2,3,7,8-Tetrachlorodibenzo-p-dioxin

• Formula: C₁₂H₄Cl₄O₂
• Molecular weight: 321.971
• IUPAC Standard InChI: InChI=1S/C12H4Cl4O2/c13-5-1-9-10(2-6(5)14)18-12-4-8(16)7(15)3-11(12)17-9/h1-4H Copy

  
• IUPAC Standard InChIKey: HGUFODBRKLSHSI-UHFFFAOYSA-N Copy
• CAS Registry Number: 1746-01-6
• 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: Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-; Dioxin (herbicide contaminant); TCDBD; TCDD; 2,3,7,8-Tetrachlorodibenzo-1,4-Dioxin; Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro-; 2,3,7,8-Czterochlorodwubenzo-p-dwuoksyny; Dioksyny; Dioxine; Dioxin; NCI-C03714; 2,3,7,8-TCDD; 2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxan; Tetradioxin; Tetrachlorodibenzodioxin; 2,3,7,8-tetrachlorodibenzodioxin; 2,3,7,8-tetrachlorodibenzo[b,e][1,4]dioxin
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

Mass spectrum (electron ionization)

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

Gas Chromatography

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

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

Schroy, Hileman, et al., 1985
Schroy, Jerry M.; Hileman, Fred D.; Cheng, Sam C., Physical/chemical properties of 2,3,7,8-TCDD, Chemosphere, 1985, 14, 6-7, 877-880, https://doi.org/10.1016/0045-6535(85)90207-3 . [all data]

Rordorf, 1986
Rordorf, B.F., , Proceedings of the Fifth International Symposium on Chlorinated Dioxins and Related Compounds (16-19 September), Bayreuth, Germany, 1986. [all data]

Shomburg G., Husmann H., et al., 1985
Shomburg G.; Husmann H.; Hubinger E., Multidimensional separation of isomeric species of chlorinated hydrocarbons such as PCB, PCDD and PCDF, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1985, 8, 8, 395-400, https://doi.org/10.1002/jhrc.1240080807 . [all data]

Donnelly, Munslow, et al., 1991
Donnelly, J.R.; Munslow, W.D.; Grange, A.H.; Pettit, T.L.; Simmons, R.D.; Sovocool, G.W., Correlation of structure with linear retention index for bromo- and bromochlorodibenzo-p-dioxins and bromodibenzofurans, J. Chromatogr., 1991, 540, 293-310, https://doi.org/10.1016/S0021-9673(01)88817-8 . [all data]

Donnelly, Munslow, et al., 1991, 2
Donnelly, J.R.; Munslow, W.D.; Grange, A.H.; Pettit, T.L.; Simmons, R.D.; Kumar, K.S.; Sovocool, G.W., A gas chromatographic/mass spectrometric approach for isomer-specific environmental monitoring of the 1700 bromo-, chloro-, and bromoschloro-dibenzo-p-dioxins, Biol. Mass Spectrom., 1991, 20, 5, 329-337, https://doi.org/10.1002/bms.1200200515 . [all data]

Donnelly, Munslow, et al., 1987
Donnelly, J.R.; Munslow, W.D.; Mitchum, R.K.; Sovocool, G.W., Correlation of structure with rentention index for chlorinated dibenzo-p-dioxins, J. Chromatogr., 1987, 392, 51-63, https://doi.org/10.1016/S0021-9673(01)94253-0 . [all data]

Korhonen and Mantykoski, 1989
Korhonen, I.O.O.; Mantykoski, K.M., Gas-Liquid Chromatographic Analyses. L. Retention, Dispersion and Selectivity Indices of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans, J. Chromatogr., 1989, 477, 2, 327-336, https://doi.org/10.1016/S0021-9673(01)89641-2 . [all data]

Zhao and Yu, 2007
Zhao, J.-S.; Yu, S.-X., Quantitative structure-retention relationship for polychlorinated dibenzodioxins based on molecular interaction fields ...., Chin. J. Anal. Chem., 2007, 35, 12, 1756-1760. [all data]

Lin, Liu, et al., 2002
Lin, Z.; Liu, S.; Li, Z., Molecular modeling of quantitative structure retention relationship studies: retention behavior of polychlorinated dibenzofurans on gas chromatographic stationary phases of varying polarity by a novel molecular distance edge vector, J. Chromatogr. Sci., 2002, 40, 7-13. [all data]

Notes

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• Symbols used in this document:
  

  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation

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