Product Overview
| Property | Value |
|---|
| Product Name | Carbonyl Sulfide COS |
| CAS No. | 463-58-1 |
| UN Number | UN2204 |
| Purity | 99.8% |
| Packing | 40L cylinder (GB, ISO, DOT) |
| Filling Content | 30kg/cyl |
Transportation
| Property | Value |
|---|
| DOT Shipping Name | Carbonyl Sulfide |
| DOT Classification | 2.1 |
| DOT Label | Flammable Gas, Poison Gas |
| Shipped as | Liquefied Gas |
Technical Information
| Property | Value |
|---|
| Cylinder State @ 21.1°C | Liquid |
| Molecular Weight | 60.07 g/mol |
| Specific Gravity (air=1) | 2.07 |
| Flammable Limits in Air | 6.5-29% |
| Auto Ignition Temperature | 329 °C |
Applications
Carbonyl Sulfide (COS) is used in semiconductor manufacturing for sulfur doping and as a sulfur source in thin-film deposition. It is also used as a fumigant for grain storage, in chemical synthesis, and as a calibration gas standard for environmental monitoring of sulfur compounds.
