Ethane, 1,1,2,2-tetrachloro-1,2-difluoro-

• Formula: C₂Cl₄F₂
• Molecular weight: 203.830
• IUPAC Standard InChI: InChI=1S/C2Cl4F2/c3-1(4,7)2(5,6)8 Copy

  
• IUPAC Standard InChIKey: UGCSPKPEHQEOSR-UHFFFAOYSA-N Copy
• CAS Registry Number: 76-12-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: s-Tetrachlorodifluoroethane; F-112; Freon R 112; Freon 112; Genetron 112; Tetrachloro-1,2-Difluoroethane; Ucon 112; 1,1,2,2-Tetrachloro-1,2-difluoroethane; 1,2-Difluoro-1,1,2,2-tetrachloroethane; CFCl2CFCl2; 1,1,2,2-Tetrachlorodifluoroethane; Difluorotetrachloroethane; 1,2-Difluorotetrachloroethane; Ethane, 1,2-difluoro-1,1,2,2-tetrachloro-; FC 112; Halocarbon 112; Refrigerant 112; sym-Tetrachlorodifluoroethane; Daiflon 112; R 112; Daiflon S2
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Henry's Law data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Henry's Law data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Henry's Law data

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

References

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kishimoto, Suga, et al., 1978
Kishimoto, K.; Suga, H.; Seki, S., Calorimetri study of the glassy state. XIV. Calorimetric study on unusual glass transition phenomena in CFCl₂-CFCl₂, Bull. Chem. Soc. Jpn., 1978, 51, 1691-1696. [all data]

Kosarukina, Kolesov, et al., 1978
Kosarukina, E.A.; Kolesov, V.P.; Vorob'ev, V.N.; Vogel, L., The heat capacity of 1,1,2,2-tetrachloro-1,2-difluoroethane in the temperature range 12-310 K, Zhur. Fiz. Khim., 1978, 52, 509. [all data]

Yarrington and Kay, 1957
Yarrington, R.M.; Kay, W.B., The liquid specific heats of some fluorocarbon compounds, J. Phys. Chem., 1957, 61, 1259-1260. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.