DCPA

• Formula: C₁₀H₆Cl₄O₄
• Molecular weight: 331.964
• IUPAC Standard InChI: InChI=1S/C10H6Cl4O4/c1-17-9(15)3-5(11)7(13)4(10(16)18-2)8(14)6(3)12/h1-2H3 Copy

  
• IUPAC Standard InChIKey: NPOJQCVWMSKXDN-UHFFFAOYSA-N Copy
• CAS Registry Number: 1861-32-1
• 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.
• Species with the same structure:
  • DCPA
• Other names: 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrachloro-, dimethyl ester; Terephthalic acid, tetrachloro-, dimethyl ester; Chlorthal-methyl; Dacthal; Dimethyl tetrachloroterephthalate; Dimethyl 2,3,5,6-tetrachloroterephthalate; DAC 4; DAC-893; Tetrachloroterephthalic acid dimethyl ester; Chlorothal-methyl; Dacthalor; Dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylate; Fatal; 2,3,5,6-Tetrachloroterephthalic acid, dimethyl ester; 2,3,5,6-Tetrachlorphthalsaure-dimethylester; 2,3,5,6-Tetrachloro-1,4-benzenedicarboxilic acid dimethyl ester; 2,3,5,6-Tetrachloro-1,4-benzenedicarboxylic acid dimethyl ester; Chlorthal-dimethyl; Dimethyl ester of tetrachloroterephthalic acid; Terechloroterephthalic acid dimethyl ester; Terephthalic acid, 2,3,5,6-tetrachloro-,dimethyl ester; Vegetable turf and ornamental weeder; Chlorthal dimethyl ester; NSC 155745; TCTP; Tetral
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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Phase change data

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

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

References

Go To: Top, Phase change data, Notes

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

Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Plato, 1972
Plato, C., DSC as a general method for determining purity and heat of fusion of high-purity organic chemicals, Anal. Chem., 1972, 44, 1531. [all data]

DePablo, 1981
DePablo, Raul S., Vapor pressure of dimethyl tetrachloroterephthalate, J. Chem. Eng. Data, 1981, 26, 3, 237-239, https://doi.org/10.1021/je00025a001 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Notes

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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