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
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
• 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)

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

References

Go To: Top, Phase change data, Henry's Law data, Mass spectrum (electron ionization), Notes

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]

Notes

Go To: Top, Phase change data, Henry's Law data, Mass spectrum (electron ionization), References

• 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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