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Methyl Acetylene -( C3H4 , 1- Propyne )
Methyl acetylene is a colorless , non-toxic flammable gas at room temperature and atmospheric pressure . It is shipped as a liquified gas under its own vapor pressure.
| Specifications | |
| Purity , % | 97 |
| (Liquid Phase) | (Wt. %) |
| Propane | |
| Butane | |
| Allene | |
| Isobutene | |
| Acetonitrile | |
| Hydroquinone | |
| 2,6-di-tert-Butyl-4-methyl | |
| phenol (BHT) | |
| Ship | |
| DOT Shipping Name | METHYL ACETYLENE |
| DOT Classification | 2.1 |
| DOT Label | Compressed gas, flammable |
| UN Number | UN1954 |
| CAS No. | 74-99-7 |
| CGA/BS341/DIN477 | 510/NO.4/NO.1 |
| Technical Information | |
| Cylinder State @ 21.1°C | Gas |
| Flammable Limits In Air | 1.7-39.9% |
| Auto Ignition Temperature (°C ) | |
| Molecular Weight (g/mol) | 40.065 |
| Specific gravity (air =1) | 1.383 |
| Critical Temperature ( °C ) | 129.24 |
| Critical Pressure ( psig ) | 801.57 |
| Applications | |
| Mainly used in organic synthesis and special fuels. | |