CAS Number
109-99-9
Formula
C4H8O
Weight
72,11
Diethylene Oxide, Tetramethylene Oxide, THF
| Appearance | Clear, colourless liquid with a characteristic odour. |
| Miscibility | Miscible with water, ethanol, acetone, ether, benzene and most organic solvents. |
| Color (APHA) | ≤ 20 |
| Guaranteed Analysis | |
| Assay (GC) | NLT 99,9% |
| Weight per ml at 20°C | 0,886 - 0,888 g |
| Identification | p/t. |
| Maximum Limits of Impurities | |
| Residue After Evaporation | 0.001% |
| Acidity (as CH3COOH) | 0.001% |
| Water | 0.03% |
| UV Transmittance | |
| UV cut-off | 215 nm |
| Wavelength | Min. Transmittance |
| 245 nm | 25% |
| 250 nm | 50% |
| 260 nm | 70% |
| 280 nm | 90% |
| 300 nm | 95% |
| 310 nm - 400 nm | 98% |
| Filtered through 0.2 micron filter and packed under dry nitrogen. |
Copyright © 2019 ICON CHEMICAL. All Rights Reserved.