Sub-Product

Main Product
Polyethylbenzene
Segment
Chemicals
Main-Family
Aromatics
Sub-Family
Benzene & Homologues
Physical State

Liquid

Sub-Product
Diethylbenzene
Abbreviation
DEB
Alt. Names
Diethylbenzol; Diethyl-benzen ; Diethylbenzenes; ;1,x-Diethylbenzene

Diethylbenzene (DEB) is an aromatic hydrocarbon with the chemical formula C6H4(C2H6)2.

It exists as three isomers—ortho (1,2-), meta (1,3-), and para (1,4-)—each consisting of a benzene ring substituted with two ethyl groups.

DEB is a colorless, flammable liquid with a characteristic aromatic odor, insoluble in water but miscible with organic solvents.

It is mainly produced as a minor byproduct during the industrial alkylation of benzene with ethylene to manufacture ethylbenzene, and can be recycled via transalkylation.

Diethylbenzene is used as an intermediate in organic synthesis, as a precursor to divinylbenzene (for crosslinked polystyrene), and as a component in low-temperature heat transfer fluids.

 

References

  1. Wikipedia, Diethylbenzenes. (accessed 20th April 2025)
  2. Chemical Book, Diethylbenzene. (accessed 20th Apr 2025)
Identifiers
logo CAS Number
25340-17-4
logo ECHA InfoCard
Chemical Data
Chemical Formula

C10H14

Molecular Weight (g/mol)
134.22
Sulfur Content (wt%)
0
Specific Gravity
0.87
Properties
Default
Status
A
System Info
Update by
UserPic  Kokel, Nicolas
Updated
4/20/2025 1:18 PM
Added by
UserPic  Kokel, Nicolas
Added
4/20/2025 1:07 PM
Solutions
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Products Picture
The three isomers of diethylbenzene: ortho-, meta-, and para-diethylbenzene (left to right) https://en.wikipedia.org/wiki/Diethylbenzenes
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Title Date
  UserPic Diethylbenzene added. 4/20/2025