Freon-12

CCl₂F₂

IUPAC: Dichlorodifluoromethane

CAS: 75-71-8

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Carbon C 1 12,0110
Fluorine F 2 18,9980
Chlorine Cl 2 35,4500

Thành phần nguyên tố

C
Carbon ×1
9,9%
F
Fluorine ×2
31,4%
Cl
Chlorine ×2
58,6%

Công dụng

  • • Historical refrigerant
  • • Aerosol propellant (banned)

Sự thật thú vị

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

An toàn

  • ⚠ Ozone depleting substance
  • ⚠ Potent greenhouse gas

Structure

SMILES

C(F)(F)(Cl)Cl

Tính chất

Loại
organic
Trạng thái
gas
Khối lượng mol
120,91 g/mol
Mật độ
0,0054 g/cm³
Điểm nóng chảy
-157,7 °C
Điểm sôi
-29,8 °C
Độ hòa tan
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

Hợp chất liên quan

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

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).