Dibenzo[b,E][1,4]dioxin, 2,7-dichloro-

• Formula: C₁₂H₆Cl₂O₂
• Molecular weight: 253.081
• IUPAC Standard InChI: InChI=1S/C12H6Cl2O2/c13-7-1-3-9-11(5-7)16-10-4-2-8(14)6-12(10)15-9/h1-6H Copy

  
• IUPAC Standard InChIKey: NBFMTHWVRBOVPE-UHFFFAOYSA-N Copy
• CAS Registry Number: 33857-26-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Dibenzo-p-dioxin, 2,7-dichloro-; 2,7-Dichlorodibenzo-p-dioxin; 2,7-Dichlorodibenzodioxin; Dcdd; NCI-C03667; 2,7-Dichlorodibenzo[b,e] [1,4]dioxin
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• Information on this page:
  • Phase change data
  • Henry's Law data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

Henry's Law 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: 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)

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

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.

Li, Shibata, et al., 2004
Li, Xian-Wei; Shibata, Etsuro; Kasai, Eiki; Nakamura, Takashi, VAPOR PRESSURES AND ENTHALPIES OF SUBLIMATION OF 17 POLYCHLORINATED DIBENZO-p-DIOXINS AND FIVE POLYCHLORINATED DIBENZOFURANS, Environ Toxicol Chem, 2004, 23, 2, 348-808, https://doi.org/10.1897/03-193 . [all data]

Rordorf, 1989
Rordorf, Berchtold F., Prediction of vapor pressures, boiling points and enthalpies of fusion for twenty-nine halogenated dibenzo-p-dioxins and fifty-five dibenzofurans by a vapor pressure correlation method, Chemosphere, 1989, 18, 1-6, 783-788, https://doi.org/10.1016/0045-6535(89)90196-3 . [all data]

Rordorf, 1986
Rordorf, Berchtold F., Thermal properties of dioxins, furans and related compounds, Chemosphere, 1986, 15, 9-12, 1325-1332, https://doi.org/10.1016/0045-6535(86)90407-8 . [all data]

Shiu, Doucette, et al., 1988
Shiu, W.-Y.; Doucette, W.; Gobas, F.A.P.; Andren, A.; Mackay, D., Physical-chemical Properties of Chlorinated Dibenzo-p-dioxins, Environ. Sci. Technol., 1988, 22, 651-658. [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:
  

  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔsubH	Enthalpy of sublimation

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