Methyl Ethyl Ketone

C₄H₈O

IUPAC: Butan-2-one

CAS: 78-93-3

Overview

MEK is a common industrial solvent used in lacquers, adhesives, and cleaning agents. It is also used in dewaxing lubricating oils.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 8 1.0080
Carbon C 4 12.0110
Oxygen O 1 15.9990

Elemental Composition

H
Hydrogen ×8
11.2%
C
Carbon ×4
66.6%
O
Oxygen ×1
22.2%

Uses

  • • Industrial solvent
  • • Lacquer production
  • • Adhesive solvent
  • • Lubricating oil dewaxing

Fun Facts

  • ✦ Produced naturally in some trees and found in small amounts in food

Safety

  • ⚠ Flammable
  • ⚠ Irritant

Structure

SMILES

CCC(=O)C

Properties

Type
organic
State
liquid
Molar Mass
72.11 g/mol
Density
0.8050 g/cm³
Melting Point
-86.7 °C
Boiling Point
79.6 °C
Solubility
275 g/L at 20°C

Molecular Descriptors

Exact Mass
72.0575
XLogP
0.3
TPSA
17.1 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
1
Heavy Atoms
5
Complexity
38.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is Methyl Ethyl Ketone?
Methyl Ethyl Ketone (C₄H₈O) is a organic compound with the IUPAC name Butan-2-one.
What is the molecular weight of Methyl Ethyl Ketone?
Methyl Ethyl Ketone has a molar mass of 72.11 g/mol.
What state is Methyl Ethyl Ketone at room temperature?
Methyl Ethyl Ketone is a liquid at room temperature.
Is Methyl Ethyl Ketone organic or inorganic?
Methyl Ethyl Ketone is classified as an organic compound.
What elements make up Methyl Ethyl Ketone?
Methyl Ethyl Ketone (C₄H₈O) is composed of Hydrogen (H), Carbon (C), Oxygen (O).