2-Butanone - 34861
Code: 34861
2-Butanone
CHROMASOLV™, for HPLC, ≥99.7%
Ethyl methyl ketone; MEK; Methyl ethyl ketone
For HPLC
CAS Number: 78-93-3 Molar Mass: 72.11 g/mol Beilstein Registry Number: 741880 MDL Number: MFCD00011648
| Property |
Value |
| Assay (GC) |
min. 99.7 % |
| Non-volatile matter |
max. 0.001 % |
| Water (Karl Fischer) |
max. 0.1 % |
| Free acid (as CH3COOH) |
max. 0.001 % |
| Transmittance at 335 nm |
min. 50 % |
| Transmittance at 340 nm |
min. 80 % |
| Transmittance from 350 nm |
min. 98 % |
| Property |
Value |
| Vapor Density |
2.49 (vs air) |
| Vapor Pressure |
71 mmHg ( 20 °C) |
| Refractive Index |
n20/D 1.379(lit.) |
| Explosion Limit |
10.1 % |
| Autoignition Temperature |
960 °F |
| Boiling point |
79 - 81 °C |
| Freezing point |
-87 °C |
| Density |
0.805 g/cm3 |