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Methyl acetylene (C3H4)
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Basic info:
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English name
Methylacetylene
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CAS
74-99-7
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Hazard info
1060
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Transport
"ADR Class 2, 2F"
Properties:
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Molar mass
40.0639
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Gas density at 15°С/1,013 bar
0.6925
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Boiling point at 1,013 bar
-23.21
Options
- single-piece
12 l — 150 bar
Acetylene
Specs
| Methyl acetylene 2.0 | ||
|---|---|---|
| Composition | ||
| C3H4 | % | ≥99,0 |
Methyl acetylene (propyne, propadiene, C3H4) is a colorless, flammable gas with an unpleasant odor and moderate toxicity.
Methyl acetylene is essentially an alkyne that is produced by magnesium tricarbide hydrolysis or propane cracking. It is also a by-product in the production of acetylene and other hydrocarbons, which determines a similar set of physicochemical properties within the class.
- Fire-explosive gas
- Colorless in liquid and gas forms
- Non-toxic gas
- Sweetish odor
- At low concentrations
- warning properties are weakly expressed
Methylacetylene has found use in the metallurgical industry for gas flame processing of metals - welding and cutting. In addition, this gas is used as rocket fuel.
Power industry 
Astronautics 
Metallurgy Bottles must be transported in a horizontal position with pads between them or in a vertical position with mandatory protection against possible falls. It is permissible to transport them in packaged form in special containers.
Joint transportation with oxygen cylinders is not allowed.
Movement/transportation must comply with the codes of the corresponding type of transport, federal laws, other regulatory acts, and the legislation of the country where the movement/transportation/transfer is taking place.
Can be transported by
- train
- truck
- ship