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Acetylene
Acetylene (C2H2) is a colorless, highly flammable gas. Mostly used for oxy-fuel cutting and brazing applications, acetylene has a high heat release in the primary flame and moderate heat in the secondary flame. It has the hottest flame temperature of the commercially available fuel gases (up to 6,300°F/3,480 C°) and is an excellent choice for welding, brazing and cutting of steel alloys.
Note: Acetylene cylinders are filled by weight, not volume. The volume and pressure data shown is only illustrative and is subject to change from region to region, and may vary with changes in atmospheric temperature and pressure.
Acetylene Transportation Information
| Chemical Formula | C2H2 |
|---|---|
| Minimum Purity | 98% (on a solvent-free basis) |
| Cylinder CGA Outlet | 510 (over 50 ft3 (1.39 m3) (300 Limited Standard)) 520 (between 35 and 75 ft3 (970 liters and 2.08 m3)) 200 (approximately 10 ft3 (280 liters)) |
| MSDS | P-4559 |
| CAS Number | 74-86-2 |
| UN Number | 1001 |
| US DOT Name | Acetylene, Dissolved |
| US DOT Label | Flammable Gas |
| US DOT Class | 2.1 Flammable Gas |