业务领域
聚焦于高纯气体，稳定同位素，金属化合物和高纯化学品等化工新材料的供应和销售
Silicon Tetrafluoride - ( SIF4 )
Silicon Tetrafluoride is a colorless, toxic, nonflammable gas. It is irritating to the mucous membranes. Silicon Tetrafluoride forms dense fumes in humid air, and hydrolyses rapidly to form fluorosilicic acid and hydrogen fluoride.
| Specifications | |
| Purity , % | 99.99 |
| Oxygen | ≤1.0 ppmv |
| Nitrogen | ≤3.0 ppmv |
| Carbon Dioxide | ≤1.0 ppmv |
| Carbon Monoxide | ≤0.5 ppmv |
| THC ( CH4) | ≤10.0 ppmv |
| Arsenic | ≤0.5 ppmv |
| Boron | ≤0.5 ppmv |
| Phosphorus | ≤0.5 ppmv |
| Hydrogen Fluoride | ≤50.0ppmv |
| Ship | |
| DOT Shipping Name | Silicon Tetrafluoride |
| DOT Classification | 2.3 |
| DOT Label | Poison Gas Corrosive |
| UN Number | UN 1859 |
| CAS No. | 7783-61-1 |
| CGA/DISS/JIS | 330/642/W22-14L |
| Shipped as | Compressed Gas |
| Technical Information | |
| Cylinder State @ 21.1°C | Gas |
| Flammable Limits In Air | Non-flammable |
| Auto Ignition Temperature (°C ) | - |
| Molecular Weight (g/mol) | 104.08 |
| Specific gravity (air =1) | 4.67 |
| Critical Temperature ( °C ) | -14.15 |
| Critical Pressure ( psig ) | 524.59 |
| Applications | |
| In the process of chemical vapor deposition; Produce fluorosilicic acid and its salts. | |