33407

2-Butanone

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% (GC)

• Synonym(s): Ethyl methyl ketone, MEK, Methyl ethyl ketone
• Linear Formula: C₂H₅COCH₃
• CAS Number: 78-93-3
• Molecular Weight: 72.11
• Beilstein: 741880
• EC Number: 201-159-0
• MDL number: MFCD00011648
• UNSPSC Code: 12352115
• PubChem Substance ID: 329754527
• Assay: ≥99.5% (GC)
• bp: 80 °C (lit.)
• vapor pressure: 71 mmHg ( 20 °C)

Properties

• grade: ACS reagent; puriss. p.a.
• Quality Level: 200
• Agency: reag. Ph. Eur.
• vapor density: 2.49 (vs air)
• vapor pressure: 71 mmHg ( 20 °C)
• Assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 960 °F
• expl. lim.: 10.1 %
• impurities: ≤0.0003% KMnO₄ red. matter (as O); ≤0.002% non-volatile matter; ≤0.003% free acid (as CH₃COOH); ≤0.05% 2-butanol; ≤0.05% water (Karl Fischer)
• color: APHA: <15
• refractive index: n20/D 1.3770-1.3810; n20/D 1.379 (lit.)
• bp: 80 °C (lit.)
• mp: −87 °C (lit.)
• density: 0.805 g/mL at 25 °C (lit.)
• cation traces: Al: ≤0.5 mg/kg; B: ≤0.02 mg/kg; Ba: ≤0.1 mg/kg; Ca: ≤0.5 mg/kg; Cd: ≤0.05 mg/kg; Co: ≤0.02 mg/kg; Cr: ≤0.02 mg/kg; Cu: ≤0.02 mg/kg; Fe: ≤0.1 mg/kg; Mg: ≤0.1 mg/kg; Mn: ≤0.02 mg/kg; Ni: ≤0.02 mg/kg; Pb: ≤0.1 mg/kg; Sn: ≤0.1 mg/kg; Zn: ≤0.2 mg/kg
• SMILES string: CC(CC)=O
• InChI: 1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
• InChI key: ZWEHNKRNPOVVGH-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H319,H336
• Precautionary Statements: P210 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Target Organs: Central nervous system
• Supplementary Hazards: EUH066
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 26.6 °F - closed cup
• Flash Point(C): -3 °C - closed cup