Polietileno

(C₂H₄)ₙ

IUPAC: Polyethene

CAS: 9002-88-4

Descripción general

Polyethylene is the most widely produced plastic in the world, with annual production exceeding 100 million tonnes. It comes in several varieties (HDPE, LDPE, LLDPE) with different densities and properties. It is used in packaging, bottles, pipes, and films.

Composición

Elemento Símbolo Átomos Masa atómica
Hidrógeno H 4 1,0080
Carbono C 2 12,0110

Composición elemental

H
Hidrógeno ×4
14,4%
C
Carbono ×2
85,6%

Usos

  • • Plastic bags and films (LDPE)
  • • Bottles and containers (HDPE)
  • • Pipes and fittings
  • • Packaging materials

Datos curiosos

  • ✦ Accidentally discovered in 1933 by ICI researchers applying high pressure to ethylene
  • ✦ Takes 500-1000 years to decompose in landfills

Seguridad

  • ⚠ Generally non-toxic
  • ⚠ Environmental pollution from single-use plastics
  • ⚠ Microplastic contamination

Propiedades

Tipo
polymer
Estado
solid
Masa molar
28,05 g/mol
Densidad
0,9400 g/cm³
Punto de fusión
115,0 °C
Solubilidad
insoluble

También conocido como

Polythene PE

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Frequently Asked Questions

What is Polietileno?
Polietileno ((C₂H₄)ₙ) is a polymer compound with the IUPAC name Polyethene.
What is the molecular weight of Polietileno?
Polietileno has a molar mass of 28.054 g/mol.
What state is Polietileno at room temperature?
Polietileno is a solid at room temperature.
Is Polietileno organic or inorganic?
Polietileno is classified as an inorganic compound.
What elements make up Polietileno?
Polietileno ((C₂H₄)ₙ) is composed of Hidrógeno (H), Carbono (C).