Methyl Ethyl Ketone

Methyl Ethyl Ketone Suppliers in Mumbai, India

Methyl Ethyl Ketone

CAS Number: 78‑93‑3

Synonyms: Methyl ethyl ketone; MEK; 2-butanone; ethyl methyl ketone; methylpropanone; methylacetone

Chemical Formula :C₄H₈O

Molecular Weight:72.11 g/mol

Product Introduction

A colorless, volatile liquid with a sharp, sweet, acetone-like odor. Partially water-soluble and widely used industrially as a solvent in coatings, adhesives, inks, and degreasing applications—also a precursor in MEK peroxide for unsaturated polyester resins.

Physical & Chemical Properties

Property Value
Appearance Colorless liquid
Odor Sharp, sweet, acetone-like
Density @ 20 °C 0.805 g/mL
Melting Point −86 °C
Boiling Point 79.6 °C
Flash Point (CC) −9 °C
Vapor Pressure @ 20 °C ≈77 mm Hg
Refractive Index (n₂₀ᴅ) 1.3788
Solubility in Water @ 20 °C ~24–27.5 g/100 mL
Dipole Moment 2.76 D
Explosion Limits 1.4–11.4 vol %

Applications

  • Solvent coatings, resins, adhesives, inks, degreasing, oil dewaxing
  • Chemical intermediate:MEK peroxide, oxime, resins, antioxidants
  • Electronics: photoresist development in semiconductor manufacturing Safety & Handling
  • Flammable; flashpoint −9 °C. Vapors may form explosive mixtures.
  • Vapor irritates eyes, nose, throat; CNS depressant. OSHA/NIOSH TWA 200 ppm; STEL 300 ppm; IDLH 3000 ppm.
  • Reactive:peroxide formation in alcohol mixtures. Use PPE, store in well-ventilated area away from oxidizers and ignition sources.
+91 9867824846
Enquiry Now