Benzene, 1-ethyl-3,5-dimethyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChIKey: LMAUULKNZLEMGN-UHFFFAOYSA-N
- CAS Registry Number: 934-74-7
- 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: m-Xylene, 5-ethyl-; 1-Ethyl-3,5-dimethylbenzene; 1,3-Dimethyl-5-ethylbenzene; 5-Ethyl-m-xylene; 5-Ethyl-1,3-dimethylbenzene
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Phase change data
Go To: Top, Mass spectrum (electron ionization), 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 456.8 ± 0.1 | K | AVG | N/A | Average of 14 out of 15 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 188.79 | K | N/A | Streiff, Hulme, et al., 1955 | Uncertainty assigned by TRC = 0.06 K; TRC |
Tfus | 188.79 | K | N/A | Streiff, Hulme, et al., 1955 | Uncertainty assigned by TRC = 0.04 K; TRC |
Tfus | 188.82 | K | N/A | Streiff, Hulme, et al., 1955 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.5 | kcal/mol | N/A | Reid, 1972 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.5 | 351. | A | Stephenson and Malanowski, 1987 | Based on data from 336. to 487. K.; AC |
11.4 | 310. | N/A | Stull, 1947 | Based on data from 295. to 456. K.; AC |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 20917 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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 | OV-1 | 100. | 1050.0 | Zhu, Zhang, et al., 1999 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | CP Sil 2 | 80. | 1052.2 | Estel, Mohnke, et al., 1995 | 100. m/0.25 mm/0.25 μm |
Capillary | OV-1 | 100. | 1048.5 | Matisová and Kurán, 1990 | 52. m/0.25 mm/0.38 μm, N2 |
Capillary | OV-1 | 100. | 1048.2 | Matisová and Kurán, 1990 | 52. m/0.25 mm/0.38 μm, H2 |
Capillary | PONA | 100. | 1049.1 | Matisová and Kurán, 1990 | 50. m/0.2 mm/0.5 μm, H2 |
Capillary | OV-101 | 100. | 1048. | Matisová, Kovacicová, et al., 1989 | He; Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 120. | 1053. | Matisová, Moravcová, et al., 1988 | N2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | Apolane | 120. | 1073. | Matisová, Moravcová, et al., 1988 | N2; Column length: 200. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1048. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1048. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1050. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1050. | Matisová, Rukríglová, et al., 1988 | H2; Column length: 278. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 70. | 1042.6 | Tóth, 1983 | N2; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 65. | 1042.7 | Kuchhal, Kumar, et al., 1980 | |
Capillary | Squalane | 80. | 1043.5 | Kuchhal, Kumar, et al., 1980 | Column length: 45.7 m; Column diameter: 0.25 mm |
Capillary | Squalane | 86. | 1046.1 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 80. | 1043.46 | Soják and Rijks, 1976 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Packed | SE-30 | 120. | 1069. | Mitra, Mohan, et al., 1974 | N2, Chrom W; Column length: 6.1 m |
Packed | SE-30 | 130. | 1074. | Mitra, Mohan, et al., 1974 | N2, Chrom W; Column length: 6.1 m |
Packed | SE-30 | 140. | 1079. | Mitra, Mohan, et al., 1974 | N2, Chrom W; Column length: 6.1 m |
Capillary | SE-30 | 130. | 1073. | Mitra, Mohan, et al., 1974, 2 | H2; Column length: 6.1 m; Column diameter: 3.18 mm |
Capillary | SE-30 | 140. | 1080. | Mitra, Mohan, et al., 1974, 2 | H2; Column length: 6.1 m; Column diameter: 3.18 mm |
Capillary | SE-30 | 150. | 1085. | Mitra, Mohan, et al., 1974, 2 | H2; Column length: 6.1 m; Column diameter: 3.18 mm |
Capillary | SE-30 | 160. | 1089. | Mitra, Mohan, et al., 1974, 2 | H2; Column length: 6.1 m; Column diameter: 3.18 mm |
Capillary | SE-30 | 65. | 1042.7 | Svob and Deur-Siftar, 1974 | He; Column length: 25.5 m; Column diameter: 0.5 mm |
Capillary | Squalane | 100. | 1048.2 | Svob and Deur-Siftar, 1974 | He; Column length: 10.5 m; Column diameter: 0.25 mm |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1058.2 | Wang, Fingas, et al., 1994 | 30. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 6. K/min; Tend: 300. C |
Capillary | OV-101 | 1043. | Hayes and Pitzer, 1982 | 110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C |
Capillary | Apiezon L | 1076. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 1049.75 | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-20M | 70. | 1319.8 | Tóth, 1983 | N2; Column length: 30. m; Column diameter: 0.3 mm |
Capillary | Carbowax 20M | 90. | 1297.0 | Kuchhal, Kumar, et al., 1980 | |
Capillary | Carbowax 20M | 90. | 1325.9 | Döring, Estel, et al., 1974 | Column length: 100. m; Column diameter: 0.2 mm |
Capillary | Carbowax 20M | 90. | 1297.0 | Döring, Estel, et al., 1974 | Column length: 100. m; Column diameter: 0.2 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1074. | Kallio, Jussila, et al., 2006 | 20. m/0.25 mm/0.25 μm, 60. C @ 4. min, 5. K/min, 240. C @ 15. min |
Capillary | Petrocol DH | 1049.6 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Capillary | PONA | 1041.3 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | PONA | 1041.9 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | Petrocol DH | 1044.03 | White, Douglas, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 1044.15 | White, Douglas, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 1044. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Ultra-1 | 1040.64 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 1043.33 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 1045.32 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1056.96 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1060.10 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 1062.45 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | OV-101 | 1043. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Wax 52CB | 1319. | Alasalvar, Taylor, et al., 2005 | 60. m/0.25 mm/0.25 μm, 35. C @ 4. min, 3. K/min; Tend: 203. C |
Capillary | CP-Wax 52CB | 1347. | Chevance and Farmer, 1999 | 60. C @ 5. min, 4. K/min, 220. C @ 30. min; Column length: 50. m; Column diameter: 0.32 mm |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 100. | 1049. | Vodenkova, Leol'ko, et al., 2005 | He; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | OV-101 | 100. | 1048. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 120. | 1053. | Tian, 1993 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | Squalane | 110. | 1051. | Papazova and Pankova, 1975 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 1049. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Petrocol DH | 1048. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | VF-5 MS | 1057. | Leffingwell and Alford, 2011 | 60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; Tstart: 30. C |
Capillary | VF-5 MS | 1061. | Leffingwell and Alford, 2011 | 60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; Tstart: 30. C |
Capillary | HP-5 | 1065.9 | Wang and Fingas, 1995 | 30. m/0.25 mm/0.25 μm, He, 35. C @ 2. min, 10. K/min, 300. C @ 10. min |
Capillary | CP Sil 5 CB | 1042. | Hartgers, Damste, et al., 1992 | 25. m/0.32 mm/0.45 μm, He, 0. C @ 5. min, 3. K/min, 320. C @ 10. min |
Capillary | OV-101 | 1045. | Zenkevich and Ventura, 1991 | Helium, 50. C @ 0. min, 5. K/min, 240. C @ 0. min; Column length: 54. m; Column diameter: 0.26 mm |
Capillary | OV-1 | 1044.1 | Durand, Boscher, et al., 1987 | 50. m/0.2 mm/0.52 μm, He, 35. C @ 10. min, 1.1 K/min; Tend: 150. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 1058. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min) |
Capillary | HP-5 | 1058. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: not specified |
Capillary | HP-5MS | 1059. | Vichi, Pizzale, et al., 2005 | 30. m/0.25 mm/0.25 μm; Program: 40C(3min) => 4C/min => 75C => 8C/min => 250C |
Capillary | Polymethylsiloxane, (PMS-20000) | 1043. | Cornwell and Cordano, 2003 | Program: not specified |
Capillary | Methyl Silicone | 1050. | Spieksma, 1999 | Program: not specified |
Capillary | SE-30 | 1043. | Xiuhua, Zhang, et al., 1996 | Program: not specified |
Capillary | SE-30 | 1046. | Xiuhua, Zhang, et al., 1996 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1043. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1044. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 90. | 1297. | Sutter, Peterson, et al., 1997 |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1321. | Umano, Hagi, et al., 2000 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 2. K/min; Tend: 200. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1309. | Vichi, Pizzale, et al., 2005 | 30. m/0.25 mm/0.25 μm; Program: 40C(3min) => 4C/min => 75C => 8C/min => 250C |
Capillary | Carbowax 20M | 1320. | Cornwell and Cordano, 2003 | Program: not specified |
Capillary | Carbowax 20M | 1297. | Ivanciuc, Ivanciuc, et al., 2001 | Program: not specified |
Capillary | PEG-20M | 1320. | Xiuhua, Zhang, et al., 1996 | Program: not specified |
References
Go To: Top, Phase change data, 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.
Streiff, Hulme, et al., 1955
Streiff, A.J.; Hulme, A.R.; Cowie, P.A.; Krouskop, N.C.; Rossini, F.D.,
Purification, Purity, and Freezing Points of Sixty-four American Petroleum Institute Standard and Research Hydrocarbons,
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Notes
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- Symbols used in this document:
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