1,3-Dichloro-1,1,2,2,3-pentafluoropropane

1,3-Dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb, chemical formula C3HF5Cl2) is a hydrochlorofluorocarbon. It is a derivative of propane. It has been used as a replacement for 1,1,2-trichloro-1,2,2-trifluoroethane in cleaning agents.[2]

1,3-Dichloro-1,1,2,2,3-pentafluoropropane
Names
IUPAC name
1,3-dichloro-1,1,2,2,3-pentafluoropropane
Identifiers
3D model (JSmol)
1748901
ChemSpider
ECHA InfoCard 100.007.343
EC Number
  • 208-076-9
UNII
UN number 3082
  • InChI=1S/C3HCl2F5/c4-1(6)2(7,8)3(5,9)10/h1H
    Key: UJIGKESMIPTWJH-UHFFFAOYSA-N
  • C(C(C(F)(F)Cl)(F)F)(F)Cl
Properties
C3HF5Cl2
Molar mass 201.9375462
Appearance Clear, colorless
Odor Odorless
Density 1.56 g/ml (Liquid)
Melting point −97 °C (−143 °F; 176 K)
Boiling point 56 °C (133 °F; 329 K)
Vapor pressure 38.13kPa @ 25 °C
Thermal conductivity 0.057 W/m-K
Hazards
GHS labelling:[1]
Warning
H315, H319, H332
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P317, P321, P332+P317, P337+P317, P362+P364
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Atmospheric effects

The production of 1,3-dichloro-1,1,2,2,3-pentafluoropropane and use as a cleaning agent replacement for CFC-113 may result in its release to the environment through various waste streams. If released to air, a vapor pressure of 286 mm Hg at 25 °C indicates 1,3-dichloro-1,1,2,2,3-pentafluoropropane will exist solely as a vapor in the ambient atmosphere. When released in air, it is subject to degradation in the atmosphere by reaction with photochemically produced hydroxyl radicals; the half-life for this reaction in air is estimated to be 4.9 years.[3]

Manufacturing

1,3-Dichloro-1,1,2,2,3-pentafluoropropane is manufactured in industry by the addition of Dichlorofluoromethane to Tetrafluoroethylene.[4] In 2016, production in the United States accounted to 11,339 Kilograms. In most cases, it is fairly unreactive. However in some circumstances it can react with active metals under extreme temperatures. When reacted with strong bases, toxic gases can be released.

See also

References
  1. "1,3-Dichloro-1,1,2,2,3-pentafluoropropane". pubchem.ncbi.nlm.nih.gov. Retrieved 13 April 2022.
  2. "1,3-Dichloro-1,1,2,2,3-pentafluoropropane".
  3. "1,3-Dichloro-1,1,2,2,3-pentafluoropropane".
  4. "1,3-Dichloro-1,1,2,2,3-pentafluoropropane".
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