2-Butanone
ALDRICH/W217018 - FCC, FG
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
| agency | meets purity specifications of JECFA |
| application(s) | flavors and fragrances |
| assay | ≥99.5% (GC) |
| autoignition temp. | 960 °F |
| biological source | synthetic |
| bp | 80 °C (lit.) |
| density | 0.805 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 10.1 % |
| food allergen | no known allergens |
| form | liquid |
| grade | FG |
| Halal | |
| Kosher | |
| InChI | 1S/C4H8O/c1-3-4(2)5/h3H2, |
| InChI key | ZWEHNKRNPOVVGH-UHFFFAOYSA |
| mp | −87 °C (lit.) |
| organoleptic | ethereal |
| Quality Level | 400  |
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 178/2002 |
| FCC | |
| FDA 21 CFR 117 | |
| FDA 21 CFR 172.515 | |
| FDA 21 CFR 175.320 | |
| SMILES string | CC(CC)=O |
| vapor density | 2.49 (vs air) |
| vapor pressure | 71 mmHg ( 20 °C) |
| Packaging: | 1 kg in aluminum bottle |
| Packaging: | 8, 20 kg in composite drum |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H319 - H336 |
| Precautionary statements | P210 - P233 - P240 - P241 - P242 - 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 | ≥99.5% (GC) |
| bp | 80 °C (lit.) |
| mp | −87 °C (lit.) |
| Density | 0.805 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 2170 |
| UNSPSC | 12164502 |