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→Table of liquid–vapor critical temperature and pressure for selected substances
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| 氩气
| 氩气
| {{sort|0150.8|{{convert|-122.4|C|K}}}}
| −122.4 °C (150.8 K)
| 48.1 atm (4,870 kPa)
|-
|-
| 氨(NH<sub>3</sub><ref>{{Cite web|url=http://www.engineeringtoolbox.com/ammonia-d_971.html|title=Ammonia - NH3 - Thermodynamic Properties|website=www.engineeringtoolbox.com|access-date=2017-04-07}}</ref>
| 氨(NH<sub>3</sub><ref>{{Cite web|url=http://www.engineeringtoolbox.com/ammonia-d_971.html|title=Ammonia - NH3 - Thermodynamic Properties|website=www.engineeringtoolbox.com|access-date=2017-04-07}}</ref>
| 132.4 °C (405.5 K)
| 111.3 atm (11,280 kPa)
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| R-134a
| R-134a
| 101.06 °C (374.21 K)
| 40.06 atm (4,059 kPa)
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|-
| R-410A
| R-410A
| 72.8 °C (345.9 K)
| 47.08 atm (4,770 kPa)
|-
|-
| 溴
| 溴
| 310.8 °C (584.0 K)
| 102 atm (10,300 kPa)
|-
|-
| 铯
| 铯
| {{sort|1938.00|{{convert|1664.85|C|K}}}}
| 1,664.85 °C (1,938.00 K)
| 94 atm (9,500 kPa)
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| 氯气
| 氯气
| 143.8 °C (416.9 K)
| 76.0 atm (7,700 kPa)
|-
|-
| 乙醇 (C<sub>2</sub>H<sub>5</sub>OH)
| 乙醇 (C<sub>2</sub>H<sub>5</sub>OH)
| 241 °C (514 K)
| 62.18 atm (6,300 kPa)
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| 氟
| 氟
| {{sort|0144.30|{{convert|-128.85|C|K}}}}
| −128.85 °C (144.30 K)
| 51.5 atm (5,220 kPa)
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|-
| 氦气
| 氦气
| {{sort|0005.19|{{convert|-267.96|C|K}}}}
| −267.96 °C (5.19 K)
| 2.24 atm (227 kPa)
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|-
| 氢气
| 氢气
| {{sort|0033.20|{{convert|-239.95|C|K}}}}
| −239.95 °C (33.20 K)
| 12.8 atm (1,300 kPa)
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|-
| 氪星
| 氪
| {{sort|0209.4|{{convert|-63.8|C|K}}}}
| −63.8 °C (209.3 K) 54.3 atm (5,500 kPa)
| 54.3 atm (5,500 kPa)
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| 甲烷(CH<sub>4</sub>)
| 甲烷(CH<sub>4</sub>)
| {{sort|0190.8|{{convert|-82.3|C|K}}}}
| −82.3 °C (190.8 K)
| 45.79 atm (4,640 kPa)
|-
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| 氖
| 氖
| {{sort|0044.40|{{convert|-228.75|C|K}}}}
| −228.75 °C (44.40 K) 27.2 atm (2,760 kPa)
| 27.2 atm (2,760 kPa)
|-
|-
| 氮气
| 氮气
| {{sort|0126.3|{{convert|-146.9|C|K}}}}
| −146.9 °C (126.2 K)
| 33.5 atm (3,390 kPa)
|-
|-
| 氧气(O<sub>2</sub>)
| 氧气(O<sub>2</sub>)
| {{sort|0154.6|{{convert|-118.6|C|K}}}}
| −118.6 °C (154.6 K)
| 49.8 atm (5,050 kPa)
|-
|-
| 二氧化碳 (CO<sub>2</sub>)
| 二氧化碳 (CO<sub>2</sub>)
| 31.04 °C (304.19 K)
| 72.8 atm (7,380 kPa)
|-
|-
| 氧化亚氮(N<sub>2</sub>O)
| 氧化亚氮(N<sub>2</sub>O)
| 36.4 °C (309.5 K)
| 71.5 atm (7,240 kPa)
|-
|-
| 硫酸(H<sub>2</sub>SO<sub>4</sub>)
| 硫酸(H<sub>2</sub>SO<sub>4</sub>)
| 654 °C (927 K)
| 45.4 atm (4,600 kPa)
|-
|-
| 氙气
| 氙气
| 16.6 °C (289.8 K)
| 57.6 atm (5,840 kPa)
|-
|-
| 锂
| 锂
| {{sort|3223|{{convert|2950|C|K}}}}
| 2,950 °C (3,220 K)
| 652 atm (66,100 kPa)
|-
|-
| 汞
| 汞
| {{sort|1750.1|{{convert|1476.9|C|K}}}}
| 1,476.9 °C (1,750.1 K)
| {{sort|1720|{{convert|1720|atm|kPa|abbr=on}}}}
| 1,720 atm (174,000 kPa)
|-
|-
| 硫
| 硫
| {{sort|1314.00|{{convert|1040.85|C|K}}}}
| 1,040.85 °C (1,314.00 K)
| 207 atm (21,000 kPa)
|-
|-
| 铁
| 铁
| {{sort|8500|{{convert|8227|C|K}}}}
| 8,227 °C (8,500 K)
|
|
|-
|-
| 金
| 金
| {{sort|7250|{{convert|6977|C|K}}}}
| 6,977 °C (7,250 K)
| {{sort|5000|{{convert|5000|atm|kPa|abbr=on}}}}
| 5,000 atm (510,000 kPa)
|-
|-
| 铝
| 铝
| {{sort|7850|{{convert|7577|C|K}}}}
| 7,577 °C (7,850 K)
|
|
|-
|-
| 水 (H<sub>2</sub>O)<ref name=IAPWS95/><ref>{{cite web | title = Critical Temperature and Pressure | publisher = Purdue University | url = http://www.chem.purdue.edu/gchelp/liquids/critical.html | access-date = 2006-12-19 }}</ref>
| 水 (H<sub>2</sub>O)<ref name=IAPWS95/><ref>{{cite web | title = Critical Temperature and Pressure | publisher = Purdue University | url = http://www.chem.purdue.edu/gchelp/liquids/critical.html | access-date = 2006-12-19 }}</ref>
| 373.946 °C (647.096 K)
| 217.7 atm (22,060 kPa)
|-
|-
|}
|}
从理论上讲，液-液临界点代表旋节曲线的温度-浓度极值（如右图所示）。因此，双组分体系的液-液临界点必须满足两个条件：旋节曲线的条件（自由能对浓度的二阶导数必须等于零），以及极值条件（自由能对浓度的三阶导数也必须等于零，或者旋节温度对浓度的导数必须等于零）
从理论上讲，液-液临界点代表旋节曲线的温度-浓度极值（如右图所示）。因此，双组分体系的液-液临界点必须满足两个条件：旋节曲线的条件（自由能对浓度的二阶导数必须等于零），以及极值条件（自由能对浓度的三阶导数也必须等于零，或者旋节温度对浓度的导数必须等于零）
==混合物：液体-液体临界点 ==
==混合物：液体-液体临界点 ==