Polystyrene

(C₈H₈)ₙ

IUPAC: Poly(1-phenylethylene)

CAS: 9003-53-6

Visão geral

Polystyrene is a versatile plastic that can be rigid or foamed. Expanded polystyrene (Styrofoam) is 95-98% air, giving it excellent insulating properties. Despite its utility, it is one of the most problematic plastics for the environment due to its non-biodegradability.

Composição

Elemento Símbolo Átomos Massa atômica
Hydrogen H 8 1,0080
Carbon C 8 12,0110

Composição elemental

H
Hydrogen ×8
7,7%
C
Carbon ×8
92,3%

Usos

  • • Styrofoam packaging and insulation
  • • Disposable cups and food containers
  • • Laboratory Petri dishes
  • • Model making

Curiosidades

  • ✦ Styrofoam is a brand name by Dow Chemical; the generic term is expanded polystyrene (EPS)

Segurança

  • ⚠ Not biodegradable
  • ⚠ Major environmental pollutant
  • ⚠ Styrene monomer is possibly carcinogenic

Propriedades

Tipo
polymer
Estado
solid
Massa molar
104,15 g/mol
Densidade
1,0500 g/cm³
Ponto de fusão
240,0 °C
Solubilidade
insoluble

Também conhecido como

Styrofoam (expanded) PS

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Frequently Asked Questions

What is Polystyrene?
Polystyrene ((C₈H₈)ₙ) is a polymer compound with the IUPAC name Poly(1-phenylethylene).
What is the molecular weight of Polystyrene?
Polystyrene has a molar mass of 104.152 g/mol.
What state is Polystyrene at room temperature?
Polystyrene is a solid at room temperature.
Is Polystyrene organic or inorganic?
Polystyrene is classified as an inorganic compound.
What elements make up Polystyrene?
Polystyrene ((C₈H₈)ₙ) is composed of Hydrogen (H), Carbon (C).