Bis(2-ethylhexyl) phthalate

• Formula: C₂₄H₃₈O₄
• Molecular weight: 390.5561
• IUPAC Standard InChI: InChI=1S/C24H38O4/c1-5-9-13-19(7-3)17-27-23(25)21-15-11-12-16-22(21)24(26)28-18-20(8-4)14-10-6-2/h11-12,15-16,19-20H,5-10,13-14,17-18H2,1-4H3 Copy

  
• IUPAC Standard InChIKey: BJQHLKABXJIVAM-UHFFFAOYSA-N Copy
• CAS Registry Number: 117-81-7
• 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: Phthalic acid, bis(2-ethylhexyl) ester; Bis(2-ethylhexyl) 1,2-benzenedicarboxylate; Bisoflex 81; Compound 889; Di(ethylhexyl) phthalate; Di(2-ethylhexyl) phthalate; DEHP; DOP; Ethylhexyl phthalate; Eviplast 80; Eviplast 81; Fleximel; Flexol DOP; Kodaflex DOP; Octoil; Octyl phthalate; Palatinol AH; Pittsburgh PX-138; Sicol 150; Staflex DOP; Truflex DOP; Vestinol AH; Vinicizer 80; Witcizer 312; 2-Ethylhexyl phthalate; Phthalic acid di(2-ethylhexyl) ester; Bisoflex DOP; Celluflex DOP; Di(2-ethylhexyl) o-phthalate; Di-sec-octyl phthalate; Flexol plasticizer DOP; Hercoflex 260; NCI-C52733; PX-138; RC plasticizer DOP; BEHP; Bis-(2-ethylhexyl)ester kyseliny ftalove; DAF 68; Di(2-ethylhexyl)orthophthalate; Ergoplast FDO; Good-rite GP 264; Hatcol dop; Mollan O; Nuoplaz DOP; Platinol AH; Platinol DOP; RCRA Waste number U028; Reomol DOP; Reomol D 79P; Ergoplast FDO-S; Bis(2-ethylhexyl) o-phthalate; DOF; 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester; Bis-(2-ethylhexyl)ester kyseliny ftalove (Czech); Bis(2-ethylhexyl)ester phthalic acid; Merrol DOP; Palatinol DOP; Phthalic acid dioctyl ester; Plasthall DOP; Polycizer DOP; Union carbide flexol 380; Hatco DOP; 1,2-Benzenedicarboxylic acid, 1,2-bis(2-ethylhexyl) ester; Vinycizer 80; Sansocizer DOP; Corflex 400; Jayflex DOP; Monocizer DOP; Palatinol AH-L; Dioctyl phthalate; Di-2 ethyl hexyl adipate
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of phase transition

Entropy of phase transition

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• LIQUID; PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLUTION (10% CCl4 FOR 2.7-7.5, 10% CS2 FOR 7.5-26 MICRON) VS SOLVENT $$ SEE SPECTRUM NO. 2526 FOR "NEAT" RUN; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

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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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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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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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, temperature ramp

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Rabinovich, Novoselova, et al., 1985
Rabinovich, I.B.; Novoselova, N.V.; Moseeva, E.M.; Babinkov, A.G.; Tsvetkova, L.Ya., Low temperature specific heat and thermodynamic functions of dibutyl and dioctyl phthalate, Zhur. Fiz. Khim., 1985, 59, 2127-2130. [all data]

Rabinovich, Martynenko, et al., 1969
Rabinovich, I.E.; Martynenko, L.Ya.; Maslova, V.A., Specific heat and physical properties of some dialkyl phthalates, Tr. Khim. Khim. Tekhnol. 1969, 1969, No.2, 10-14. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Perry and Weber, 1949
Perry, E.S.; Weber, W.H., Vapor Pressures of Phlegmatic Liquids. II. High Molecular Weight Esters and Silicone Oils, J. Am. Chem. Soc., 1949, 71, 11, 3726-3730, https://doi.org/10.1021/ja01179a039 . [all data]

Tudor, 1997
Tudor, E., Temperature dependence of the retention index for perfumery compounds on a SE-30 glass capillary column. I. Linear equations, J. Chromatogr. A, 1997, 779, 1-2, 287-297, https://doi.org/10.1016/S0021-9673(97)00453-6 . [all data]

Friocourt, Berthou, et al., 1979
Friocourt, M.P.; Berthou, F.; Picart, D.; Dreano, Y.; Floch, H.H., Glass Capillary Column Gas Chromatography of Phthalate Esters, J. Chromatogr., 1979, 172, 1, 261-271, https://doi.org/10.1016/S0021-9673(00)90961-0 . [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]

Sun and Stremple, 2003
Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]

Johnson, Urso, et al., 1997
Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 - Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27. [all data]

Yasuhara, Shiraishi, et al., 1997
Yasuhara, A.; Shiraishi, H.; Nishikawa, M.; Yamamoto, T.; Uehiro, T.; Nakasugi, O.; Okumura, T.; Kenmotsu, K.; Fukui, H.; Nagase, M.; Ono, Y.; Kawagoshi, Y.; Baba, K.; Noma, Y., Determination of organic components in leachates from hazardous waste disposal sites in Japan by gas chromatography-mass spectrometry, J. Chromatogr. A, 1997, 774, 1-2, 321-332, https://doi.org/10.1016/S0021-9673(97)00078-2 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Harland, Cumming, et al., 1986
Harland, B.J.; Cumming, R.I.; Gillings, E., The Kovats indexes of some organic micropollutants on an SE54 capillary column, EUR, I Org. Micropollut. Aquat. Environ., 1986, EUR 10388, 123-127. [all data]

Kurashov, Mitrukova, et al., 2014
Kurashov, E.A.; Mitrukova, G.G.; Krylova, Yu.V., Variations in the component composition of essential oil of Ceratophyllum demersum (Ceratophyllaceae) during vegetation (in press), Plant Resources (Rastitel'nye Resursy), 2014, 1, 000-000. [all data]

Kurashov, Krylova, et al., 2013
Kurashov, E.A.; Krylova, Yu.V.; Mitrukova, G.G., Variations in component composition of essential oil of Potamogeton pusillus (Potamogetonaceae) dirong vegetation, Plant Resources (Rastitel'nye Resursy), 2013, 000-000. [all data]

Nadaf, Halimi, et al., 2012
Nadaf, M.; Halimi, M.; Mortazavi, M., Identification of nonpolar chemical composition Spartium junceum flower growing in Iran by GC-MS, Middle-East J. Sci. Res., 2012, 11, 2, 221-224. [all data]

Chen, 2008
Chen, H.-F., Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression, Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003 . [all data]

Xian, Chen, et al., 2006
Xian, Q.-M.; Chen, H.-D.; Zou, H.-H., Allelopathic activity of volatile substance from submerged macrophytes on Microcystin aeruginosa, Acta Ecologica Sinica, 2006, 26, 11, 3549-3554, https://doi.org/10.1016/S1872-2032(06)60054-1 . [all data]

Yasar, Üçüncü, et al., 2005
Yasar, A.; Üçüncü, O.; Güleç, C.; Inceer, H.; Ayaz, S.; Yayh, N., GC-MS analysis of chloroform extracts in flowers, stems, and roots of Tripleurospermum callosum, Pharm. Biol., 2005, 43, 2, 108-112, https://doi.org/10.1080/13880200590919384 . [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]

Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F., Application of gas chromatographic retention properties to the identification of environmental contaminants, J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I . [all data]

Eckel, Ross, et al., 1993
Eckel, W.P.; Ross, B.; Isensee, R.K., Pentobarbital found in ground water, Ground Water, 1993, 31, 5, 801-804, https://doi.org/10.1111/j.1745-6584.1993.tb00853.x . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔvapH	Enthalpy of vaporization

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