Bis (trimethylsilyl) amine (also known as hexamethyldisilazane, or HMDS), molecular formula [(CH3)3Si]2NH. The substance is a derivative of ammonia in which two hydrogen atoms are replaced by trimethylsilyl. Hexamethyldisilazane is a colorless liquid and an important reagent and main component widely used in organic synthesis and organometallic chemical reactions.
| Name | Hexamethyldisilazane | EINECS | 213-668-5 |
| CAS No. | 999-97-3 | Density | 0.776 g/cm3 |
| PSA | 12.03000 | LogP | 2.63670 |
| Solubility | REACTS | Melting Point | -78 °C
|
| Formula | C6H19NSi2 | Boiling Point | 126 °C at 760 mmHg |
| Molecular Weight | 161.395 | Flash Point | 30 °C |
| Transport Information | UN 3286 3/PG 2 | Appearance | colourless liquid |
Appearance and properties: transparent liquid
Density: 0.774 g/mL at 25 °C(lit.)
Boiling point: 125 °C(lit.)
Melting point: -78 °C
Flash point: 57.2 °F
Refractive index: n20/D 1.407(lit.)
Water solubility: REACTS
Storage conditions: the warehouse is ventilated and dry at low temperature, and stored separately from oxidants and acids
Usage:Specialty organic synthesis. Silylation in the synthesis of amikacin, penicillin, cephalosporin, fluorouracil and various penicillin derivatives. Surface treatment of diatomaceous earth, white carbon black, titanium powder, etc. Adhesive for photoetching agents in semiconductor industry.
China
