Propadiene
Propadiene is a colorless, flammable, liquefied gas with a detectable odor.
Propadiene
Formula: C3H4
CAS No: 463-49-0
Propadiene (C3H4), commonly known as allene, is a highly reactive, unsaturated hydrocarbon used primarily as a chemical intermediate in synthesis and specialty applications. Its unique cumulated double-bond structure gives it distinct reactivity compared to other C3 hydrocarbons, enabling selective reactions in controlled environments.
In industrial and research settings, propadiene is used in polymer chemistry, organic synthesis, and as a specialty fuel component. Its reactivity makes it valuable in applications requiring rapid chemical transformation and precise reaction pathways.
Applications include:
- Used as an intermediate in organic synthesis and specialty chemical production.
- Supports polymer and materials research involving unsaturated hydrocarbons.
- Applied in fuel gas mixtures, including welding and cutting applications (as a component of MAPP-type gases).
- Used in laboratory research and reaction mechanism studies.
- Applied in specialty hydrocarbon processing and industrial chemistry.
EFC Gases & Advanced Materials supplies propadiene gases with tight control of moisture and critical impurities to ensure consistent performance in demanding applications.
Applications
Specifications
Further Specifications
Cylinder Sizes
- Support organic synthesis and chemical production.
- Enable polymer and materials research.
- Fuel welding and cutting gas mixtures.
- Use in laboratory and reaction studies.
- Process specialty hydrocarbons.
| Grade 1.5 | |
|---|---|
| Purity | 95.0% |
| Other Hydrocarbons | < 5% |
| Moisture | < 5 ppmv |
| Total Impurities | < 5% |
| Chemical & Physical Properties | |
|---|---|
| Molecular Weight | 40.065 |
| Specific Volume | 9.6 cu ft/lb |
| Pressure @ 70° F | 102 psig |
| Valve Outlet | CGA 510 LB CGA 170 |
| Shipping Information | |
|---|---|
| DOT Name | Propadiene, Inhibited |
| Hazard Class | 2.1 |
| DOT No. | UN 2200 |
| DOT Label | Flammable Gas |
| CAS No. | 463-49-0 |
| Cylinder Size | Fill Weight (lb) |
|---|---|
| LP30 | 110 |
| LP15 | 50 |
| LP05 | 20 |
| LP01 | 5 |
| 49L/Size 300 | 50 |
| 44L/Size 200 | 45 |
| 16L/Size 80 | 17 |
| 7L/Size 35 | 7 |
Moisture level guaranteed only when EFC Gases & Advanced Materials prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated. Product sold on the basis of total impurities. Individual impurities may vary slightly.
