Benzaldehyde, 2-hydroxy-

• Formula: C₇H₆O₂
• Molecular weight: 122.1213
• IUPAC Standard InChI: InChI=1S/C7H6O2/c8-5-6-3-1-2-4-7(6)9/h1-5,9H Copy

  
• IUPAC Standard InChIKey: SMQUZDBALVYZAC-UHFFFAOYSA-N Copy
• CAS Registry Number: 90-02-8
• 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.
• Isotopologues:
  • Salicyl-3,4,5,6-d4-aldehyde-d
• Other names: Salicylaldehyde; o-Formylphenol; o-Hydroxybenzaldehyde; Salicylal; Salicylic aldehyde; 2-Formylphenol; 2-Hydroxybenzaldehyde; Benzaldehyde, o-hydroxy-; SAH; NSC 49178; Salicylaldehyde (2-hydroxybenzaldehyde); 2-Hydroxy benzaldehyde (salicylaldehyde)
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • UV/Visible spectrum
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of fusion

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% IN CCl4 FOR 4000-1350 CM^-1, 10% IN CS2 FOR 1350-600 CM^-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution
• VAPOR (6 MICROLITER AT 150 C); PERKIN-ELMER 180; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2-3 CM^-1 cm^-1 resolution

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

• gas

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, temperature ramp

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Kovats' RI, polar column, isothermal

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Kovats' RI, polar column, temperature ramp

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

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Van Den Dool and Kratz RI, 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, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, 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.

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]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Bernardes and Minas da Piedade, 2008
Bernardes, Carlos E.S.; Minas da Piedade, Manuel E., Energetics of the O-H Bond and of Intramolecular Hydrogen Bonding in HOC ₆ H ₄ C(O)Y (Y = H, CH ₃ , CH ₂ CH«58875»CH ₂ , C«58876»CH, CH ₂ F, NH ₂ , NHCH ₃ , NO ₂ , OH, OCH ₃ , OCN, CN, F, Cl, SH, and SCH ₃ ) Compounds, J. Phys. Chem. A, 2008, 112, 40, 10029-10039, https://doi.org/10.1021/jp804455u . [all data]

Ribeiro da Silva and Araújo, 2007
Ribeiro da Silva, Maria D.M.C.; Araújo, Nuno R.M., Thermochemical studies on salicylaldehyde and salicylamide, The Journal of Chemical Thermodynamics, 2007, 39, 10, 1372-1376, https://doi.org/10.1016/j.jct.2007.03.006 . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Righezza, Hassani, et al., 1996
Righezza, M.; Hassani, A.; Meklati, B.Y.; Chrétien, J.R., Quantitative structure-retention relationships (QSRR) of congeneric aromatics series studied on phenyl OV phases in gas chromatography, J. Chromatogr. A, 1996, 723, 1, 77-91, https://doi.org/10.1016/0021-9673(95)00816-0 . [all data]

Hassani and Meklati, 1992
Hassani, A.; Meklati, B.Y., Gas chromatographic behaviour of monosubstituted benzenes, benzaldehydes and acetophenones on OV polymethylphenyl-silicone stationary phases, Chromatographia, 1992, 33, 5/6, 267-271, https://doi.org/10.1007/BF02276193 . [all data]

Evans and Haken, 1989
Evans, M.B.; Haken, J.K., Dispersion and selectivity indices in gas chromatography. IV. Chlorinated aromatic compounds, J. Chromatogr., 1989, 468, 373-382, https://doi.org/10.1016/S0021-9673(00)96332-5 . [all data]

Korhonen, 1984
Korhonen, I.O.O., Gas-liquid chromatographic analyses. XXX. Separation and retention increments of chlorinated salicylaldehydes (2-hydroxybenzaldehydes ) on low-polarity (SE-30) and polar (OV-351) capillary columns, J. Chromatogr., 1984, 298, 101-114, https://doi.org/10.1016/S0021-9673(01)92698-6 . [all data]

Tiess, 1984
Tiess, D., Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30, Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [all data]

Thangadurai, Anitha, et al., 2002
Thangadurai, D.; Anitha, S.; Pullaiah, T.; Reddy, P.N.; Ramachandraiah, O.S., Essential oil constituents and in vitro antimicrobial activity of Decalepis hamiltonii roots against foodborne pathogens, J. Agric. Food Chem., 2002, 50, 11, 3147-3149, https://doi.org/10.1021/jf011541q . [all data]

Nagarajan, Rao, et al., 2001
Nagarajan, S.; Rao, L.J.M.; Gurudutt, K.N., Chemical composition of the volatiles of Hemidesmus indicus R. Br., Flavour Fragr. J., 2001, 16, 3, 212-214, https://doi.org/10.1002/ffj.985 . [all data]

Yamaguchi and Shibamoto, 1979
Yamaguchi, K.; Shibamoto, T., Volatile constituents of Castanopsis flower, J. Agric. Food Chem., 1979, 27, 4, 847-850, https://doi.org/10.1021/jf60224a025 . [all data]

Nagarajan, Rao, et al., 2001, 2
Nagarajan, S.; Rao, L.J.M.; Guirudutt, K.N., Chemical composition of the volatiles of Decalepis hamiltonii (Wight Arn), Flavour Fragr. J., 2001, 16, 1, 27-29, https://doi.org/10.1002/1099-1026(200101/02)16:1<27::AID-FFJ937>3.0.CO;2-F . [all data]

Methven L., Tsoukka M., et al., 2007
Methven L.; Tsoukka M.; Oruna-Concha M.J.; Parker J.K.; Mottram D.S., Influence of sulfur amino acids on the volatile and nonvolatile components of cooked salmon (Salmo salar), J. Agric. Food Chem., 2007, 55, 4, 1427-1436, https://doi.org/10.1021/jf0625611 . [all data]

Muselli, Rossi, et al., 2007
Muselli, A.; Rossi, P.-G.; Desjobert, J.-M.; Bernardini, A.-F.; Berti, L.; Costa, J., Chemical composition and antibacterial activity of Otanthus maritimus (L.) Hoffmanns. Link essential oils from Corsica, Flavour Fragr. J., 2007, 22, 3, 217-223, https://doi.org/10.1002/ffj.1787 . [all data]

Radulovic, Misic, et al., 2007
Radulovic, N.; Misic, M.; Aleksic, J.; Dokovic, D.; Palic, R.; Stojanovic, G., Antimicrobial synergism and antagonism of salicylaldehyde in Filipendula vulgaris essential oil, Fitoterapia, 2007, 78, 7-8, 565-570, https://doi.org/10.1016/j.fitote.2007.03.022 . [all data]

Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R., Volatile components from mango (Mangifera indica L.) cultivars, J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633 . [all data]

Isidorov and Vinogorova, 2003
Isidorov, V.A.; Vinogorova, V.T., GC-MS analysis of compounds extracted from buds of Populus balsamifera and Populus nigra, Z. Naturforsch. C:, 2003, 58, 355-360. [all data]

Papandreou, Magiatis, et al., 2002
Papandreou, V.; Magiatis, P.; Chinou, I.; Kalpoutzakis, E.; Skaltsounis, A.-L.; Tsarbopoulos, A., Volatiles with antimicrobial activity from the roots of Greek Paeonia taxa, J. Ethnopharmacol., 2002, 81, 1, 101-104, https://doi.org/10.1016/S0378-8741(02)00056-9 . [all data]

Pino and Marbot, 2001
Pino, J.A.; Marbot, R., Volatile flavor constituents of acerola (Malpighia emarginata DC.) fruit, J. Agric. Food Chem., 2001, 49, 12, 5880-5882, https://doi.org/10.1021/jf010270g . [all data]

Kaiser and Siegl, 1994
Kaiser, E.W.; Siegl, W.O., High resolution gas chromatographic determination of the atmospheric reactivity of engine-out hydrocarbon emissions from a spark-ignited engine, J. Hi. Res. Chromatogr., 1994, 17, 4, 264-270, https://doi.org/10.1002/jhrc.1240170414 . [all data]

Sing, Smadja, et al., 1992
Sing, A.S.C.; Smadja, J.; Brevard, H.; Maignial, L.; Chaintreau, A.; Marion, J.-P., Volatile constituents of faham (Jumellea fragrans (Thou.) Schltr.), J. Agric. Food Chem., 1992, 40, 4, 642-646, https://doi.org/10.1021/jf00016a024 . [all data]

Bonvehí, 2005
Bonvehí, J.S., Investigation of aromatic compounds in roasted cocoa powder, Eur. Food Res. Technol., 2005, 221, 1-2, 19-29, https://doi.org/10.1007/s00217-005-1147-y . [all data]

Adamiec, Rossner, et al., 2001
Adamiec, J.; Rossner, J.; Velisek, J.; Cejpek, K.; Savel, J., Minor Strecker degradation products of phenylalanine and phenylglycine, Eur. Food Res. Technol., 2001, 212, 2, 135-140, https://doi.org/10.1007/s002170000234 . [all data]

Shimoda, Shigematsu, et al., 1995
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion, J. Agric. Food Chem., 1995, 43, 6, 1616-1620, https://doi.org/10.1021/jf00054a037 . [all data]

Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y., Off-flavor compounds in spray-dried skim milk powder, J. Agric. Food Chem., 1994, 42, 6, 1323-1327, https://doi.org/10.1021/jf00042a014 . [all data]

Shiratsuchi, Shimoda, et al., 1994, 2
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y., Volatile flavor compounds in spray-dried skim milk powder, J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028 . [all data]

Bisio, Ciarallo, et al., 1998
Bisio, A.; Ciarallo, G.; Romussi, G.; Fontana, N.; Mascolo, N.; Capasso, R.; Biscardi, D., Chemical Composition of Essential Oils from some Salvia species, Phytother. Res., 1998, 12, S1, s117-s120, https://doi.org/10.1002/(SICI)1099-1573(1998)12:1+3.0.CO;2-2 . [all data]

Leffingwell and Alford, 2011
Leffingwell, J.; Alford, E.D., Volatile constituents of the giant pufball mushroom (Calvatia gigantea), Leffingwell Rep., 2011, 4, 1-17. [all data]

Lazarevic, Radulovic, et al., 2010
Lazarevic, J.; Radulovic, N.; Palic, R.; Zlatkovic, B., Chemical Analusis of volatile constituents of Berula erecta (Hudson) Coville subsp. erecta (Apiaceae) from Serbia, J. Essential Oil. Res., 2010, 22, 3, 153-156, https://doi.org/10.1080/10412905.2010.9700290 . [all data]

Radulovic, Blagojevic, et al., 2010
Radulovic, N.; Blagojevic, P.; Palic, R., Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae), Molecules, 2010, 15, 9, 6168-6185, https://doi.org/10.3390/molecules15096168 . [all data]

Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R., Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae), Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962 . [all data]

Füssel, Dötterl, et al., 2007
Füssel, U.; Dötterl, S.; Jürgens, A.; Aas, G., Inter- and intraspecific variation in floral scent in the genus Salix and its implication for pollination, J. Chem. Ecol., 2007, 33, 4, 749-765, https://doi.org/10.1007/s10886-007-9257-6 . [all data]

Pavlovic, Petrovic, et al., 2007
Pavlovic, M.; Petrovic, S.; Ristic, M.; Maksimovic, Z.; Kovacevic, N., Essential oil of filipendula hexapetala, Chem. Natural Compounds, 2007, 43, 2, 228-229, https://doi.org/10.1007/s10600-007-0088-z . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005 . [all data]

Woerdenbag, Windono, et al., 2004
Woerdenbag, H.J.; Windono, T.; Bos, R.; Riswan, S.; Quax, W.J., Composition of the essential oils of Kaempferia rotunda L. and Kaempferia angustifolia Roscoe rhizomes from Indonesia, Flavour Fragr. J., 2004, 19, 2, 145-148, https://doi.org/10.1002/ffj.1284 . [all data]

Fernando and Grün, 2001
Fernando, L.N.; Grün, I.U., Headspace-SPME analysis of volatiles of the ridge gourd (Luffa acutangula) and bitter gourd (Momordica charantia) flowers, Flavour Fragr. J., 2001, 16, 4, 289-293, https://doi.org/10.1002/ffj.999 . [all data]

Ding, Deng, et al., 1998
Ding, Q.; Deng, Y.; Sun, Y.; Huagn, A.; Sun, Y., Analysis of volatile components in ox feces by capillary gas chromatography, Beijing Daxue Xuebao Ziran Kexueban, 1998, 34, 6, 720-725. [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]

Habu, Flath, et al., 1985
Habu, T.; Flath, R.A.; Mon, T.R.; Morton, J.F., Volatile components of Rooibos tea (Aspalathus linearis), J. Agric. Food Chem., 1985, 33, 2, 249-254, https://doi.org/10.1021/jf00062a024 . [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]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G., EXtraction, preparation and identification of volatile compounds in Changyu XO brandy, Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0 . [all data]

Feng, Yue, et al., 2006
Feng, C.-J.; Yue, W.; Li, M.-J., Estimation of chromatographic retention index of chlorinated hydroxybenzaldehyde by correlation indexes, Chem. Ind. Engineering, 2006, 23, 6, 486-490. [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Poligne, Collignan, et al., 2002
Poligne, I.; Collignan, A.; Trystram, G., Effects of salting, drying, cooking, and smoking operations on volatile compound formation and collor patterns in pork, Food Eng. Physical Properties, 2002, 67, 8, 2976-2986. [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]

Mastelic, Jerkovic, et al., 2006
Mastelic, J.; Jerkovic, I.; Mesic, M., Volatile constituents from flowers, leaves, bark and wood of Prunus mahaleb L., Flavour Fragr. J., 2006, 21, 2, 306-313, https://doi.org/10.1002/ffj.1596 . [all data]

Parada, Duque, et al., 2000
Parada, F.; Duque, C.; Fujimoto, Y., Free and bound volatile composition and characterization of some glucoconjugates as aroma precursors in Melón de olor fruit pulp (Sicana odorifera), J. Agric. Food Chem., 2000, 48, 12, 6200-6204, https://doi.org/10.1021/jf0007232 . [all data]

Werkhoff, Güntert, et al., 1998
Werkhoff, P.; Güntert, M.; Krammer, G.; Sommer, H.; Kaulen, J., Vacuum headspace method in aroma research: flavor chemistry of yellow passion fruits, J. Agric. Food Chem., 1998, 46, 3, 1076-1093, https://doi.org/10.1021/jf970655s . [all data]

Steullet and Guerin, 1994
Steullet, P.; Guerin, P.M., Identification of vertebrate volatiles stimulating olfactory receptors on tarsus I of the tick Amblyomma variegatum fabricus (Ixodidae). I. Receptors within the Haller's organ capsule, J. Comp. Physiol. A, 1994, 174, 1, 27-38, https://doi.org/10.1007/BF00192003 . [all data]

Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A., Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection, J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002 . [all data]

Suleimenov Y.M., Atazhanova G.A., et al., 2006
Suleimenov Y.M.; Atazhanova G.A.; Ozek T.; Demirci B.; Kulyyasov A.T.; Adekenov S.M.; Baser K.H.C., Essential oil composition of three species of Achillea from Kazakhstan, Chem. Nat. Compd. (Engl. Transl.), 2006, 37, 5, 447-450, https://doi.org/10.1023/A:1014471326724 . [all data]

Gören, Demirci, et al., 2001
Gören, N.; Demirci, B.; Baser, K.H.C., Composition of the essential oils of Tanacetum spp. from Turkey, Flavour Fragr. J., 2001, 16, 3, 191-194, https://doi.org/10.1002/ffj.976 . [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]

Notes

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

• Symbols used in this document:
  

  Tboil	Boiling point
  ΔfusH	Enthalpy of fusion
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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