2-Butanone
SIGALD/34861 - suitable for HPLC, ≥99.7%
Synonym: Ethyl methyl ketone; MEK; Methyl ethyl ketone
CAS Number: 78-93-3
Empirical Formula (Hill Notation): C4H8O
Molecular Weight: 72.11
EC Number: 201-159-0
MDL Number: MFCD00011648
Linear Formula: C2H5COCH3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 34861-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 34861-1L.
| λ | neat |
| application(s) | food and beverages |
| assay | ≥99.7% |
| autoignition temp. | 960 °F |
| bp | 80 °C (lit.) |
| density | 0.805 g/mL at 25 °C (lit.) |
| evapn. residue | ≤0.001% |
| expl. lim. | 10.1 % |
| form | liquid |
| impurities | ≤0.001% free acid (as CH3COOH) |
| ≤0.001% non-volatile matter | |
| ≤0.1% water (Karl Fischer) | |
| InChI | 1S/C4H8O/c1-3-4(2)5/h3H2, |
| InChI key | ZWEHNKRNPOVVGH-UHFFFAOYSA |
| mp | −87 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CC(CC)=O |
| technique(s) | HPLC: suitable |
| transmittance | 335 nm, ≥50% |
| 340 nm, ≥80% | |
| 350 nm, ≥98% | |
| UV absorption | λ: 335 nm Amax: ≤0.30 |
| λ: 340 nm Amax: ≤0.10 | |
| λ: 350 nm Amax: ≤0.01 | |
| vapor density | 2.49 (vs air) |
| vapor pressure | 71 mmHg ( 20 °C) |
| Application: | 2-Butanone may be employed as a solvent for the methylation agent [11C]methyl trifluoromethanesulfonate ([11C]CH3OTf), during the completely automated radiosynthesis of 2-(4-N-[11C]methylaminophenyl)-6-hy |
| General description: | Physical properties of the solutions of 1-n-butyl-3-methylimidazolium tetrafluoroborate (ionic liquid) in various organic solvents (acetonitrile, dichloromethane, 2-butanone and N,N-dimethylformamide) has been studied. Viscosity and density of these mixtures were evaluated at 298.15K. |
| Packaging: | 1, 6×1, 2, 4×2, 4×4 L in glass bottle |
| Packaging: | 100 mL in glass bottle |
| Packaging: | 50 L in Pure-Pac™ 2 |
| Recommended products: | Discover LiChropur reagents ideal for HPLC or LC-MS analysis |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H319 - H336 |
| Precautionary statements | P210 - P305 + P351 + P338 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-36-66-67 |
| Safety Statements | 9-16 |
| RIDADR | UN1193 - class 3 - PG 2 - Ethyl methyl ketone |
| WGK Germany | WGK 1 |
| Flash Point(F) | 26.6 °F - closed cup |
| Flash Point(C) | -3 °C - closed cup |
| Supplemental Hazard Statements | EUH066 |
| Purity | ≥99.7% |
| bp | 80 °C (lit.) |
| mp | −87 °C (lit.) |
| Density | 0.805 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116105 |