CAS Number
109-99-9
Formula
C4H8O
Weight
72,11
Diethylene Oxide, Tetramethylene Oxide, THF
| Minimum assay (G.C.): | 99.9% |
| Density 20/4 | 0.888-0.892 |
| Maximum limit of impurities | |
| APHA colour | 10 |
| Acidity | 0.0002 meq/g |
| Alkalinity | 0.0002 meq/g |
| Non-volatile matter | 0.0002 % |
| Peroxides (as H2O2) | 0.01 % |
| Water (H2O) | 0.02 % |
| Suitability for IR spectrometry | passes test |
| UV Spectrum (1cm cell; Ref.: water) | |
| Transmittance at 215 (Cut off) nm | ≥10% |
| Transmittance at 240 nm | ≥30% |
| Data of interest in HPLC | |
| Rohrschneider Polarity | 4.0 |
| Eluotropic value E° (Al2O3) | 0.57 |
| Sol. H2O in solv. at 20°C | miscible |
| For critical jobs, purge with nitrogen. | |
| Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere. |
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