Gas Detection
Propane (C3H8) Calibration Gas
Propane is a three-carbon alkane with the molecular formula C3H8. It is a gas at standard temperature and pressure, but compressible to a transportable liquid.
| Available sizes | 34L, 58L, 110L |
|---|---|
| Certification tolerance | +/- 2% or N/A |
| Production tolerance | +/- 5% or N/A |
| Stability | 60 months |
Propane is a three-carbon alkane with the molecular formula C3H8. It is a gas at standard temperature and pressure, but compressible to a transportable liquid. A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel. Propane is one of a group of liquefied petroleum gases (LP gases). The others include butane, propylene, butadiene, butylene, isobutylene, and mixtures thereof.
Propane gas has become a popular choice for barbecues and portable stoves because its low boiling point makes it vaporize as soon as it is released from its pressurized container. Propane powers buses, forklifts, taxis, outboard boat motors, and ice resurfacing machines and is used for heat and cooking in recreational vehicles and campers. Propane is also used in some locomotive diesel engines to improve combustion.
Propane is a simple asphyxiant. Unlike natural gas, propane is denser than air. It may accumulate in low spaces and near the floor. Propane has low toxicity since it is not readily absorbed and is not biologically active.
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 0.1 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.5 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.68 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.85 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.9 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1.1 % Propane // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 50 % Propane // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 100 % Propane (2.5) | Available | Available | Unavailable | N/A | N/A | 60 |
| SEMA Gases leaflet | SEMA Gases leaflet_A4 |
|---|
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