Contents
Physical Properties
Temperature Dependent Properties
Pressure Dependent Properties
Datasets
Correlations
Similar Compounds
Mixtures
Sources
Physical Properties
Temperature Dependent Properties
Pressure Dependent Properties
Property
Value
Unit
Pressure (kPa)
Source
Tboilr
351.20
K
1.90
NIST
Datasets
Molar heat capacity at constant pressure, J/K/mol (1)
Mass density, kg/m3 (1)
Speed of sound, m/s (1)
Molar heat capacity at constant pressure, J/K/mol
Fixed
Measured
Temperature, K - Liquid
Pressure, kPa - Liquid
Molar heat capacity at constant pressure, J/K/mol - Liquid
305.40
100.00
318.30
305.40
4040.00
317.70
305.40
8190.00
317.30
305.40
12090.00
316.80
305.50
16070.00
316.40
315.70
100.00
322.50
315.80
4190.00
322.00
315.90
8150.00
321.60
315.90
12260.00
320.50
316.00
16160.00
319.60
326.50
100.00
326.80
326.50
4140.00
325.90
326.60
8170.00
325.20
326.60
12110.00
324.30
326.20
16030.00
323.60
335.30
100.00
330.30
335.30
4060.00
330.10
335.40
8050.00
328.60
335.40
12030.00
327.60
335.50
16070.00
326.90
345.10
100.00
334.20
345.20
4070.00
333.50
345.60
8230.00
332.50
345.70
12160.00
332.20
345.70
16230.00
330.50
354.20
100.00
337.80
354.20
4120.00
337.30
354.30
8010.00
336.50
354.40
12390.00
335.60
354.50
16250.00
334.50
364.90
100.00
342.10
365.30
3870.00
341.30
365.60
8320.00
340.30
365.70
12160.00
339.50
365.80
15950.00
338.30
374.80
100.00
346.10
375.00
3980.00
345.50
375.50
8020.00
344.00
375.70
12070.00
342.60
375.90
16040.00
341.40
384.00
100.00
349.80
385.00
4020.00
349.10
385.40
8040.00
347.10
385.50
11880.00
346.10
385.70
15890.00
345.60
Reference
Mass density, kg/m3
Fixed
Measured
Temperature, K - Liquid
Pressure, kPa - Liquid
Mass density, kg/m3 - Liquid
303.20
100.00
860.8
303.20
3020.00
864.5
303.10
6000.00
867.7
303.20
9010.00
871.2
303.21
11950.00
874.5
303.19
14980.00
877.5
312.96
100.00
851.2
313.06
3060.00
854.7
313.13
6090.00
858.1
313.17
9070.00
861.4
313.18
12000.00
864.7
313.17
15010.00
867.9
323.09
100.00
841.6
323.11
3100.00
845.2
323.14
6110.00
848.8
323.10
9100.00
852.5
323.13
12060.00
855.8
323.09
15150.00
859.2
333.05
100.00
832.1
333.14
3010.00
835.6
333.18
6080.00
839.7
333.14
9020.00
843.2
333.14
12010.00
846.8
333.20
15070.00
850.5
343.02
100.00
823.0
343.06
3010.00
827.1
343.23
6050.00
831.0
343.20
9000.00
834.8
343.22
12100.00
838.5
343.19
15000.00
842.1
352.85
100.00
815.1
352.95
3090.00
819.4
353.11
6070.00
823.2
353.06
9090.00
827.5
353.14
12070.00
831.2
353.23
15010.00
835.1
Reference
Speed of sound, m/s
Fixed
Measured
Temperature, K - Liquid
Pressure, kPa - Liquid
Speed of sound, m/s - Liquid
293.27
110.00
1254.03
303.20
100.00
1219.89
313.04
90.00
1185.84
323.08
110.00
1145.28
332.61
100.00
1119.94
343.14
100.00
1075.42
353.04
110.00
1044.19
363.11
100.00
1008.42
372.84
90.00
971.9
382.87
100.00
941.96
392.49
100.00
909.29
401.72
110.00
876.2
412.92
100.00
837.29
422.78
110.00
800.01
432.75
100.00
768.89
441.74
90.00
736.98
452.13
100.00
703.21
293.55
1040.00
1263.87
302.87
1020.00
1230.26
313.07
1000.00
1189.64
323.15
1020.00
1154.57
332.75
980.00
1123.74
343.15
1020.00
1086.84
352.67
1000.00
1053.08
362.35
1010.00
1014.12
371.83
1020.00
987.06
382.34
1020.00
948.49
392.73
980.00
912.95
401.77
1030.00
883.74
412.69
1050.00
841.82
422.42
1000.00
807.44
432.36
1120.00
778.68
441.56
1020.00
750.38
451.89
990.00
714.64
462.89
1110.00
677.9
471.98
1010.00
647.85
482.54
1000.00
610.64
293.40
2560.00
1278.44
303.46
2500.00
1233.57
313.11
2510.00
1200.03
323.11
2490.00
1164.66
332.84
2500.00
1127.35
451.94
2540.00
731.06
463.03
2520.00
699.91
472.16
2540.00
667.91
482.35
2490.00
636.04
293.20
4000.00
1290.82
303.00
4050.00
1253.21
312.99
4070.00
1207.7
323.12
3990.00
1173.82
332.85
4010.00
1140.43
343.20
4050.00
1101.44
352.64
4010.00
1073.47
362.37
4060.00
1038.84
371.97
4040.00
1005.36
382.36
3940.00
970.18
392.65
4020.00
936.25
401.75
4030.00
907.66
412.64
4050.00
868.48
422.45
4040.00
836.46
432.43
4070.00
805.62
441.62
4050.00
783.09
452.05
4040.00
748.01
463.13
4040.00
714.4
472.23
4040.00
687.28
483.02
4020.00
655.14
293.74
5550.00
1291.01
303.04
5540.00
1254.0
313.12
5550.00
1223.42
323.12
5530.00
1181.98
333.57
5530.00
1140.54
343.18
5510.00
1114.79
352.70
5540.00
1079.0
362.26
5530.00
1045.42
372.00
5590.00
1016.18
382.32
5500.00
983.52
392.67
5520.00
946.64
401.62
5620.00
919.87
412.54
5550.00
885.03
422.48
5560.00
854.66
432.45
5500.00
819.99
441.62
5570.00
795.09
452.08
5580.00
763.54
463.22
5530.00
728.32
382.36
7030.00
991.78
392.69
6990.00
960.26
401.59
6980.00
932.15
412.71
7010.00
898.63
422.53
6970.00
866.85
432.47
6990.00
831.89
441.61
7020.00
810.86
452.07
7050.00
781.2
463.25
7020.00
748.5
472.22
7040.00
716.46
483.13
7020.00
690.38
294.07
8560.00
1302.85
303.06
8580.00
1271.63
313.03
8520.00
1229.84
323.14
8520.00
1198.91
332.87
8520.00
1168.42
343.18
8540.00
1133.1
352.86
8580.00
1098.06
362.06
8560.00
1073.66
372.00
8580.00
1035.47
382.40
8550.00
1003.61
392.72
8520.00
974.33
401.43
8550.00
945.5
412.77
8460.00
910.68
422.49
8460.00
880.79
432.50
8520.00
845.66
441.61
8500.00
822.18
452.07
8500.00
791.7
463.26
8550.00
758.92
472.22
8560.00
727.9
483.34
8540.00
700.94
293.99
10050.00
1302.01
303.06
10060.00
1275.7
313.06
9950.00
1235.73
323.14
9970.00
1202.86
332.88
10020.00
1171.25
343.18
10030.00
1146.59
352.81
9950.00
1114.93
362.02
9960.00
1086.09
372.00
9980.00
1054.29
382.38
10030.00
1013.95
392.70
10020.00
988.42
342.92
2540.00
1095.65
352.61
2510.00
1056.91
362.38
2500.00
1028.17
371.91
2580.00
995.52
382.38
2510.00
958.12
392.65
2490.00
924.2
401.70
2510.00
892.06
412.73
2540.00
858.95
422.35
2540.00
826.98
432.43
2500.00
790.22
441.59
2560.00
766.2
472.22
5550.00
706.95
483.07
5540.00
677.03
293.91
7040.00
1299.58
303.06
7040.00
1262.89
313.09
7070.00
1225.84
323.13
7000.00
1188.04
332.88
7010.00
1156.97
343.18
7060.00
1119.21
352.76
7070.00
1088.79
361.99
7040.00
1061.57
372.00
7060.00
1029.84
401.51
10090.00
955.49
412.74
10010.00
920.21
422.51
9930.00
896.93
432.49
10010.00
865.32
441.61
10030.00
837.4
452.07
10040.00
804.8
463.25
10030.00
765.58
472.22
10050.00
743.93
483.14
10030.00
706.31
Reference
Correlations
Property
Value
Unit
Temperature (K)
Source
Cp,gas
[212.74; 491.76]
J/mol×K
[273.00; 1000.00]
Joback Predicted correlation
Equation Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A 2.01160e+01
Coefficient B 8.04040e-01
Coefficient C -3.71200e-04
Coefficient D 3.88000e-08
Coefficient E 0.00000e+00
Temperature range, min. 273.00
Temperature range, max. 1000.00
Cp,gas
212.74
J/mol×K
273.00
Calculated Property
Cp,gas
259.83
J/mol×K
353.78
Calculated Property
Cp,gas
302.60
J/mol×K
434.56
Calculated Property
Cp,gas
341.20
J/mol×K
515.33
Calculated Property
Cp,gas
375.73
J/mol×K
596.11
Calculated Property
Cp,gas
406.32
J/mol×K
676.89
Calculated Property
Cp,gas
433.10
J/mol×K
757.67
Calculated Property
Cp,gas
456.18
J/mol×K
838.44
Calculated Property
Cp,gas
475.69
J/mol×K
919.22
Calculated Property
Cp,gas
491.76
J/mol×K
1000.00
Calculated Property
Property
Value
Unit
Temperature (K)
Source
η
[0.0141167; 0.0002612]
Pa×s
[207.02; 444.01]
Joback Predicted correlation
Equation Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A -1.17359e+01
Coefficient B 1.54760e+03
Coefficient C 0.00000e+00
Coefficient D 0.00000e+00
Coefficient E 0.00000e+00
Comment Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min. 207.02
Temperature range, max. 444.01
η
0.0141167
Pa×s
207.02
Calculated Property
η
0.0060728
Pa×s
233.36
Calculated Property
η
0.0030999
Pa×s
259.69
Calculated Property
η
0.0017909
Pa×s
286.02
Calculated Property
η
0.0011349
Pa×s
312.35
Calculated Property
η
0.0007721
Pa×s
338.68
Calculated Property
η
0.0005553
Pa×s
365.01
Calculated Property
η
0.0004175
Pa×s
391.35
Calculated Property
η
0.0003253
Pa×s
417.68
Calculated Property
η
0.0002612
Pa×s
444.01
Calculated Property
Property
Value
Unit
Temperature (K)
Source
Pvap
[1.33; 202.64]
kPa
[345.12; 483.23]
The Yaws Handbook of Vapor Pressure
Equation ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A 1.53528e+01
Coefficient B -4.15873e+03
Coefficient C -6.90720e+01
Temperature range, min. 345.12
Temperature range, max. 483.23
Pvap
1.33
kPa
345.12
Calculated Property
Pvap
2.95
kPa
360.47
Calculated Property
Pvap
6.02
kPa
375.81
Calculated Property
Pvap
11.48
kPa
391.16
Calculated Property
Pvap
20.66
kPa
406.50
Calculated Property
Pvap
35.31
kPa
421.85
Calculated Property
Pvap
57.72
kPa
437.19
Calculated Property
Pvap
90.72
kPa
452.54
Calculated Property
Pvap
137.70
kPa
467.88
Calculated Property
Pvap
202.64
kPa
483.23
Calculated Property
Similar Compounds
Find more compounds similar to Heptanoic acid, ethyl ester .
Mixtures
Sources
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