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HCFC-142b

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Identification
Molecular formula
C2H3ClF2
CAS number
75-68-3
IUPAC name
1-chloro-1,1-difluoro-ethane
State
State

At room temperature, 1-chloro-1,1-difluoroethane exists as a gas. It is stored under pressure as a liquid in cylinders.

Melting point (Celsius)
-131.00
Melting point (Kelvin)
142.15
Boiling point (Celsius)
-9.20
Boiling point (Kelvin)
263.95
General information
Molecular weight
100.50g/mol
Molar mass
100.4980g/mol
Density
1.1760g/cm3
Appearence

1-Chloro-1,1-difluoroethane, also known as HCFC-142b, is a colorless gas at room temperature. It is often compressed into liquid form for storage and transportation. It has a faint ethereal odor.

Comment on solubility

Solubility of 1-chloro-1,1-difluoro-ethane

1-chloro-1,1-difluoro-ethane, with the chemical formula C2HClF2, exhibits unique solubility characteristics that are essential to understand for various applications. This compound is classified as a polar molecule due to the presence of chlorine and fluorine atoms, which significantly influences its solubility behavior.

Factors Affecting Solubility

When discussing the solubility of 1-chloro-1,1-difluoro-ethane, consider the following key points:

  • Solvent Polarity: It is more soluble in polar solvents like alcohols and acetone compared to non-polar solvents.
  • Saturation Point: The solubility limit can be affected by temperature; typically, increased temperature enhances solubility in liquids.
  • Intermolecular Interactions: Hydrogen bonding with polar solvents can also enhance solubility.

General Notes

In practical terms, due to its polar nature, you can expect 1-chloro-1,1-difluoro-ethane to dissolve well in polar aprotic solvents, which can facilitate its use in chemical synthesis or applications requiring solubilization of other polar substances. However, direct compatibility with water remains low, a common trait observed in compounds that feature substantial fluorine substitution.

In summary, when working with 1-chloro-1,1-difluoro-ethane, it is important to choose solvents that complement its chemical properties for optimal solubility outcomes.

Interesting facts

Interesting Facts about 1-chloro-1,1-difluoro-ethane

1-chloro-1,1-difluoro-ethane, commonly known as HCFC-142b, is a fascinating chemical compound with several intriguing characteristics. As a member of the hydrofluorocarbon (HFC) family, it has gained attention both for its commercial applications and environmental implications. Here are some key points about this compound:

  • Uses: Primarily, 1-chloro-1,1-difluoro-ethane is utilized as a refrigerant, serving as a substitute for ozone-depleting substances in various cooling systems.
  • Energy Efficiency: This compound has been praised for its favorable energy efficiency when used in refrigeration and air conditioning systems, contributing to lower energy consumption.
  • Environmental Impact: While HCFC-142b has a lower ozone depletion potential than its predecessors, it is still considered a potent greenhouse gas. As such, efforts are being made to phase out its use under international agreements like the Montreal Protocol.
  • Toxicity Considerations: Scientists have noted that, although it poses lower toxicity risks than many other chemical refrigerants, appropriate handling and safety measures are essential to mitigate any potential health risks during industrial use.
  • Structure and Stability: The unique structure comprising chlorine and fluorine atoms contributes to its stability, making it effective in its applications while presenting challenges concerning environmental degradation.

In summary, 1-chloro-1,1-difluoro-ethane exemplifies the dual nature of many industrial chemicals: with valuable properties that facilitate modern technology but also significant responsibilities regarding environmental stewardship.

Synonyms
1-Chloro-1,1-difluoroethane
75-68-3
HCFC-142b
Genetron 142b
Ethane, 1-chloro-1,1-difluoro-
Freon 142b
Propellant 142b
Genetron 101
Gentron 142B
Fluorocarbon FC142b
Hydrochlorofluorocarbon 142b
Chloroethylidene fluoride
1,1-Difluoro-1-chloroethane
Fluorocarbon 142b
Isotron 142b
R-142b
CFC 142b
FREON 142
Difluoro-1-chloroethane
FC142b
Chlorofluorocarbon 142b
FUC3XHA6GY
UNII-FUC3XHA6GY
F 142b
HSDB 2881
EINECS 200-891-8
UN2517
BRN 1731584
.alpha.-Chloroethylidene fluoride
Dymel 142
CH3CF2Cl
PROPELLANT-142B
SOLKANE 142B
HCFC 142b
FREON-142B
FC 142b
DTXSID9023960
R 142b
EC 200-891-8
UN 2517
CHLORO-1,1-DIFLUOROETHANE, 1-
1-CHLORO-1,1-DIFLUOROETHANE [HSDB]
Monochlorodifluoroethane
Difluorochloroethanes
Difluoro1chloroethane
Ethane, chlorodifuoro-
CH3CClF2
1,1Difluoro1chloroethane
1Chloro1,1difluoroethane
Refrigerant gas R 142b
HCFC142b
DAIFLON 142B
1,1,1-Chlorodifluoroethane
1,1,1-Difluorochloroethane
Ethane, 1chloro1,1difluoro
SCHEMBL30184
1-Chloro-1,1-difluoroethan
HCFC 142 b
FRON 142B
alpha-Chloroethylidene fluoride
CFC-142B
DTXCID903960
FKW 142B
HFA 142B
REFRIGERANT GAS R-142B
R142B
1-Chloro-1,1-difluoroethan (Dutch)
1-Chloro-1,1-difluoroethane, 98%
AKOS007930004
1-Chloro-1,1-Difluoroethane (Hcfc142B)
DB-055977
HYDROCHLOROFLUOROCARBON 142B [INCI]
NS00005610
Q161601
1-Chloro-1,1-difluoroethane 100 microg/mL in Methanol
1-Chloro-1,1-difluoroethane or Refrigerant gas R 142b
1-Chloro-1,1-difluoroethane 1000 microg/mL in Methanol
1-Chloro-1,1-difluoroethane or Refrigerant gas R 142b [UN2517] [Flammable gas]