Methyl Ethyl Ketone MEK CAS 78-93-3

Methyl Ethyl Ketone (MEK) | CAS 78-93-3

Methyl Ethyl Ketone (MEK), CAS 78-93-3, also known as 2-Butanone or Butan-2-one, is a clear, volatile ketone widely used as an industrial solvent. It is commonly used in paints and coatings, adhesives, printing inks, plastics, resins, rubber processing, cleaning and other chemical-processing applications. 

Applications: Paints & Coatings • Adhesives • Printing Inks • Plastics & Resins • Rubber Processing • Industrial Cleaning • Chemical Processing • Pharmaceuticals • Laboratory & R&D

CAS: 78-93-3

Synonyms: 2-Butanone • Butan-2-one • Ethyl Methyl Ketone • MEK

Chemical Formula: C₄H₈O

Molecular Weight: 72.11 g/mol

Chemical Type: Ketone / Organic Solvent

Physical Form: Clear, colorless, volatile liquid

Boiling Point: Approximately 80°C

Density: Approximately 0.805 g/mL at 25°C

Grades: Industrial • Technical • High Purity • Analytical • Application-Specific

Packaging: Drums • IBCs • Bulk Quantities

Documentation: SDS • CoA • TDS, where applicable

Price: Request a Quote

Key Applications

MEK is particularly important as a fast-evaporating solvent for paints, coatings, adhesives, resins, lacquers, varnishes, printing inks and sealants. It is also used in cleaning, rubber processing, plastics and selected pharmaceutical and chemical processes.

Storage & Handling

MEK is a highly flammable liquid. Storage, ventilation, ignition-source control, PPE and transportation should follow the current SDS for the specific grade supplied and applicable dangerous-goods requirements.