Styrene

C₈H₈

IUPAC: Ethenylbenzene

CAS: 100-42-5

Overview

Styrene is an important industrial monomer used to produce polystyrene, synthetic rubber, and ABS plastic. It is derived from ethylbenzene by catalytic dehydrogenation. It has a sweet, floral odor at low concentrations but becomes pungent and unpleasant at higher levels.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 8 1.0080
Carbon C 8 12.0110

Elemental Composition

H
Hydrogen ×8
7.7%
C
Carbon ×8
92.3%

Uses

  • • Polystyrene production
  • • Synthetic rubber (SBR) production
  • • ABS plastic production
  • • Fiberglass-reinforced polyester

Fun Facts

  • ✦ Named after styrax resin from the Turkish sweetgum tree, from which it was first isolated

Safety

  • ⚠ Probable carcinogen (IARC Group 2A)
  • ⚠ CNS depressant
  • ⚠ Reproductive toxin

Structure

SMILES

C=CC1=CC=CC=C1

Properties

Type
organic
State
liquid
Molar Mass
104.15 g/mol
Density
0.9090 g/cm³
Melting Point
-30.0 °C
Boiling Point
145.0 °C
Solubility
0.29 g/L at 25°C

Molecular Descriptors

Exact Mass
104.0626
XLogP
2.9
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
1
Heavy Atoms
8
Complexity
68.0

Also Known As

Vinylbenzene Styrol

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 Styrene?
Styrene (C₈H₈) is a organic compound with the IUPAC name Ethenylbenzene.
What is the molecular weight of Styrene?
Styrene has a molar mass of 104.152 g/mol.
What state is Styrene at room temperature?
Styrene is a liquid at room temperature.
Is Styrene organic or inorganic?
Styrene is classified as an organic compound.
What elements make up Styrene?
Styrene (C₈H₈) is composed of Hydrogen (H), Carbon (C).