Gas Detection
Heptane (C7H16) Calibration Gas
n-Heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16, and is one of the main components of gasoline (petrol).
| Available sizes | 34L, 58L |
|---|---|
| Certification tolerance | +/- 2% |
| Production tolerance | +/- 5% |
| Stability | 60 months |
n-Heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16, and is one of the main components of gasoline (petrol). When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane). Octane number equates to the anti-knock qualities of a comparison mixture of heptane and isooctane which is expressed as the percentage of isooctane in heptane and is listed on pumps for gasoline (petrol) dispensed globally.
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 0.2 % Heptane // Air | Available | Available | Unavailable | +/- 2% | +/- 5% | 60 |
| 0.44 % Heptane // Air | Available | Available | Unavailable | +/- 2% | +/- 5% | 60 |
| 0.45 % Heptane // Air | Available | Available | Unavailable | +/- 2% | +/- 5% | 60 |
| 0.55 % Heptane // Air | Available | Available | Unavailable | +/- 2% | +/- 5% | 60 |
| SEMA Gases leaflet | SEMA Gases leaflet_A4 |
|---|
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