Mixture of Difluoromethane + Dimethyl ether

Datasets

1. Mole fraction (6)
2. P_vap - Vapor or sublimation pressure, kPa (4)
3. Vapor or sublimation pressure, kPa (2)

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (1) - Gas
0.0814	343.21	0.1446
0.1057	353.16	0.1741
0.1163	363.21	0.1802
0.1253	328.16	0.2262
0.1357	298.11	0.2667
0.1429	313.12	0.2695
0.1996	283.03	0.3856
0.2295	363.21	0.3253
0.2357	343.21	0.3665
0.2494	353.16	0.3688
0.2750	328.16	0.4327
0.2790	298.11	0.4806
0.3090	313.12	0.4953
0.3207	283.03	0.5513
0.3381	363.21	0.4450
0.3802	343.21	0.5258
0.3968	353.16	0.5251
0.4077	328.16	0.5792
0.4406	363.21	0.5400
0.4445	283.03	0.6677
0.4576	313.12	0.6464
0.4702	298.11	0.6785
0.5067	343.21	0.6450
0.5338	328.16	0.6901
0.5349	353.16	0.6453
0.5430	363.21	0.6224
0.5670	283.03	0.7688
0.6069	298.11	0.7801
0.6070	313.12	0.7654
0.6372	343.21	0.7432
0.6527	353.16	0.7348
0.6553	363.21	0.7022
0.6556	328.16	0.7807
0.6859	363.21	0.7217
0.7242	283.03	0.8635
0.7487	313.12	0.8559
0.7509	298.11	0.8653
0.7569	353.16	0.8104
0.7589	343.21	0.8316
0.7743	328.16	0.8572
0.8333	353.16	0.8641
0.8525	353.16	0.8772
0.8573	283.03	0.9324
0.8654	313.12	0.9237
0.8665	298.11	0.9298
0.8786	328.16	0.9249
0.8825	343.21	0.9134

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Gas	Mole fraction of Difluoromethane (1) - Gas
0.0000	258.15	0.0000
0.0000	273.15	0.0000
0.0000	293.15	0.0000
0.0181	273.15	0.0444
0.0836	293.15	0.1749
0.1025	258.15	0.2330
0.1356	273.15	0.2854
0.1831	293.15	0.3460
0.2160	258.15	0.4247
0.2378	273.15	0.4471
0.2850	258.15	0.5198
0.3215	293.15	0.5310
0.4195	273.15	0.6571
0.4400	293.15	0.6534
0.4423	258.15	0.6965
0.5376	258.15	0.7727
0.5405	273.15	0.7606
0.5675	293.15	0.7580
0.6386	258.15	0.8404
0.6687	273.15	0.8451
0.7048	293.15	0.8479
0.7639	258.15	0.9021
0.8069	293.15	0.9046
0.8258	273.15	0.9254
0.8983	258.15	0.9578
0.9313	273.15	0.9702
0.9441	293.15	0.9727
1.0000	258.15	1.0000
1.0000	273.15	1.0000
1.0000	293.15	1.0000

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Gas	Temperature, K - Liquid	Mole fraction of Difluoromethane (1) - Liquid
0.0849	323.15	0.0510
0.0879	333.15	0.0475
0.1864	323.15	0.1106
0.1930	343.15	0.1120
0.1954	333.15	0.1139
0.2145	313.15	0.1186
0.2850	323.15	0.1693
0.2877	343.15	0.1765
0.3256	313.15	0.1881
0.3264	333.15	0.2013
0.3654	343.15	0.2362
0.3671	323.15	0.2265
0.4187	313.15	0.2555
0.4549	333.15	0.3037
0.4624	323.15	0.3012
0.4774	343.15	0.3339
0.5371	323.15	0.3662
0.5686	343.15	0.4281
0.5893	313.15	0.4108
0.6251	343.15	0.4919
0.6476	323.15	0.4832
0.6519	343.15	0.5230
0.6559	333.15	0.5100
0.6561	313.15	0.4815
0.6851	333.15	0.5434
0.6966	313.15	0.5381
0.7017	323.15	0.5459
0.7028	343.15	0.5870
0.7310	343.15	0.6235
0.7480	333.15	0.6243
0.7569	323.15	0.6200
0.7687	313.15	0.6370
0.7703	333.15	0.6546
0.8018	323.15	0.6838
0.8028	333.15	0.7018
0.8036	313.15	0.6811
0.8193	343.15	0.7470
0.8367	323.15	0.7353
0.8668	333.15	0.7984
0.8738	343.15	0.8250
0.8828	313.15	0.7964
0.8923	323.15	0.8239
0.9096	343.15	0.8777
0.9119	313.15	0.8454
0.9175	333.15	0.8767
0.9326	323.15	0.8903
0.9377	343.15	0.9175
0.9395	313.15	0.8936
0.9641	343.15	0.9548
0.9659	333.15	0.9501
0.9701	323.15	0.9516
1.0000	313.15	1.0000
1.0000	323.15	1.0000
1.0000	333.15	1.0000
1.0000	343.15	1.0000

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (1) - Gas
0.0814	343.21	0.1446
0.1057	353.16	0.1741
0.1163	363.21	0.1802
0.1253	328.16	0.2262
0.1357	298.11	0.2667
0.1429	313.12	0.2695
0.1996	283.03	0.3856
0.2295	363.21	0.3253
0.2357	343.21	0.3665
0.2494	353.16	0.3688
0.2750	328.16	0.4327
0.2790	298.11	0.4806
0.3090	313.12	0.4953
0.3207	283.03	0.5513
0.3381	363.21	0.4450
0.3802	343.21	0.5258
0.3968	353.16	0.5251
0.4077	328.16	0.5792
0.4406	363.21	0.5400
0.4445	283.03	0.6677
0.4576	313.12	0.6464
0.4702	298.11	0.6785
0.5067	343.21	0.6450
0.5338	328.16	0.6901
0.5349	353.16	0.6453
0.5430	363.21	0.6224
0.5670	283.03	0.7688
0.6069	298.11	0.7801
0.6070	313.12	0.7654
0.6372	343.21	0.7432
0.6527	353.16	0.7348
0.6553	363.21	0.7022
0.6556	328.16	0.7807
0.6859	363.21	0.7217
0.7242	283.03	0.8635
0.7487	313.12	0.8559
0.7509	298.11	0.8653
0.7569	353.16	0.8104
0.7589	343.21	0.8316
0.7743	328.16	0.8572
0.8333	353.16	0.8641
0.8525	353.16	0.8772
0.8573	283.03	0.9324
0.8654	313.12	0.9237
0.8665	298.11	0.9298
0.8786	328.16	0.9249
0.8825	343.21	0.9134

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Gas	Mole fraction of Difluoromethane (1) - Gas
0.0000	258.15	0.0000
0.0000	273.15	0.0000
0.0000	293.15	0.0000
0.0181	273.15	0.0444
0.0836	293.15	0.1749
0.1025	258.15	0.2330
0.1356	273.15	0.2854
0.1831	293.15	0.3460
0.2160	258.15	0.4247
0.2378	273.15	0.4471
0.2850	258.15	0.5198
0.3215	293.15	0.5310
0.4195	273.15	0.6571
0.4400	293.15	0.6534
0.4423	258.15	0.6965
0.5376	258.15	0.7727
0.5405	273.15	0.7606
0.5675	293.15	0.7580
0.6386	258.15	0.8404
0.6687	273.15	0.8451
0.7048	293.15	0.8479
0.7639	258.15	0.9021
0.8069	293.15	0.9046
0.8258	273.15	0.9254
0.8983	258.15	0.9578
0.9313	273.15	0.9702
0.9441	293.15	0.9727
1.0000	258.15	1.0000
1.0000	273.15	1.0000
1.0000	293.15	1.0000

Mole fraction of Difluoromethane (1) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Gas	Temperature, K - Liquid	Mole fraction of Difluoromethane (1) - Liquid
0.0849	323.15	0.0510
0.0879	333.15	0.0475
0.1864	323.15	0.1106
0.1930	343.15	0.1120
0.1954	333.15	0.1139
0.2145	313.15	0.1186
0.2850	323.15	0.1693
0.2877	343.15	0.1765
0.3256	313.15	0.1881
0.3264	333.15	0.2013
0.3654	343.15	0.2362
0.3671	323.15	0.2265
0.4187	313.15	0.2555
0.4549	333.15	0.3037
0.4624	323.15	0.3012
0.4774	343.15	0.3339
0.5371	323.15	0.3662
0.5686	343.15	0.4281
0.5893	313.15	0.4108
0.6251	343.15	0.4919
0.6476	323.15	0.4832
0.6519	343.15	0.5230
0.6559	333.15	0.5100
0.6561	313.15	0.4815
0.6851	333.15	0.5434
0.6966	313.15	0.5381
0.7017	323.15	0.5459
0.7028	343.15	0.5870
0.7310	343.15	0.6235
0.7480	333.15	0.6243
0.7569	323.15	0.6200
0.7687	313.15	0.6370
0.7703	333.15	0.6546
0.8018	323.15	0.6838
0.8028	333.15	0.7018
0.8036	313.15	0.6811
0.8193	343.15	0.7470
0.8367	323.15	0.7353
0.8668	333.15	0.7984
0.8738	343.15	0.8250
0.8828	313.15	0.7964
0.8923	323.15	0.8239
0.9096	343.15	0.8777
0.9119	313.15	0.8454
0.9175	333.15	0.8767
0.9326	323.15	0.8903
0.9377	343.15	0.9175
0.9395	313.15	0.8936
0.9641	343.15	0.9548
0.9659	333.15	0.9501
0.9701	323.15	0.9516
1.0000	313.15	1.0000
1.0000	323.15	1.0000
1.0000	333.15	1.0000
1.0000	343.15	1.0000

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0814	343.21	2012.30
0.1057	353.16	2548.00
0.1163	363.21	3132.50
0.1253	328.16	1520.70
0.1357	298.11	715.10
0.1429	313.12	1080.90
0.1996	283.03	499.80
0.2295	363.21	3554.60
0.2357	343.21	2422.20
0.2494	353.16	3005.80
0.2750	328.16	1822.70
0.2790	298.11	867.40
0.3090	313.12	1328.10
0.3207	283.03	587.40
0.3381	363.21	3988.80
0.3802	343.21	2829.80
0.3968	353.16	3505.70
0.4077	328.16	2108.80
0.4406	363.21	4409.40
0.4445	283.03	679.40
0.4576	313.12	1563.60
0.4702	298.11	1080.00
0.5067	343.21	3204.60
0.5338	328.16	2388.00
0.5349	353.16	3999.70
0.5430	363.21	4850.00
0.5670	283.03	775.70
0.6069	298.11	1233.60
0.6070	313.12	1801.10
0.6372	343.21	3607.50
0.6527	353.16	4445.70
0.6553	363.21	5365.30
0.6556	328.16	2666.20
0.6859	363.21	5506.00
0.7242	283.03	895.90
0.7487	313.12	2036.90
0.7509	298.11	1395.50
0.7569	353.16	4869.60
0.7589	343.21	4007.60
0.7743	328.16	2947.50
0.8333	353.16	5196.80
0.8525	353.16	5276.80
0.8573	283.03	996.40
0.8654	313.12	2239.20
0.8665	298.11	1529.90
0.8786	328.16	3209.10
0.8825	343.21	4429.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	258.15	152.90
0.0000	273.15	266.80
0.0000	293.15	509.30
0.0181	273.15	275.00
0.0836	293.15	573.20
0.1025	258.15	179.40
0.1356	273.15	326.80
0.1831	293.15	654.70
0.2160	258.15	211.80
0.2378	273.15	376.20
0.2850	258.15	233.70
0.3215	293.15	782.30
0.4195	273.15	477.20
0.4400	293.15	898.80
0.4423	258.15	289.30
0.5376	258.15	325.80
0.5405	273.15	548.90
0.5675	293.15	1030.40
0.6386	258.15	362.40
0.6687	273.15	624.50
0.7048	293.15	1172.00
0.7639	258.15	407.70
0.8069	293.15	1277.90
0.8258	273.15	713.60
0.8983	258.15	453.40
0.9313	273.15	773.30
0.9441	293.15	1416.30
1.0000	258.15	488.10
1.0000	273.15	814.00
1.0000	293.15	1474.60

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0814	343.21	2012.30
0.1057	353.16	2548.00
0.1163	363.21	3132.50
0.1253	328.16	1520.70
0.1357	298.11	715.10
0.1429	313.12	1080.90
0.1996	283.03	499.80
0.2295	363.21	3554.60
0.2357	343.21	2422.20
0.2494	353.16	3005.80
0.2750	328.16	1822.70
0.2790	298.11	867.40
0.3090	313.12	1328.10
0.3207	283.03	587.40
0.3381	363.21	3988.80
0.3802	343.21	2829.80
0.3968	353.16	3505.70
0.4077	328.16	2108.80
0.4406	363.21	4409.40
0.4445	283.03	679.40
0.4576	313.12	1563.60
0.4702	298.11	1080.00
0.5067	343.21	3204.60
0.5338	328.16	2388.00
0.5349	353.16	3999.70
0.5430	363.21	4850.00
0.5670	283.03	775.70
0.6069	298.11	1233.60
0.6070	313.12	1801.10
0.6372	343.21	3607.50
0.6527	353.16	4445.70
0.6553	363.21	5365.30
0.6556	328.16	2666.20
0.6859	363.21	5506.00
0.7242	283.03	895.90
0.7487	313.12	2036.90
0.7509	298.11	1395.50
0.7569	353.16	4869.60
0.7589	343.21	4007.60
0.7743	328.16	2947.50
0.8333	353.16	5196.80
0.8525	353.16	5276.80
0.8573	283.03	996.40
0.8654	313.12	2239.20
0.8665	298.11	1529.90
0.8786	328.16	3209.10
0.8825	343.21	4429.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	258.15	152.90
0.0000	273.15	266.80
0.0000	293.15	509.30
0.0181	273.15	275.00
0.0836	293.15	573.20
0.1025	258.15	179.40
0.1356	273.15	326.80
0.1831	293.15	654.70
0.2160	258.15	211.80
0.2378	273.15	376.20
0.2850	258.15	233.70
0.3215	293.15	782.30
0.4195	273.15	477.20
0.4400	293.15	898.80
0.4423	258.15	289.30
0.5376	258.15	325.80
0.5405	273.15	548.90
0.5675	293.15	1030.40
0.6386	258.15	362.40
0.6687	273.15	624.50
0.7048	293.15	1172.00
0.7639	258.15	407.70
0.8069	293.15	1277.90
0.8258	273.15	713.60
0.8983	258.15	453.40
0.9313	273.15	773.30
0.9441	293.15	1416.30
1.0000	258.15	488.10
1.0000	273.15	814.00
1.0000	293.15	1474.60

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Gas	Temperature, K - Gas	Vapor or sublimation pressure, kPa - Gas
0.0849	323.15	1228.00
0.0879	333.15	1541.00
0.1864	323.15	1323.00
0.1930	343.15	2078.00
0.1954	333.15	1675.00
0.2145	313.15	1040.00
0.2850	323.15	1424.00
0.2877	343.15	2239.00
0.3256	313.15	1136.00
0.3264	333.15	1857.00
0.3654	343.15	2397.00
0.3671	323.15	1526.00
0.4187	313.15	1234.00
0.4549	333.15	2085.00
0.4624	323.15	1665.00
0.4774	343.15	2665.00
0.5371	323.15	1783.00
0.5686	343.15	2938.00
0.5893	313.15	1473.00
0.6251	343.15	3124.00
0.6476	323.15	2016.00
0.6519	343.15	3219.00
0.6559	333.15	2581.00
0.6561	313.15	1587.00
0.6851	333.15	2672.00
0.6966	313.15	1682.00
0.7017	323.15	2146.00
0.7028	343.15	3423.00
0.7310	343.15	3529.00
0.7480	333.15	2878.00
0.7569	323.15	2300.00
0.7687	313.15	1850.00
0.7703	333.15	2954.00
0.8018	323.15	2435.00
0.8028	333.15	3088.00
0.8036	313.15	1917.00
0.8193	343.15	3936.00
0.8367	323.15	2540.00
0.8668	333.15	3341.00
0.8738	343.15	4211.00
0.8828	313.15	2115.00
0.8923	323.15	2732.00
0.9096	343.15	4412.00
0.9119	313.15	2200.00
0.9175	333.15	3563.00
0.9326	323.15	2887.00
0.9377	343.15	4560.00
0.9395	313.15	2286.00
0.9641	343.15	4686.00
0.9659	333.15	3774.00
0.9701	323.15	3028.00
1.0000	313.15	2469.00
1.0000	323.15	3138.00
1.0000	333.15	3934.00
1.0000	343.15	4884.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (1) - Gas	Temperature, K - Gas	Vapor or sublimation pressure, kPa - Gas
0.0849	323.15	1228.00
0.0879	333.15	1541.00
0.1864	323.15	1323.00
0.1930	343.15	2078.00
0.1954	333.15	1675.00
0.2145	313.15	1040.00
0.2850	323.15	1424.00
0.2877	343.15	2239.00
0.3256	313.15	1136.00
0.3264	333.15	1857.00
0.3654	343.15	2397.00
0.3671	323.15	1526.00
0.4187	313.15	1234.00
0.4549	333.15	2085.00
0.4624	323.15	1665.00
0.4774	343.15	2665.00
0.5371	323.15	1783.00
0.5686	343.15	2938.00
0.5893	313.15	1473.00
0.6251	343.15	3124.00
0.6476	323.15	2016.00
0.6519	343.15	3219.00
0.6559	333.15	2581.00
0.6561	313.15	1587.00
0.6851	333.15	2672.00
0.6966	313.15	1682.00
0.7017	323.15	2146.00
0.7028	343.15	3423.00
0.7310	343.15	3529.00
0.7480	333.15	2878.00
0.7569	323.15	2300.00
0.7687	313.15	1850.00
0.7703	333.15	2954.00
0.8018	323.15	2435.00
0.8028	333.15	3088.00
0.8036	313.15	1917.00
0.8193	343.15	3936.00
0.8367	323.15	2540.00
0.8668	333.15	3341.00
0.8738	343.15	4211.00
0.8828	313.15	2115.00
0.8923	323.15	2732.00
0.9096	343.15	4412.00
0.9119	313.15	2200.00
0.9175	333.15	3563.00
0.9326	323.15	2887.00
0.9377	343.15	4560.00
0.9395	313.15	2286.00
0.9641	343.15	4686.00
0.9659	333.15	3774.00
0.9701	323.15	3028.00
1.0000	313.15	2469.00
1.0000	323.15	3138.00
1.0000	333.15	3934.00
1.0000	343.15	4884.00

Sources

• Vapor liquid equilibrium data for the difluoromethane (R32) dimethyl ether (RE170) system at temperatures from 283.03 to 363.21K and pressures up to 5.5MPa
• Isothermal VLE Measurements for Difluoromethane + Dimethylether and an Evaluation of Hydrogen Bonding
• Vapor-Liquid Equilibria of the Difluoromethane + Dimethyl Ether and 1,1,1,2-Tetrafluoroethane + Dimethyl Ether Systems