Ethanol Thermodynamic properties

Saturation tables by temperature and by pressure, superheated vapor table, p–h and T–s diagrams and constants of Ethanol (C₂H₆O), computed with CoolProp. Any other state of Ethanol, from any two properties, in the State Explorer or the Worksheet.

Calculate a state of Ethanol Open it in the Worksheet

Constants

Formula: C₂H₆O
Also known as: C2H6O, ethanol, ETHANOL
CAS: 64-17-5
Molar mass: 46.068 g/mol
Normal boiling point (1 atm): 78.42 °C (351.57 K)
Critical temperature: 241.56 °C (514.71 K)
Critical pressure: 6.2679 MPa
Critical density: 273.22 kg/m³
Triple point: -114.05 °C, 0.00000073539 kPa
Acentric factor: 0.644
Valid up to: 376.85 °C, 280 MPa

Saturation table

By temperature: saturated liquid (f) and saturated vapor (g).

Saturated Ethanol, by temperature
T °C	Psat kPa	vf m³/kg	vg m³/kg	hf kJ/kg	hfg kJ/kg	hg kJ/kg	sf kJ/(kg·K)	sg kJ/(kg·K)
-100	0.000013761	0.001118	2271000	-405.03	1030.9	625.83	-1.5668	4.3867
-75	0.0008486	0.0011479	42142	-356.83	1010.1	653.23	-1.3069	3.7906
-50	0.019476	0.0011778	2067.7	-307.41	989.52	682.11	-1.0721	3.3622
-25	0.22582	0.0012084	198.25	-255.91	968.49	712.58	-0.85344	3.0494
0	1.6017	0.0012402	30.724	-201.32	945.94	744.62	-0.64395	2.8192
25	7.8859	0.0012738	6.7855	-142.75	920.66	777.92	-0.4389	2.649
50	29.407	0.0013104	1.9554	-79.257	891.03	811.77	-0.23462	2.5227
75	88.397	0.0013518	0.68973	-9.9737	855.12	845.15	-0.028458	2.4277
100	224.18	0.0014005	0.28398	65.904	810.92	876.83	0.18139	2.3546
125	496.1	0.0014609	0.13164	149.27	756.19	905.46	0.39651	2.2958
150	982.55	0.0015398	0.066778	240.87	688.69	929.56	0.61778	2.2453
175	1776.2	0.0016472	0.036149	340.58	606.58	947.16	0.84371	2.1972
200	2980.6	0.0018018	0.020257	448.55	505.72	954.27	1.0736	2.1424
225	4717.8	0.002099	0.010924	574.79	361.39	936.18	1.3264	2.0518

Saturation table by pressure

By pressure: saturated liquid (f) and saturated vapor (g).

Saturated Ethanol, by pressure
P kPa	Tsat °C	vf m³/kg	vg m³/kg	hf kJ/kg	hfg kJ/kg	hg kJ/kg	sf kJ/(kg·K)	sg kJ/(kg·K)
1	-6.515	0.0012318	48.063	-215.89	952.03	736.13	-0.69794	2.8726
2	3.197	0.0012444	24.886	-194.07	942.89	748.82	-0.61756	2.7944
3	9.258	0.0012524	16.943	-180.14	936.98	756.84	-0.56771	2.7501
5	17.337	0.0012632	10.443	-161.18	928.79	767.61	-0.50152	2.6959
10	29.181	0.0012797	5.4204	-132.5	916.06	783.56	-0.40477	2.6252
20	42.19	0.0012986	2.815	-99.676	900.86	801.19	-0.29854	2.5583
30	50.417	0.0013111	1.9188	-78.152	890.48	812.33	-0.23121	2.5209
50	61.518	0.0013288	1.1836	-48.104	875.38	827.28	-0.13999	2.4757
100	78.087	0.0013573	0.61349	-0.97724	850.16	849.18	-0.0027759	2.4177
200	96.708	0.0013936	0.3168	55.506	817.29	872.8	0.15349	2.3632
300	108.73	0.00142	0.21456	94.108	793.13	887.24	0.25581	2.3327
500	125.27	0.0014617	0.13063	150.2	755.54	905.74	0.39883	2.2952
1000	150.7	0.0015424	0.065598	243.54	686.61	930.15	0.62401	2.244
2000	180.45	0.0016758	0.03181	363.34	586.48	949.82	0.89338	2.1863
3000	200.34	0.0018044	0.020101	450.07	504.18	954.25	1.0767	2.1416
5000	228.35	0.0021775	0.0098856	595.84	332.76	928.6	1.3673	2.0308

Diagrams

p–h diagram of Ethanol, with isotherms

T–s diagram of Ethanol, with isobars

Superheated vapor table

At each pressure, from its saturated vapor (Sat.) to higher temperatures.

Superheated Ethanol at 50 kPa (Tsat 61.518 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	1.1836	768.1	827.28	2.4757
100	1.3312	824.68	891.24	2.6565
150	1.5179	904.72	980.62	2.8811
200	1.7018	992.39	1077.5	3.0973
250	1.8842	1087.4	1181.6	3.3064
300	2.0659	1189.4	1292.7	3.509
350	2.2472	1297.7	1410.1	3.7054

Superheated Ethanol at 100 kPa (Tsat 78.087 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.61349	787.83	849.18	2.4177
100	0.65754	821.48	887.23	2.5228
150	0.75414	902.82	978.24	2.7515
200	0.84781	991.19	1076	2.9696
250	0.94004	1086.6	1180.6	3.1798
300	1.0315	1188.8	1292	3.383
350	1.1225	1297.3	1409.6	3.5797

Superheated Ethanol at 200 kPa (Tsat 96.708 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.3168	809.44	872.8	2.3632
150	0.37217	898.95	973.38	2.6172
200	0.42079	988.76	1072.9	2.8394
250	0.46793	1085	1178.6	3.0516
300	0.51429	1187.7	1290.6	3.2559
350	0.5602	1296.5	1408.6	3.4533

Superheated Ethanol at 500 kPa (Tsat 125.27 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.13063	840.42	905.74	2.2952
150	0.14264	886.63	957.95	2.4223
200	0.16448	981.24	1063.5	2.658
250	0.18463	1080.1	1172.4	2.8768
300	0.20394	1184.3	1286.3	3.0846
350	0.2228	1294.1	1405.5	3.284

Superheated Ethanol at 1 MPa (Tsat 150.7 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.065598	864.55	930.15	2.244
200	0.078829	967.83	1046.7	2.5042
250	0.090121	1071.6	1161.7	2.7353
300	0.10047	1178.6	1279	2.9494
350	0.11032	1290	1400.3	3.1523

Superheated Ethanol at 2 MPa (Tsat 180.45 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.03181	886.2	949.82	2.1863
200	0.035455	936.39	1007.3	2.3104
250	0.042709	1053.2	1138.6	2.5744
300	0.048674	1166.5	1263.8	2.8031
350	0.054063	1281.6	1389.7	3.0136

Superheated Ethanol at 5 MPa (Tsat 228.35 °C)
T °C	v m³/kg	u kJ/kg	h kJ/kg	s kJ/(kg·K)
Sat.	0.0098856	879.17	928.6	2.0308
250	0.013307	977.2	1043.7	2.2561
300	0.017352	1124.6	1211.4	2.5629
350	0.020225	1254.1	1355.3	2.8037

Enthalpy and entropy are measured from Ethanol's own reference state (CoolProp's default). The textbooks' refrigerant tables use ASHRAE's: in the Worksheet, write reference ASHRAE.