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Middlesex Gases is now making dry ice in-house. To request a quote or to learn more about the delivery options, visit our dry ice page. Click here. |
Learn more about Krypton gas, a colorless, odorless, nonflammable, inert, rare gas, supplied by Middlesex Gases to commercial customers in Massachusetts, New Hampshire, Rhode Island and Connecticut and throughout New England.
| Chemical Symbol | Kr |
| Molecular Weight | 83.3 |
| Specific Volume | 4.5 ft3/lb (0.29 m3/kg) |
| CAS Registry Number | 7439-90-9 |
| DOT Proper Name | Krypton, Compressed |
| Hazard Class | 2.2 |
| ID Number | UN1056 |
| Labels | Nonflammable Gas |
| Std. Cylinder Sizes* | Contents | Cylinder Pressure (PSIG) | CGA Valve Connection |
|---|---|---|---|
| 300 | 10,000 | 2100 | 580 |
| 200 | 5,000 | 1400 | 580 |
| 80 | 2500 | 1700 | 580 |
SPECIFICATIONS SUBJECT TO CHANGE
| Grade | Purity | Impurity | Specifications | Equipment Recommended |
|---|---|---|---|---|
| Research 5.0 | 99.999% | O2 H2 N2 Ar CO2 THC H2 X2 | <1ppm <2ppm <4ppm <1ppm <0.5ppm <0.5ppm <1ppm <2ppm | Call for Recommendation |