Diethyl malonate
- Formula: C7H12O4
- Molecular weight: 160.1678
- IUPAC Standard InChIKey: IYXGSMUGOJNHAZ-UHFFFAOYSA-N
- CAS Registry Number: 105-53-3
- 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. - Other names: Propanedioic acid, diethyl ester; Malonic acid, diethyl ester; Carbethoxyacetic ester; Dicarbethoxymethane; Diethyl propanedioate; Ethyl malonate; Malonic ester; Methanedicarboxylic acid, diethyl ester; NSC 8864; Propanedioic acid, 1,3-diethyl ester; 145601-68-9
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
De-protonation reactions
C7H11O4- + =
By formula: C7H11O4- + H+ = C7H12O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 348.3 ± 2.3 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase |
ΔrH° | 344.7 ± 1.2 | kcal/mol | EIAE | Muftakhov, Vasil'ev, et al., 1999 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 342.3 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, References, Notes
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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 100. | 1033. | Tudor and Moldovan, 1999 | |
Capillary | SE-30 | 100. | 1033.3 | Tudor, 1997 | 40. m/0.35 mm/0.35 μm |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1078. | Brander, Kepner, et al., 1980 | Column length: 80. m; Column diameter: 0.29 mm; Program: not specified |
Capillary | SE-30 | 1083. | Brander, Kepner, et al., 1980 | Column length: 80. m; Column diameter: 0.29 mm; Program: not specified |
Kovats' RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1595. | Wong and Teng, 1994 | He, 35. C @ 5. min, 3. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1038. | Hancock and Peters, 1991 | He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm |
Capillary | DB-5 | 1068.8 | Hancock and Peters, 1991 | He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm |
Capillary | DB-5 | 1069.2 | Hancock and Peters, 1991 | He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm |
Capillary | DB-5 | 1069.2 | Hancock and Peters, 1991 | He, 50. C @ 2. min, 10. K/min; Column length: 15. m; Column diameter: 0.53 mm |
Packed | SE-30 | 1035. | van den Dool and Kratz, 1963 | Celite; Tstart: 75. C; Tend: 228. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1066.9 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Capillary | DB-5MS | 1069. | Boulanger and Crouzet, 2001 | 30. m/0.25 mm/0.25 μm, H2; Program: 40C (5min) => 2C/min => 200C => 5C/min => 250C (15min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-Wax | 1580. | Ledauphin, Saint-Clair, et al., 2004 | 30. m/0.25 mm/0.15 μm, He, 35. C @ 10. min, 1.8 K/min, 220. C @ 10. min |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1572. | Ferrari, Lablanquie, et al., 2004 | 60. m/0.25 mm/0.25 μm, He; Program: 35C(0.7min) => 20C/min => 70C => 4C/min => 240C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 120. | 1034. | Lipp, Krasnykh, et al., 2008 | Helium; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 130. | 1034. | Lipp, Krasnykh, et al., 2008 | Helium; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 140. | 1032. | Lipp, Krasnykh, et al., 2008 | Helium; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 150. | 1029. | Lipp, Krasnykh, et al., 2008 | Helium; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 220. | 1033. | Lipp, Krasnykh, et al., 2008 | Helium; Column length: 50. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 1069. | Jung, Wichmann, et al., 1999 | 25. m/0.20 mm/0.33 μm, 50. C @ 3. min, 5. K/min; Tend: 180. C |
Capillary | Ultra-1 | 1032. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1069. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1072. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | SPB-1 | 1043. | Bosch-Fuste, Riu-Aumatell, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(10min) => 2C/min => 200C(1min) => 2C/min => 250C (10min) |
Capillary | SE-30 | 1043. | Vinogradov, 2004 | Program: not specified |
Capillary | HP-5 | 1064. | Jordán, Goodner, et al., 2002 | 30. m/0.25 mm/0.25 μm; Program: not specified |
Capillary | Methyl Silicone | 1040. | Zenkevich, 1999 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1035. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-Wax MS | 1574. | Duarte, Dias, et al., 2010 | 60. m/0.25 mm/0.25 μm, Helium, 60. C @ 5. min, 3. K/min, 220. C @ 25. min |
Capillary | DB-Wax | 1574. | Zhao, Xu, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 40. C @ 2. min, 3. K/min, 230. C @ 5. min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1571. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | DB-Wax | 1572. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | DB-Wax | 1572. | Zhao, Xu, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | Supelcowax-10 | 1582. | Bosch-Fuste, Riu-Aumatell, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(10min) => 2C/min => 200C(1min) => 2C/min => 250C (10min) |
Capillary | Carbowax 20M | 1542. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Muftakhov, Vasil'ev, et al., 1999
Muftakhov, M.V.; Vasil'ev, Y.V.; Mazunov, V.A.,
Determination of electron affinity of carbonyl radicals by means of negative ion mass spectrometry,
Rapid Commun. Mass Spectrom., 1999, 13, 12, 1104-1108, https://doi.org/10.1002/(SICI)1097-0231(19990630)13:12<1104::AID-RCM619>3.0.CO;2-C
. [all data]
Tudor and Moldovan, 1999
Tudor, E.; Moldovan, D.,
Temperature Dependence of the Retention Index for Perfumery Compounds on a Se-30 Glass Capillary Column. II. The Hyperbolic Equation,
J. Chromatogr., 1999, 848, 1-2, 215-227, https://doi.org/10.1016/S0021-9673(99)00412-4
. [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]
Brander, Kepner, et al., 1980
Brander, C.F.; Kepner, R.E.; Webb, A.D.,
Identification of Some Volatile Compounds of Wine of Vitis Vinifera Cultivar Pinot Noir,
Am. J. Enol. Vitic, 1980, 31, 1, 69-75. [all data]
Wong and Teng, 1994
Wong, K.C.; Teng, Y.E.,
Volatile Components of Mimusops elengi L. Flowers,
J. Essent. Oil Res., 1994, 6, 5, 453-458, https://doi.org/10.1080/10412905.1994.9698425
. [all data]
Hancock and Peters, 1991
Hancock, J.R.; Peters, G.R.,
Retention index monitoring of compounds of chemical defence interest using thermal desorption gas chromatography,
J. Chromatogr., 1991, 538, 2, 249-257, https://doi.org/10.1016/S0021-9673(01)88845-2
. [all data]
van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec.,
A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography,
J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Boulanger and Crouzet, 2001
Boulanger, R.; Crouzet, J.,
Identification of the aroma components of acerola (Malphigia glabra L.): free and bound flavor compounds,
Food Chem., 2001, 74, 2, 209-216, https://doi.org/10.1016/S0308-8146(01)00128-5
. [all data]
Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D.,
Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y
. [all data]
Ferrari, Lablanquie, et al., 2004
Ferrari, G.; Lablanquie, O.; Cantagrel, R.; Ledauphin, J.; Payot, T.; Fournier, N.; Guichard, E.,
Determination of key odorant compounds in freshly distilled cognac using GC-O, GC-MS, and sensory evaluation,
J. Agric. Food Chem., 2004, 52, 18, 5670-5676, https://doi.org/10.1021/jf049512d
. [all data]
Lipp, Krasnykh, et al., 2008
Lipp, S.V.; Krasnykh, E.L.; Levanova, S.V.,
Retention indices of symmetrical dicarboxylic acid esters,
Rus. J. Anal. Chem., 2008, 63, 4, 349-352, https://doi.org/10.1134/S1061934808040072
. [all data]
Jung, Wichmann, et al., 1999
Jung, A.; Wichmann, K.-H.; Kolb, M.,
VOC emission of polymeric packaging materials,
LaborPraxis, 1999, 23, 9, 20-22. [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]
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]
Bosch-Fuste, Riu-Aumatell, et al., 2007
Bosch-Fuste, J.; Riu-Aumatell, M.; Guadayol, J.M.; Caixach, J.; Lopez-Tamames, E.; Buxaderas, S.,
Volatile profiles of sparkling wines obtained by three extraction methods and gas chromatography-mass spectrometry (GC-MS) analysis,
Food Chem., 2007, 105, 1, 428-435, https://doi.org/10.1016/j.foodchem.2006.12.053
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Jordán, Goodner, et al., 2002
Jordán, M.J.; Goodner, K.L.; Shaw, P.E.,
Characterization of the aromatic profile in aqueous essence and fruit juice of yellow passion fruit (Passiflora edulis Sims F. Flavicarpa degner) by GC-MS and GC/O,
J. Agric. Food Chem., 2002, 50, 6, 1523-1528, https://doi.org/10.1021/jf011077p
. [all data]
Zenkevich, 1999
Zenkevich, I.G.,
Mutual Correlation between Gas-Chromatographic Retention Indices of Organic Compounds from Different Series,
Zh. Anal. Khim., 1999, 54, 12, 1272-1279. [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]
Duarte, Dias, et al., 2010
Duarte, W.F.; Dias, D.R.; Oliveira, J.M.; Teixeira, J.A.; de Almeida e Silva, J.B.; Schwan, R.F.,
Characterization of different fruit wines made from cacao,cupuassu, gabiroba, jaboticaba and umbu,
Food Sci. Technol., 2010, 43, 1564-1572. [all data]
Zhao, Xu, et al., 2009
Zhao, Y.; Xu, Y.; Li, J.; Fan, W.; Jiang, W.,
Profile of volatile compounds in 11 brandies by headspace solid-phase microextraction followed by gas chromatography-mass spectrometry,
J. Food. Sci., 2009, 74, 2, c90-c99, https://doi.org/10.1111/j.1750-3841.2008.01029.x
. [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]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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