Description
Specifications Table
Product Name – Sodium trimethylsilanolate, 1M solution in dichloromethane, AcroSeal®
Quantity/Pack Size – 100ML
Form – Liquid (solution in dichloromethane)
Grade – Reagent grade (AcroSeal®)
Application – Silylation, derivatization, moisture-sensitive reactions
Product Overview
Sodium trimethylsilanolate, supplied as a 1M solution in dichloromethane (DCM), is a highly reactive organosilicon compound designed for demanding laboratory applications. The AcroSeal® packaging ensures maximum purity and protection against moisture, which is critical for maintaining the reagent’s efficacy in silylation reactions. This solution is particularly valued for its ability to convert active hydrogen-containing compounds (such as alcohols, amines, and carboxylic acids) into their trimethylsilyl derivatives, enhancing volatility for GC-MS analysis or improving solubility in organic solvents. The dichloromethane solvent provides an inert, low-boiling medium that facilitates easy evaporation, leaving behind the silylated product without residual contamination. The reagent’s stability under anhydrous conditions makes it indispensable for synthesizing silyl ethers, silyl enol ethers, and other silicon-based protective groups. Its high concentration (1M) allows for precise dosing, reducing the risk of side reactions while ensuring consistent derivatization yields. Compatible with standard Schlenk techniques, this solution is ideal for air-sensitive procedures where moisture exclusion is paramount.
FAQs
1. What is the shelf life of sodium trimethylsilanolate in DCM under unopened conditions?
The unopened AcroSeal® bottle retains full potency for 12–18 months when stored at room temperature in a desiccated environment. Exposure to air or humidity accelerates degradation, so reseal the container tightly after each use.
2. Can this solution be used directly for GC-MS derivatization without further dilution?
Yes, the 1M concentration is optimized for direct use in most derivatization protocols. However, for highly sensitive analytes or when minimal solvent interference is required, dilution with anhydrous DCM (1:10) may improve baseline stability.
3. Is this reagent compatible with glass syringes for dispensing?
Glass syringes are suitable, but we recommend using PTFE-tipped or polypropylene syringes to prevent silanol leaching from glass surfaces, which could contaminate the solution over time. Always purge the syringe with argon or nitrogen before withdrawal.
4. What are the signs of degradation in this solution?
Degradation is indicated by cloudiness, precipitation, or a shift in color from clear to yellowish. A pungent odor (beyond the typical DCM scent) may also signal hydrolysis. Discard the solution if any of these changes are observed.
5. How should I dispose of unused or expired sodium trimethylsilanolate solution?
Neutralize the solution by slowly adding it to a 1:1 methanol-water mixture in a fume hood, then collect the siloxane byproducts for hazardous waste disposal. Never dispose of it via standard drains due to its reactivity with water and potential environmental impact.
