Speciality Chemicals

Hexamethyldisilazane

  • CAS No.107-46-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Hexamethyldisilazane (HMDS) for semiconductor, pharmaceutical synthesis, and surface treatment applications.

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Product Technical Details

Product Overview

Hexamethyldisilazane (HMDS), identified by CAS number 107-46-0, is a versatile organosilicon compound widely recognized for its exceptional silylation capabilities. As a leading manufacturer, we provide premium-grade HMDS designed to meet the rigorous demands of the semiconductor, pharmaceutical, and advanced materials industries. This colorless transparent liquid serves as a critical reagent for introducing trimethylsilyl groups into organic molecules, facilitating improved volatility and stability during analytical and synthetic processes.

Our production process ensures consistent high purity levels, making it an ideal choice for sensitive applications such as gas chromatography stationary phases and photoresist adhesion promotion. Whether used as a water scavenger in synthesis or a surface modifier for inorganic powders, our HMDS delivers reliable performance comparable to major global brands.

Technical Specifications

ParameterSpecification
Chemical NameHexamethyldisilazane
CAS Number107-46-0
AppearanceColorless transparent liquid
Purity99% Minimum
Moisture ContentLow moisture specification
Packaging200L Plastic Drum or Plastic-lined Iron Drum
Net Weight150KG per Drum

Industrial Applications

The utility of Hexamethyldisilazane spans across multiple high-tech sectors. In the pharmaceutical industry, it acts as a vital silylation agent during the synthesis of complex intermediates, including various antibiotic derivatives and oncology therapeutics. It enhances reaction efficiency and product yield in the production of active pharmaceutical ingredients.

In the semiconductor sector, HMDS is indispensable as a bonding aid for photoresists, ensuring precise pattern transfer during lithography processes. Additionally, it serves as a surface treatment agent for fillers such as diatomite, white carbon black, and titanium dioxide, improving dispersion and compatibility within polymer matrices. It is also utilized as an additive in silicon carbide fibers to enhance thermal resistance and mechanical strength.

Other notable applications include its use as an anti-precipitation agent in coatings, a cleaning agent for precision instruments, and a raw material for producing various silazane compounds. Its versatility extends to silicone rubber manufacturing and water repellent formulations.

Quality Assurance and Safety

We maintain strict quality control protocols, providing a Certificate of Analysis (COA) with every batch. Our facility adheres to international safety standards for handling flammable liquids. Although classified carefully for transport, we recommend storing the product in a cool, dry, and well-ventilated warehouse away from heat sources and direct sunlight.

  • Keep containers tightly sealed to prevent moisture absorption.
  • Store separately from oxidants, acids, and bases.
  • Use explosion-proof lighting and ventilation in storage areas.
  • Handle with care to prevent packaging damage during loading and unloading.

With a shelf life of one year under proper storage conditions, our Hexamethyldisilazane ensures long-term stability for your production lines. Contact us today for competitive bulk pricing and global shipping options.