2-Butanone - 04380
Code: 04380
2-Butanone
Puriss. p.a., ACS reagent, ≥99.5% (GC)
Ethyl methyl ketone; MEK; Methyl ethyl ketone
≥99.5%, ACS Reagent
CAS Number: 78-93-3 Linear Formula: C2H5COCH3 Molar Mass: 72.11 g/mol Beilstein Registry Number: 741880 EC Number: 201-159-0 MDL Number: MFCD00011648
| Property |
Value |
| Assay (GC) |
min. 99.5 % |
| Refractive index (n 20/D) |
1.378 - 1.380 |
| Water (Karl Fischer) |
max. 0.2 % |
| Non-volatile matter |
max. 0.002 % |
| Identity (NMR) |
complying |
| Peroxides (as H2O2) |
max. 10 ppm |
| Titrable Acid |
max. 0.0005 meq/g |
| Aluminium (Al) |
max. 0.5 ppm |
| Barium (Ba) |
max. 0.1 ppm |
| Bismuth (Bi) |
max. 0.1 ppm |
| Calcium (Ca) |
max. 0.5 ppm |
| Cadmium (Cd) |
max. 0.05 ppm |
| Cobalt (Co) |
max. 0.02 ppm |
| Chromium (Cr) |
max. 0.02 ppm |
| Copper (Cu) |
max. 0.05 ppm |
| Iron (Fe) |
max. 0.5 ppm |
| Potassium (K) |
max. 0.5 ppm |
| Lithium (Li) |
max. 0.1 ppm |
| Magnesium (Mg) |
max. 0.1 ppm |
| Manganese (Mn) |
max. 0.02 ppm |
| Molybdenum (Mo) |
max. 0.1 ppm |
| Sodium (Na) |
max. 0.5 ppm |
| Nickel (Ni) |
max. 0.02 ppm |
| Lead (Pb) |
max. 0.1 ppm |
| Strontium (Sr) |
max. 0.1 ppm |
| Zinc (Zn) |
max. 0.1 ppm |
| APHA |
max. 15 |
| Property |
Value |
| Refractive Index |
n20/D 1.379(lit.) |
| Explosion Limit |
10.1 % |
| Vapor Density |
2.49 (vs air) |
| Vapor Pressure |
71 mmHg ( 20 °C) |
| Autoignition Temperature |
960 °F |
| Boiling point |
79 - 81 °C |
| Freezing point |
-87 °C |
| Density |
0.805 g/cm3 |
