CAS Number
142-82-5
Formula
C7H16
Weight
100,21
n-Heptane
1l~0,684kg 1kg~1,462l
| Minimum assay (G.C.) | 99,0 % |
| Density at 20/4 | 0,683-0,685 |
| Maximum limit of impurities | |
| APHA colour | 10 |
| Non-volatile matter | 0,0003 % |
| Acidity | 0,0002 meq/g |
| Alkalinity | 0,0002 meq/g |
| Water (H2O) | 0,005 % |
| Suitability for IR spectrometry | passes test |
| UV Spectrum (1 cm cell; Ref.: water) | |
| Fluorescence at 254nm (as quinine) | 1ppb |
| Fluorescence at 365 nm (as quinine) | 1ppb |
| Transmittance at 200 (Cut off) nm | ≥20% |
| Transmittance at 210 nm | ≥50% |
| Transmittance at 220nm | ≥80% |
| Transmittance at 230 nm | ≥92% |
| Transmittance at 245-400 nm | ≥98% |
| Data of interest in HPLC | P + 0.25 E: 0.5 |
| Eluotropic value E°(Al2O3) | 0.2 |
| Eluotropic value E° (Al2O3) | 0.01 |
| Sol. H2O in solv. at 20°C | 0.01 |
| For critical jobs, purge with nitrogen. | |
| Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere |
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