Ethyl methyl ketone, MEK, Methyl ethyl ketone 

2-Butanone 

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

• CAS Number: 78-93-3

• Linear Formula: C₂H₅COCH₃

• Molecular Weight: 72.11

• Beilstein Registry Number: 741880

• EC Number: 201-159-0

• MDL number: MFCD00011648

• PubChem Substance ID: 24860217