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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 Propane gas, a colorless, flammable, liquefied, hydrocarbon gas supplied by Middlesex Gases to commercial customers in Massachusetts, New Hampshire, Rhode Island and Connecticut and throughout New England.
| Chemical Symbol | C3H8 |
| Molecular Weight | 44.11 |
| Specific Volume | 8.5 ft3/lb (0.531 m3/kg) |
| CAS Registry Number | 74-98-6 |
| DOT Proper Name | Propane |
| Hazard Class | 2.1 |
| ID Number | UN1978 |
| Labels | Flammable Gas |
| Std. Cylinder Sizes* | Contents | Cylinder Pressure (PSIG) | CGA Valve Connection |
|---|---|---|---|
| 350 | 105 | 109 | 510 |
| 200 | 35 | 109 | 510 |
| 80 | 13 | 109 | 510 |
SPECIFICATIONS SUBJECT TO CHANGE
| Grade | Purity | Impurity | Specifications | Equipment Recommended |
|---|---|---|---|---|
| 3.0 (Research) | >99.9% | Total Impurities | <1000ppm | Call for Recommendation |
| 2.5 (Instrument) | >99.5% | Total Impurites | <0.5% | Call for Recommendation |
| 2.0 | >99.0% | Total Impurites | <1.0% | Call for Recommendation |