Freon-12

CCl₂F₂

IUPAC: Dichlorodifluoromethane

CAS: 75-71-8

概要

Freon-12 (CFC-12) was the most widely used refrigerant until the Montreal Protocol banned it for depleting the ozone layer. It has an atmospheric lifetime of 100 years.

組成

元素 記号 原子 原子質量
Carbon C 1 12.0110
Fluorine F 2 18.9980
Chlorine Cl 2 35.4500

元素組成

用途

  • Historical refrigerant
  • Aerosol propellant (banned)

豆知識

  • The Montreal Protocol banning CFCs is considered the most successful international environmental treaty

安全性

  • ⚠ Ozone depleting substance
  • ⚠ Potent greenhouse gas

Structure

SMILES

C(F)(F)(Cl)Cl

特性

タイプ
organic
状態
gas
モル質量
120.91 g/mol
密度
0.0054 g/cm³
融点
-157.7 °C
沸点
-29.8 °C
溶解度
0.286 g/L at 20°C

Molecular Descriptors

Exact Mass
119.9345
XLogP
2.3
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
5
Complexity
30.0

Frequently Asked Questions

What is Freon-12?
Freon-12 (CCl₂F₂) is a organic compound with the IUPAC name Dichlorodifluoromethane.
What is the molecular weight of Freon-12?
Freon-12 has a molar mass of 120.91 g/mol.
What state is Freon-12 at room temperature?
Freon-12 is a gas at room temperature.
Is Freon-12 organic or inorganic?
Freon-12 is classified as an organic compound.
What elements make up Freon-12?
Freon-12 (CCl₂F₂) is composed of Carbon (C), Fluorine (F), Chlorine (Cl).