Product Overview
| Property | Value |
|---|
| Product Name | Propyne (Methylacetylene) C3H4 |
| CAS No. | 74-99-7 |
| UN Number | UN1954 |
| Packing | 40L cylinder (GB, ISO, DOT) |
Transportation
| Property | Value |
|---|
| DOT Shipping Name | Methylacetylene, Stabilized |
| DOT Classification | 2.1 |
| DOT Label | Flammable Gas |
| Shipped as | Liquefied Gas |
Technical Information
| Property | Value |
|---|
| Molecular Weight | 40.064 g/mol |
| Specific Gravity (air=1) | 1.38 |
| Flammable Limits in Air | 1.7-11.7% |
Applications
Propyne (Methylacetylene) is used in organic synthesis as a chemical intermediate, in welding and cutting operations (as MAPP gas component), and in research applications. It is also used in the semiconductor industry for CVD processes and as a carbon source.
