Heptachlor

• Formula: C₁₀H₅Cl₇
• Molecular weight: 373.318
• IUPAC Standard InChI: InChI=1S/C10H5Cl7/c11-4-2-1-3-5(4)9(15)7(13)6(12)8(3,14)10(9,16)17/h1-5H Copy

  
• IUPAC Standard InChIKey: FRCCEHPWNOQAEU-UHFFFAOYSA-N Copy
• CAS Registry Number: 76-44-8
• 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:
  • Indene, 1,4,5,6,7,8,8-heptachloro-3alpha,4,7,7alpha-tetrahydro-4,7-methano-
• Other names: 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-; 4,7-Methanoindene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-; Aahepta; Agroceres; E 3314; ENT 15,152; GPKh; Hepta; Heptachlorane; Rhodiachlor; Velsicol 104; 3-Chlorochlordene; 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene; Dicyclopentadiene, 3,4,5,6,7,8,8a-heptachloro-; Eptacloro; H-34; Heptachloor; Heptachlorotetrahydro-4,7-methanoindene; Heptagran; Heptamul; NCI-C00180; Technical heptachlor; Velsicol heptachlor; 1(3a),4,5,6,7,8,8-Heptachloro-3a(1),4,7,7a-tetrahydro-4,7-methanoindene; 1,4,5,6,7,10,10-Heptachloro-4,7,8,9-tetrahydro-4,7-endo-methyleneindene; 1,4,5,6,7,10,10-Heptachloro-4,7,8,9-tetrahydro-4,7-methyleneindene; 1,4,5,6,7,8,8-Eptacloro-3a,4,7,7a-tetraidro-4,7-endo-metano-indene; 1,4,5,6,7,8,8-Heptachloor-3a,4,7,7a-tetrahydro-4,7-endo-methano-indeen; 1,4,5,6,7,8,8-Heptachlor-3a,4,7,7,7a-tetrahydro-4,7-endo-methano-inden; 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7,7a-tetrahydro-4,7-methylene indene; 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-endo-methanoindene; 3a,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene; Drinox H-34; H-60; 3,4,5,6,7,8,8a-Heptachlorodicyclopentadiene; 1,4,5,6,7,8,8a-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane; Heptox; Latka 104; Rcra waste number P059; Heptachlore; Arbinex 30TN; NSC 8930; 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-endomethanoindene (heptachlor)
• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Options:
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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 vaporization

Enthalpy of fusion

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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Kovats' RI, non-polar column, custom temperature program

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

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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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Normal alkane RI, 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.

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]

Plato and Glasgow, 1969
Plato, C.; Glasgow, A.R., Jr., Differential scanning calorimetry as a general method for determining the purity and heat of fusion of high-purity organic chemicals. Application to 95 compounds, Anal. Chem., 1969, 41, 2, 330, https://doi.org/10.1021/ac60271a041 . [all data]

Hinckley, Bidleman, et al., 1990
Hinckley, Daniel A.; Bidleman, Terry F.; Foreman, William T.; Tuschall, Jack R., Determination of vapor pressures for nonpolar and semipolar organic compounds from gas chromatograhic retention data, J. Chem. Eng. Data, 1990, 35, 3, 232-237, https://doi.org/10.1021/je00061a003 . [all data]

Rodante, Vecchio, et al., 2000
Rodante, F.; Vecchio, S.; Catalani, G.; Guidotti, M., Journal of Thermal Analysis and Calorimetry, 2000, 60, 2, 605-622, https://doi.org/10.1023/A:1010159424733 . [all data]

Ksia«807»azczak and Nagata, 1995
Ksia«807»azczak, A.; Nagata, I., Crystal-plastic and plastic-liquid phase transitions, and purity determination, Thermochimica Acta, 1995, 254, 31-39, https://doi.org/10.1016/0040-6031(94)02032-J . [all data]

Erdmann, Rochholz, et al., 1992
Erdmann, F.; Rochholz, G.; Schütz, H., Retention-indices on OV-1 of approximately 170 commonly used pesticides, Mikrochim. Acta, 1992, 106, 3-6, 219-226, https://doi.org/10.1007/BF01242093 . [all data]

Dubsky, Hána, et al., 1979
Dubsky, H.; Hána, K.; Komárková, M.; Rittich, B., Stanoveni residui chlórovanych pesticidu plynovou chromatografii, Vet. Med. (Prague), 1979, 24, 3, 493-498. [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [all data]

de Paoli, Taccheo-Barbina, et al., 1991
de Paoli, M.; Taccheo-Barbina, M.; Bontempelli, G., Gas chromatographic system for the identification of halogenated pesticides by retention indices using n-alkanes as standards, J. Chromatogr., 1991, 547, 355-365, https://doi.org/10.1016/S0021-9673(01)88659-3 . [all data]

Perrigo and Peel, 1981
Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 1981, 19, 5, 219-226, https://doi.org/10.1093/chromsci/19.5.219 . [all data]

Dearth and Hites, 1991
Dearth, M.A.; Hites, R.A., Complete analysis of technical chlordane using negative ionization mass spectrometry, Environ. Sci. Technol., 1991, 25, 2, 245-254, https://doi.org/10.1021/es00014a005 . [all data]

Marozzi, Gambaro, et al., 1982
Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F., Use of the retention index in gas chromatographic studies of drugs, J. Anal. Toxicol., 1982, 6, 4, 185-192, https://doi.org/10.1093/jat/6.4.185 . [all data]

Department of Food Safety and Welfare, 2006
Department of Food Safety, Ministry of Health; Welfare, Analytical methods for residual compositional substances of agricultural chemicals, feed aadditives, and veterinary drugs in foods, 2006, retrieved from http://www.mhlw.go.jp/english/topics/foodsafety/positivelist060228/de/060526-1a.pdf. [all data]

Tameo and Kiyos, 1991
Tameo, O.; Kiyos, I., Simultaneous determination of pesticides by capillary gas chromatography, Cannot be traslated (in Japan), 1991, 14, 2, 109-122. [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔvapH	Enthalpy of vaporization

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