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Ethylene Oxide - ( C2H4O )
Ethylene Oxide is a colorless, volatile gas which is extremely flammable and is explosive in concentrations over 3%. The odor threshold is 700 ppm. The odor is described as ether-like or garlic-like. It is readily liquified and is shipped in drums and cylinders as a liquid
| Specifications | |
| Purity , % | 99.9 |
| Water | ≤ 100 ppm |
| Ethanol | ≤ 100 ppm |
| Remnant | ≤ 100 ppm |
| Ship | |
| DOT Shipping Name | Ethylene Oxide |
| DOT Classification | 2.3 |
| DOT Label | Poison Gas, Flammable Gas |
| UN Number | UN 1040 |
| CAS No. | 75-21-8 |
| CGA/JIS/BS341/DIN477 | 510/W22-14L/NO.7/NO.1 |
| Shipped as | Liquefied Gas |
| Technical Information | |
| Cylinder State @ 21.1°C | Liquid |
| Flammable Limits In Air | 3.0-100% |
| Auto Ignition Temperature (°C ) | 428.9 |
| Molecular Weight (g/mol) | 44.053 |
| Specific gravity (air =1) | 1.521 |
| Critical Temperature ( °C ) | 196 |
| Critical Pressure ( psig ) | 1028.7 |
| Applications | |
| · to produce ethylene oxide-based sterilant gases · as an intermediate in the manufacturing of other chemicals · in calibration mixtures · as a sterilant gas in various food, pesticide and medical consumable processes. | |