Skip to main content

Chlorodifluoromethane

ADVERTISEMENT
Identification
Molecular formula
CHClF2
CAS number
75-45-6
IUPAC name
chloro(difluoro)methane
State
State

At room temperature, chlorodifluoromethane exists as a gas. It is widely used as a refrigerant and has been used in gaseous extinguishing agents for fire suppression systems.

Melting point (Celsius)
-157.20
Melting point (Kelvin)
115.95
Boiling point (Celsius)
-40.80
Boiling point (Kelvin)
232.35
General information
Molecular weight
86.47g/mol
Molar mass
86.4680g/mol
Density
1.4890g/cm3
Appearence

Chlorodifluoromethane is a colorless gas or liquid depending on temperature and pressure conditions. Its liquid state can be observed under pressure or colder temperatures. The compound is generally non-flammable and has a mildly ether-like odor.

Comment on solubility

Solubility of Chloro(difluoro)methane

Chloro(difluoro)methane, with the chemical formula CHF2Cl, is notable for its unique solubility characteristics. It primarily dissolves in organic solvents rather than in water, which is a common trend for many halogenated compounds. The solubility can be affected by several factors:

  • Polarity: Due to the presence of the polar carbon-chlorine bond, chloro(difluoro)methane exhibits moderate polarity, which enhances its solubility in polar organic solvents.
  • Temperature: Like many compounds, its solubility typically increases with temperature, allowing for greater interaction with solvent molecules.
  • Pressure: The solubility in gaseous form can vary with pressure changes, important in industrial applications.

Moreover, it is essential to note that chloro(difluoro)methane does not dissolve easily in water due to its specific molecular structure that limits hydrogen bonding with water molecules. This selective solubility may be highlighted by the phrase: "Like dissolves like," emphasizing the idea that compounds with similar polarities tend to be more soluble in one another.

This compound’s solubility profile makes it useful in specialized applications, particularly in the synthesis of other chemical products and in refrigeration technologies.

Interesting facts

Interesting Facts about Chloro(difluoro)methane

Chloro(difluoro)methane, commonly known as HCFC-22, is a fascinating compound that has garnered significant attention in both industrial and environmental spheres. Here are some intriguing aspects:

  • Uses in Industry: Chloro(difluoro)methane is primarily utilized as a refrigerant in air conditioning and refrigeration systems. Its efficient thermodynamic properties make it a popular choice for keeping food fresh and maintaining comfortable indoor climates.
  • Environmental Impact: As an ozone-depleting substance, HCFC-22 has been subject to strict regulations under the Montreal Protocol. Although less harmful than its predecessors, its use is being phased out in favor of more environmentally friendly alternatives.
  • Chemical Behavior: This compound is notable for its relatively stable nature, which allows it to persist in the atmosphere. While it does decompose over time, understanding its behavior is crucial for predicting its long-term environmental impact.
  • Historical Significance: Chloro(difluoro)methane was introduced in the late 20th century as a transitional compound. Its development represented a step toward reducing the use of more harmful chlorofluorocarbons (CFCs) in various applications, showcasing the evolution of chemical safety.
  • Reactivity: The presence of chlorine and fluorine atoms in its molecular structure gives HCFC-22 unique chemical reactivity. This property has implications for both its functionality in industrial applications and its interactions in environmental contexts.

In summary, chloro(difluoro)methane stands at the intersection of chemical utility and environmental stewardship. As scientists continue to explore alternatives and enhance safety protocols, the legacy of HCFC-22 will undoubtedly play a key role in the future of chemical applications.

Synonyms
CHLORODIFLUOROMETHANE
75-45-6
Difluorochloromethane
chloro(difluoro)methane
Methane, chlorodifluoro-
Frigen
Fluorocarbon 22
Propellant 22
Monochlorodifluoromethane
HCFC-22
Khladon 22
Frigen 22
Freon 22
F 22 (halocarbon)
Algofrene 6
Fluorocarbon-22
Difluoromonochloromethane
Algofrene type 6
Algofrene 22
Arcton 4
Genetron 22
Daiflon 22
Eskimon 22
Flugene 22
Haltron 22
Isotron 22
Refrigerant R 22
Algeon 22
Arcton 22
Forane 22
Hydrochlorofluorocarbon 22
Isceon 22
Electro-CF 22
Dymel 22
Chlorofluorocarbon 22
Forane 22 B
HCFC 22
Ucon 22
Refrigerant 22
FKW 22
FC 22
CHClF2
CHF2Cl
CCRIS 858
Chloro-difluoro-methane
CFC 22
HFA-22
HSDB 143
UNII-ZFO627O6CN
FREON-22
EINECS 200-871-9
UN1018
BRN 1731036
F 22
R-22
Monochlorodifluormethane
Flon 22
SOLKANE 22
ZFO627O6CN
DTXSID6020301
CHEBI:82417
EC 200-871-9
4-01-00-00032 (Beilstein Handbook Reference)
CHLORODIFLUOROMETHANE [HSDB]
CHLORODIFLUOROMETHANE [IARC]
UN 1018
Racon 22
R 22 (refrigerant)
CHLORODIFLUOROMETHANE (IARC)
chloro-difluoromethane
Fluorocarbon22
Genetron22
Diflurochloromethane
Khaladon 22
difiuorochloromethane
Freon22
ElectroCF 22
MFCD00000821
Freon R22
HCF2Cl
Difluoromethyl chloride
chloro-difluoro methane
Methane, chlorodifluoro
Chlorodifluoromethane 99%
ESKIMON-22
UCONN-22
Fluorocarbon-22, Freon22
HFA22
FRON 22
Chlorodifluoromethane (ACGIH)
DTXCID60301
REFRIGERANT GAS R-22
chloranyl-bis(fluoranyl)methane
CHEMBL116155
HFA 22
DTXSID90168648
AKOS006228558
R22 [UN1018] [Nonflammable gas]
HYDROCHLOROFLUOROCARBON 22 [INCI]
R 22
NS00011371
C19361
Chlorodifluoromethane 100 microg/mL in Methanol
A838420
Chlorodifluoromethane 1000 microg/mL in Methanol
Q422994
Chlorodifluoromethane [R22] [UN1018] [Nonflammable gas]
55585-03-0