What is Dichlorosilane used for?
What is Dichlorosilane used for?
Dichlorosilane is used as a starting material for semiconducting silicon layers found in microelectronics. It is used because it decomposes at a lower temperature and has a higher growth rate of silicon crystals.
What is the name for SiCl2?
Silicon chloride hydride
| PubChem CID | 6327212 |
|---|---|
| Structure | Find Similar Structures |
| Molecular Formula | Cl2Si |
| Synonyms | silicon dichloride 4109-96-0 Silicon chloride hydride dichlorosilicon SiCl2 More… |
| Molecular Weight | 98.99 |
Is Dichlorosilane a pyrophoric?
Dichlorosilane is a toxic, pyrophoric, flammable, corrosive, water-reactive, irritating gas with a very repulsive odor. The gas is colorless but forms a fuming white mist when exposed to air. Dichlorosilane has a flash point of — 35°F.
What is disilane gas?
Disilane is a chemical compound with chemical formula Si2H6 that was identified in 1902 by Henri Moissan and Samuel Smiles (1877–1953). At standard temperature and pressure, disilane is a colourless, acrid gas. Disilane and ethane have similar structures, although disilane is much more reactive.
What is AlCl2?
Aluminum dichloride | AlCl2 – PubChem.
What is the boiling point of sicl4?
57.65 °C
Silicon tetrachloride/Boiling point
What is the shape of sicl2?
The electron pair geometry of SCl2 is tetrahedral as it considers lone pair on the central atom as well as bonded pair around it. The generic formula for SCl2 is AX2N2 according to the VSEPR theory and it’s the chart.
Why is silicon tetrachloride a liquid?
Silicon tetrachloride (SiCl4) There isn’t enough electronegativity difference between the silicon and the chlorine for the two to form ionic bonds. Silicon tetrachloride is a colorless liquid at room temperature which fumes in moist air. The only attractions between the molecules are van der Waals dispersion forces.
What is the correct name for Si2H6?
Disilane Si2H6 Molecular Weight — EndMemo.
Why is AlCl3 a dimer?
In vapor it is covalent. In this state, 3 electrons from Al are shared with 3 Cl electrons. That makes only 6 electrons. To get to the very favorable 8 electron octet, it forms Al2Cl6 and thus the extra sharing from the dimer gives the necessary octet for all atoms.
What is the formula for dichlorosilane in chemistry?
Dichlorosilane, or DCS as it is commonly known, is a chemical compound with the formula H 2 SiCl 2. In its major use, it is mixed with ammonia (NH 3) in LPCVD chambers to grow silicon nitride in semiconductor processing.
Why is dichlorosilane used as a starting material?
Dichlorosilane is used as a starting material for semiconducting silicon layers found in microelectronics. It is used because it decomposes at a lower temperature and has a higher growth rate of silicon crystals. It is a chemically active gas, which will readily hydrolyze and self ignite in air.
Are there any safety hazards with dichlorosilane?
Dichlorosilane is also very toxic, and preventative measures must be used for any experiment involving the use of the chemical. Safety hazards also includes skin and eye irritation and inhalation. ^ “nchem.403-comp13 – Compound Summary”.
What kind of odor does dichlorosilane have?
Dichlorosilane is a flammable and poisonous gas, with a strong repulsive odor. It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes.