Application – Silanization, surface modification, chemical synthesis
Product Overview
Dimethoxydimethylsilane (95%+) is a high-purity organosilicon compound designed for precision applications in laboratory settings. Packaged under AcroSeal® technology, it ensures minimal moisture exposure, preserving reactivity and extending shelf life. This silane reagent is particularly valued for its role in silanization processes, where it modifies surfaces to enhance hydrophobicity or improve adhesion in materials like glass, silica, and metal oxides. The dimethyl substitution provides steric stability, while the dimethoxy groups enable controlled hydrolysis for covalent bonding to substrates. Its low viscosity and high volatility make it suitable for vapor-phase deposition or solution-based treatments. The 95%+ purity grade minimizes byproducts in sensitive reactions, making it ideal for synthesizing siloxane polymers, protective coatings, or as a coupling agent in composite materials. The AcroSeal® packaging features a tamper-evident design with an inert atmosphere, reducing oxidation risks during storage. Compatible with most organic solvents, it integrates seamlessly into existing lab protocols without requiring specialized handling beyond standard moisture control measures.
FAQs
1. What is the typical hydrolysis rate of dimethoxydimethylsilane in ambient conditions?
Under standard lab conditions (25°C, 50% humidity), dimethoxydimethylsilane hydrolyzes slowly over 24-48 hours when exposed to air. The AcroSeal® packaging significantly delays this process by maintaining an inert environment.
2. Can this silane be used directly for vapor-phase deposition without dilution?
Yes, the 95%+ purity allows for direct use in vapor-phase deposition systems, though optimal results often depend on chamber pressure and substrate temperature. Pre-testing with small quantities is recommended to determine ideal parameters.
3. What are the key differences between dimethoxydimethylsilane and trimethylchlorosilane for surface treatment?
Dimethoxydimethylsilane offers milder reaction conditions and generates methanol as a byproduct instead of HCl, making it safer for sensitive substrates. It also provides better control over monolayer formation due to its slower hydrolysis kinetics.
4. How should partially used bottles be stored to maintain product integrity?
Partially used bottles should be resealed immediately using the original AcroSeal® cap and stored under nitrogen or argon in a desiccator. Avoid repeated exposure to air, as cumulative moisture ingress accelerates degradation.
5. What analytical techniques confirm the successful silanization of surfaces with this product?
Successful silanization can be verified using contact angle measurements (increased hydrophobicity), X-ray photoelectron spectroscopy (Si 2p peaks), or Fourier-transform infrared spectroscopy (Si-O-Si stretching vibrations at ~1000-1100 cm⁻¹).
