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Nitrous Oxide - ( N2O )
Nitrous oxide is nontoxic, nonflammable, colorless gas with a slightly sweet taste and odor. The odor is subjective and therefore not reliable, and should not be used to detect the presence of the gas. It is stable and nonreactive under normal conditions, but becomes a strong oxidizing agent at elevated temperatures and pressure. Nitrous oxide is shipped as a liquefied gas under its own vapor pressure.
| Specifications | ||
| Purity , % | 99.9 | 99.999 |
| Oxygen | ≤200 ppmv | ≤1.0 ppmv |
| Nitrogen | ≤600 ppmv | ≤3.0 ppmv |
| Carbon Dioxide | ≤50 ppmv | ≤0.5 ppmv |
| Carbon Monoxide | ≤20 ppmv | ≤0.5 ppmv |
| Methane | ≤0.5 ppmv | |
| Water | ≤30 ppmv | ≤2.0 ppmv |
| Ship | ||
| DOT Shipping Name | Nitrous Oxide | |
| DOT Classification | 2.2 | |
| DOT Label | Non-flammable Gas | |
| UN Number | UN 1070 | |
| CAS No. | 10024-97-2 | |
| CGA/DISS/JIS/BS341/DIN477 | 326/712/W22-14R/NO.13/NO.11 | |
| Shipped as | Liquefied Gas | |
| Technical Information | ||
| Cylinder State @ 21.1°C | Liquid | |
| Flammable Limits In Air | Non-flammable | |
| Auto Ignition Temperature (°C ) | - | |
| Molecular Weight (g/mol) | 44.013 | |
| Specific gravity (air =1) | 1.53 | |
| Critical Temperature ( °C ) | 36.41 | |
| Critical Pressure ( psig ) | 1038.57 | |
| Applications | ||
| · In optical spectrometry as an instrumentation gas · In atomic absorption for elemental analysis as an instrumentation gas · As a component in industrial hygiene gas mixtures · As the oxidizing agent of combustion gases for atomic absorption spectrometry · In medical applications, and in certain food processing applications · In semiconductor fabrication: oxygen source for Chemical Vapour Deposition (CVD) of silicon dioxide, SiO2. | ||