Description

Ethylbis(Trimethylsilyl)Amine is a specialized organosilicon compound widely used as a versatile silylating agent and protecting group reagent in advanced organic synthesis. Its primary value lies in its ability to efficiently introduce the bulky bis(trimethylsilyl)amino group, which is crucial for modifying reactivity and protecting sensitive functional groups. This high-purity reagent is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for synthesizing complex molecules and silicon-containing intermediates.

Application

• Pharmaceutical Synthesis: Key reagent for protecting amines and other nucleophilic sites during multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the production of silicon-modified pesticides and herbicides to enhance stability and bioavailability.
• Advanced Material Precursor: Serves as a precursor for silicon nitride (Si3N4) and other ceramic materials via chemical vapor deposition (CVD) or sol-gel processes.
• Polymer Modification: Employed to introduce silyl groups into polymer backbones, altering thermal and mechanical properties for specialty plastics and elastomers.
• Lithography and Semiconductor Processing: Acts as a silicon source in spin-on dielectric (SOD) formulations and photoresist ancillary chemicals for microelectronics fabrication.
• Laboratory Reagent: A valuable tool in academic and industrial R&D for deprotonation reactions and the preparation of sensitive organometallic compounds.

Basic Information

Product Name	Ethylbis(Trimethylsilyl)Amine
CAS No.	2477-39-6
Molecular Formula	C8H23NSi2
Molecular Weight	189.45 g/mol
Synonyms	N-Ethylbis(trimethylsilyl)amine; N-Ethyl-N-bis(trimethylsilyl)amine; Ethylbis(trimethylsilyl)amine; BSA-Et; N-Ethylhexamethyldisilazane; HMDS-Et; Ethyl(hexamethyldisilazano); (Ethylamino)bis(trimethylsilane)
EINECS	219-618-4

Quality Control

Our Ethylbis(Trimethylsilyl)Amine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to meet stringent specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (argon or nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.420 - 1.425

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