Specialty Gases
Nitrogen Gas Supplier for New England
Nitrogen Gas
A colorless, odorless, chemically inert gas
Learn more about Nitrogen gas, a gas that constitutes 78% of the atmosphere and is a constituent of all living tissue. Under normal conditions, Nitrogen is a colorless, odorless and tasteless inert gas which has no toxic properties and is slightly lighter than air. As a liquid at -302°F, it has a water-white appearance and must be handled with care due to its low temperature. Middlesex Gases supplies Liquid Nitrogen to commercial customers in Massachusetts, New Hampshire, Rhode Island, Connecticut and throughout New England.
TECHNICAL INFORMATION
| Chemical Symbol | N2 |
| Molecular Weight | 28.01 |
| Specific Volume | 13.8ft3/ lb (0.86m3/ kg) |
| CAS Registry Number | 7727-37-9 |
SHIPPING INFORMATION
| DOT Proper Name | Nitrogen, Compressed |
| Hazard Class | 2.2 |
| ID Number | UN1066 |
| Labels | Nonflammable Gas |
CYLINDER SIZES AVAILABLE
| Std. Cylinder Sizes* | Contents | Cylinder Pressure (PSIG) | CGA Valve Connection |
|---|---|---|---|
| 300 | 304 | 2640 | 580 |
| 200 | 230 | 2200 | 580 |
| 80 | 84 | 2200 | 580 |
| 30(AL) | 38 | 2200 | 580 |
*Nonstandard cylinder sizes available upon request
SPECIFICATIONS SUBJECT TO CHANGE
Additional Information
| Grade | Purity | Impurity | Specifications | Equipment Recommended |
|---|---|---|---|---|
| Ultra High Purity 5.0 | 99.999% | Oxygen Moisture Total Hydrocarbons | <1ppm < 1ppm <0.5ppm | 3101 or 3201 |
| High Purity 4.8 | 99.998% | Oxygen Moisture Total Hydrocarbons | <5ppm <3ppm <1ppm | 3101 or 3201 |
| Low O2 | 99.999% | Oxygen Moisture Total Hydrocarbons | <0.5ppm <1ppm <0.5ppm | 3101 or 3201 |
| Zero 0.2 | 99.998% | Total Hydrocarbons | <0.2ppm | 3101 or 3201 |
| Prepurified Grade K | 99.995% | Oxygen Dewpoint | ≤ 10ppm ≤-76°F | 2400 |
This information in no way replaces the Safety Data Sheets (SDS) for use and safety standards. Please refer to the SDS for details.
