Evonik Dynasylan HMDS (Hexamethyldisilazane) is a highly effective silylating agent and surface modifier that provides exceptional hydrophobic properties to various substrates. This versatile organosilicon compound reacts with proton-containing materials to form stable trimethylsilyl derivatives, making it invaluable for surface treatment, chemical synthesis, and analytical applications across multiple industries
Excellent Silylation - Effective hydroxyl group protection and derivatization
Super Hydrophobicity - Creates water-repellent surfaces on various materials
High Reactivity - Rapid reaction with proton-containing compounds
Versatile Application - Suitable for organic and inorganic substrates
Pharmaceutical Grade - Meets industry standards for pharmaceutical applications
Surface Hydrophobization - Water-repellent treatment for silica and fillers
Pharmaceutical Synthesis - Protecting group for hydroxyl functions in APIs
Microelectronics Manufacturing - Adhesion promotion in semiconductor processes
Analytical Chemistry - Derivatization agent for GC analysis of polar compounds
Polymer Modification - Improved dispersion and processing of filled polymers
Chemical Name | Hexamethyldisilazane | - |
CAS No. | 999-97-3 | - |
Appearance | Colorless liquid | Visual |
Purity | ≥ 98.0% | GC Analysis |
Density (25°C) | 0.77-0.79 g/cm³ | ISO 3675 |
Refractive Index (20°C) | 1.405-1.408 | ISO 2806 |
Boiling Point | 125-127°C | ISO 4626 |
Flash Point | 26°C | ISO 2719 |
Water Content | ≤ 0.1% | Karl Fischer |
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