Trisilane
Uses Properties Description- Product Name
- Trisilane
- CAS No.
- 7783-26-8
- Chemical Name
- Trisilane
- Synonyms
- Trisilane;Trisilicane;Silicopropane;Trisilicopropane;Trisilicon octahydride;λ2-silanylidenesilylidenesilicon
- CBNumber
- CB81106567
- Molecular Formula
- H8Si3
- Formula Weight
- 92.32
- MOL File
- 7783-26-8.mol
Trisilane Property
- Melting point:
- -117.4°
- Boiling point:
- bp 52.9°
- Density
- d0 0.743
- refractive index
- 1.4978
- solubility
- reacts with H2O
- form
- flammable liquid
- Specific Gravity
- 0.7430
- color
- flammable colorless liquid
- Water Solubility
- decomposed by H2O [MER06]
- Hydrolytic Sensitivity
- 10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required
- InChI
- InChI=1S/H8Si3/c1-3-2/h3H2,1-2H3
- InChIKey
- VEDJZFSRVVQBIL-UHFFFAOYSA-N
- SMILES
- [SiH3][SiH2][SiH3]
- EPA Substance Registry System
- Trisilane (7783-26-8)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H250Catches fire spontaneously if exposed to air
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P222Do not allow contact with air.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P334IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P370+P378In case of fire: Use … for extinction.
P422Store contents under …
Trisilane Chemical Properties,Usage,Production
Uses
Trisilane is a flammable and toxic liquid at room temperature and pressure. Its main uses are in the manufacture of semiconductor silicon films and amorphous silicon.
Properties
Colorless liquid; density 0.743 g/mL at 0°C; freezes at –117.4°C; boils at 52.9°C; vapor density 4.15 g/L at atmospheric pressure; decomposes in water; decomposes in carbon tetrachloride.
Description
Silicon forms a series of hydrides known as silanes, formula SinH2n+2, where n is the number of silicon atoms in the molecule. This general formula for the silicon hydrides is similar to the CnH2n+2 for the alkane class of hydrocarbons.
Chemical Properties
colorless liquid; enthalpy of vaporization 28.38 kJ/mol; vapor pressure at (0°C) 95mm Hg; critical temp 189°C; reacts vigorously with CCl4 and CHCl3 [CIC73] [CRC10] [MER06]
Hazard
Explodes on contact with air, reacts violently with carbon tetrachloride and chloroform.
Trisilane Preparation Products And Raw materials
Raw materials
Preparation Products
Trisilane Suppliers
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