Description

1,1,3,3-Tetramethyldisilazane is a versatile organosilicon compound primarily used as a silylating agent and a reactive intermediate in advanced chemical synthesis. Its core value lies in its ability to introduce protective groups and modify surface properties, making it essential for producing high-purity materials. This product is critically needed by manufacturers in the pharmaceutical, semiconductor, and specialty chemical industries for applications ranging from drug development to surface passivation.

Application

• Pharmaceutical Intermediate: Used as a protecting agent for hydroxyl and amino groups in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Surface Modification Agent: Employed to functionalize silica, glass, and other metal oxide surfaces, altering their hydrophobicity and reactivity for coatings and composites.
• Precursor for Silicones: Serves as a key starting material or cross-linking agent in the production of specialized silicone polymers and resins.
• Semiconductor Manufacturing: Utilized in chemical vapor deposition (CVD) processes as a silicon and nitrogen source for depositing silicon nitride or silicon carbonitride thin films.
• Catalyst and Reagent: Acts as a mild base or a silylation reagent in organic synthesis, facilitating reactions that are sensitive to stronger bases.
• Adhesion Promoter: Enhances the bonding between organic polymers and inorganic substrates in adhesive and sealant formulations.

Basic Information

Product Name	1,1,3,3-Tetramethyldisilazane
CAS No.	15933-59-2
Molecular Formula	C4H15NSi2
Molecular Weight	133.34 g/mol
Synonyms	1,1,3,3-Tetramethyl-1,3-disilazane; Bis(dimethylsilyl)amine; Hexamethyldisilazane analogue; HMDS analogue; N,N-Bis(dimethylsilyl)amine; Disilazane, 1,1,3,3-tetramethyl-; Tetramethyldisilazane; TMDSA
EINECS	240-103-1

Quality Control

Our 1,1,3,3-Tetramethyldisilazane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your specific application 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). Due to its highly volatile and hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and moisture absorption. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.4070 - 1.4100
Density (20°C)	0.77 - 0.79 g/mL

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