Benzene

C₆H₆

IUPAC: Benzene

CAS: 71-43-2

Overview

Benzene is the simplest aromatic hydrocarbon, with a planar hexagonal ring of six carbon atoms. It is a fundamental building block in organic chemistry.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 6 1.0080
Carbon C 6 12.0110

Elemental Composition

H
Hydrogen ×6
7.7%
C
Carbon ×6
92.3%

Uses

  • • Styrene production
  • • Nylon precursor
  • • Solvent (historical)
  • • Drug synthesis

Fun Facts

  • ✦ Kekulé claimed to have discovered benzene's ring structure after dreaming of a snake seizing its own tail

Safety

  • ⚠ Carcinogen
  • ⚠ Flammable
  • ⚠ Toxic — causes leukemia with chronic exposure

Structure

SMILES

C1=CC=CC=C1

Properties

Type
organic
State
liquid
Molar Mass
78.11 g/mol
Density
0.8790 g/cm³
Melting Point
5.5 °C
Boiling Point
80.1 °C
Solubility
1.79 g/L at 25°C

Molecular Descriptors

Exact Mass
78.0470
XLogP
2.1
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
6
Complexity
15.0

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 Benzene?
Benzene (C₆H₆) is a organic compound with the IUPAC name Benzene.
What is the molecular weight of Benzene?
Benzene has a molar mass of 78.11 g/mol.
What state is Benzene at room temperature?
Benzene is a liquid at room temperature.
Is Benzene organic or inorganic?
Benzene is classified as an organic compound.
What elements make up Benzene?
Benzene (C₆H₆) is composed of Hydrogen (H), Carbon (C).