Silicone (Polydimethylsiloxane)

(C₂H₆OSi)ₙ

IUPAC: Poly(dimethylsiloxane)

CAS: 63148-62-9

Overview

PDMS is the most widely used silicone, with applications from medical implants to cooking molds, lubricants, and waterproofing agents.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 6 1.0080
Carbon C 2 12.0110
Oxygen O 1 15.9990
Silicon Si 1 28.0850

Elemental Composition

H
Hydrogen ×6
8.2%
C
Carbon ×2
32.4%
O
Oxygen ×1
21.6%
Si
Silicon ×1
37.9%

Uses

  • • Medical implants
  • • Cosmetics (dimethicone)
  • • Mold release agent
  • • Waterproofing

Fun Facts

  • ✦ The main ingredient in silicone bakeware, breast implants, and many cosmetic products

Properties

Type
polymer
State
liquid
Molar Mass
74.15 g/mol
Density
0.9650 g/cm³
Melting Point
-40.0 °C
Solubility
insoluble

Related Compounds

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Nomex

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Phenol-Formaldehyde Resin

(C₇H₆O₂)ₙ

Polyacrylonitrile

(C₃H₃N)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Polyethylene

(C₂H₄)ₙ

Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

Frequently Asked Questions

What is Silicone (Polydimethylsiloxane)?
Silicone (Polydimethylsiloxane) ((C₂H₆OSi)ₙ) is a polymer compound with the IUPAC name Poly(dimethylsiloxane).
What is the molecular weight of Silicone (Polydimethylsiloxane)?
Silicone (Polydimethylsiloxane) has a molar mass of 74.15 g/mol.
What state is Silicone (Polydimethylsiloxane) at room temperature?
Silicone (Polydimethylsiloxane) is a liquid at room temperature.
Is Silicone (Polydimethylsiloxane) organic or inorganic?
Silicone (Polydimethylsiloxane) is classified as an inorganic compound.
What elements make up Silicone (Polydimethylsiloxane)?
Silicone (Polydimethylsiloxane) ((C₂H₆OSi)ₙ) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Silicon (Si).