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China and Germany are the leading exporters of Hexamethyldisilazane, collectively accounting for over 50% of global export value in 2023–2024, while the United States, South Korea, and Japan represent the largest importers by volume and value. Imports into the U.S. and South Korea have risen steadily since 2022, coinciding with increased domestic demand from semiconductor and specialty chemical manufacturing sectors—trends reflected in recent Hexamethyldisilazane prices, which have shown moderate upward pressure amid tightening supply chains.
Hexamethyldisilazane (HMDS) is a colorless, volatile liquid with a mild, chloroform-like odor and a boiling point of approximately 126–127 °C. It is an organosilicon compound classified as a silylating agent and silicon-based chemical intermediate. HMDS is widely employed in semiconductor manufacturing for surface passivation and as a silylation reagent in analytical chemistry, particularly in gas chromatography sample preparation. It serves as a key precursor in the synthesis of silicone polymers, silane coupling agents, and specialty siloxane materials used in coatings, adhesives, and high-performance elastomers. Its primary application areas include electronics, advanced materials, and fine chemical synthesis.
A reagent for the preparation of trimethylsilyl derivatives.
Colorless liquid
This chemical is included in Fine Chemicals - Adhesives & Coating Raw Materials. See more about what is Hexamethyldisilazane and Hexamethyldisilazane SDS information.
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