Acetylene, C2H2 Industrial Gas
Product Description
Acetylene, commonly known as wind coal or calcium carbide, is the smallest of the alkynes and is a colorless, highly flammable gas at room temperature. Acetylene for industrial use contains impurities such as hydrogen sulfide and phosphine, and has a smell of garlic.
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CAS No. |
74-86-2 |
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UN No. |
1001 |
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EINECS No. |
200-816-9 |
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Molecular weight |
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Appearance |
colorless and odorless (pure), smell of garlic (made of calcium carbide) |
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Melting point |
-81.8 ℃ |
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Boiling point |
-83.4 ℃ |
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Density |
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DOT Class |
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Label |
Flammable Gas |
For oxyfuel cutting, heat treating and torch brazing applications
produced by the reaction of calcium carbide with water or as a by-product of ethylene production. Acetylene is dissolved in a solvent in a specially designed cylinder filled with a porous substance. Because the gas dissolves in matter, it is sometimes called "dissolved acetylene".
Acetylene's extremely high flame temperature (3100°C) makes it ideal for oxyacetylene cutting, heat treating and torch brazing. It is also used in organic synthesis in analytical laboratories and as a flame gas in analytical techniques such as atomic absorption (AA) spectroscopy. Sometimes it is used for chemically induced flower production.
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