常见共沸物的组成及沸点

常见共沸物组分及沸点

序组分名称组分沸点/℃共沸物质量百分比/%

号组分组分沸点组分

组分二组分一组分二

/℃

1水乙醇10078.478.14.595.5

2水正丙醇10097.287.728.371.7

3水异丙醇10082.580.412.187.9

4水正丁醇100117.892.43862

5水异丁醇1001089033.266.8

6水仲丁醇10099.588.532.167.9

7水叔丁醇10082.879.911.788.3

8水正戊醇100137.8965446

2-甲基-1-

9水100131.495.249.650.4

丁醇

2-甲基-2-

10水100102.387.427.572.5

丁醇

11水2-戊醇100119.392.538.561.5

12水3-戊醇100115.491.73664

13水正己醇100157.997.87525

14水正庚醇100176.298.78317

15水正辛醇100195.299.49010

16水烯丙醇1009788.227.172.9

17水苯甲醇100205.299.9919

18水糠醇100169.498.58020

19水苯10080.269.38.991.1

20水甲苯100110.884.119.680.4

21水二氯乙烷10083.7728.391.7

22水二氯丙烷10096.8781288

23水乙醛10034.534.21.398.7

24水二异丙酸10068.462.24.595.5

乙基正丙

25水10063.659.5496

基酸

二异丁基

26水100122.288.62377

酸

二异戊基

27水100172.697.45446

酸

28水二苯酸100259.399.396.83.2

29水苯乙醛100170.497.35941

30水苯甲醛100153.995.540.559.5

间苯二酚

31水10023599.7919

二乙醛

甲酸正丙

32水10080.971.93.696.4

酯

甲酸正丁

33水100106.883.81585

酯

甲酸异丁

34水10098.480.47.892.2

酯

甲酸正戊

35水10013291.628.471.6

酯

甲酸异戊

36水100123.989.723.576.5

酯

37水甲酸苇酯100202.399.28020

38水乙酸乙酯10077.170.46.193.9

乙酸正丙

39水100101.682.41486

酯

乙酸异丙

40水1009177.46.293.8

酯

乙酸正丁

41水100126.290.228.771.3

酯

乙酸异丁

42水100117.287.519.580.5

酯

乙酸正戊

43水100148.895.24159

酯

乙酸异戊

44水100142.193.836.263.8

酯

乙酸茉甲

45水100214.999.687.512.5

酯

46水乙酸苯酯100195.798.975.124.9

47水丙酸甲酯10079.971.43.996.1

48水丙酸乙酯10099.281.21090

丙酸正丙

49水100122.188.92377

酯

丙酸异丁

50水100136.992.832.267.8

酯

丙酸异戊

51水100160.396.648.551.5

酯

52水丁酸甲酯100102.782.711.588.5

53水丁酸乙酯100120.187.921.578.5

丁酸正丙

54水100142.894.136.463.6

酯

丁酸正丁

55水100165.797.25347

酯

丁酸异丁

56水100156.896.34654

酯

丁酸异戊

57水100178.598.163.536.5

酯

异丁酸甲

58水10092.377.76.893.2

酯

异丁酸乙

59水100110.185.215.284.8

酯

异丁酸正

60水100133.992.230.869.2

丙酯

异丁酸异

61水100147.395.539.460.6

丁酯

异丁酸异

62水100168.997.45644

戊酯

异戊酸甲

63水100116.387.219.280.8

酯

异戊酸乙

64水100134.792.230.269.8

酯

异戊酸正

65水100155.896.245.254.8

丙酯

异戊酸异

66水100168.797.455.844.2

丁酯

异戊酸异

67水100193.598.874.125.9

戊酯

68水己酸乙酯100166.897.25446

肉桂酸甲

69水100261.999.995.54.5

酯

苯甲酸甲

70水100199.599.179.220.8

酯

苯甲酸乙

71水100212.499.48416

酯

苯甲酸正

72水100230.999.790.99.1

丙酯

苯甲酸正

73水100249.899.9946

丁酯

苯甲酸异

74水100242.299.892.67.4

丁酯

苯甲酸异

75水100262.299.995.64.4

戊酯

苯乙酸乙

76水100228.899.791.38.7

酯

77水硝酸乙酯10087.774.42278

硝酸正丙

78水100110.584.82080

酯

硝酸异丁

79水100122.9892575

酯

甲酸（最大

80水100100.8107.322.577.5

值）

81水乙酸100118.1无(no)

82水丙酸100141.199.9882.317.7

83水丁酸100163.599.481.618.4

84水异丁酸100154.599.37921

硝酸（最大

85水10086120.53268

值）

高氯酸（最

86水10011020328.471.6

大值）

87水氢氟酸（最10019.41206337

大值）

氢氯酸（最

88水100-8411079.7620.24

大值）

氢澳酸（最

89水100-7312652.547.5

大值）

氢碘酸（最

90水7

大值）

甲基乙基

91水10079.673.51189

酮

甲基正丙

92水10010283.319.580.5

基酮

甲基异丁

93水100115.987.924.375.7

基酮

异丙亚基

94水100129.591.834.865.2

内酮

95水双丙酮醇10016698.887.312.7

96水丁醛10075.768694

97水糠醛100161.597.56535

98水此咤100115.592.64357

99甲醇乙酸甲酯64.75753.818.781.3

100甲醇乙酸乙酯64.777.162.34456

乙酸异丙

101甲醇64.79164.58020

酯

二甲基硫

102甲醇64.737.3341585

酸

103甲醇二氯乙烷64.783.7613268

104甲醇氯仿64.761.153.512.687.4

105甲醇正己烷64.768.950.62872

106甲醇四氯化碳64.776.855.720.679.4

107甲醇甲苯64.711063.86931

108甲醇甲酸乙酯64.754.1511684

甲醛缩二

109甲醇64.742.341.98.291.8

甲醇

110甲醇丙酸甲酯64.779.862.547.552.5

Ill甲醇正丙酸64.790.463.87228

112甲醇丙酮64.756.355.712.187.9

113甲醇正戊烷64.736.232.8991

114甲醇正庚烷64.798.559.151.548.5

115甲醇苯64.780.258.339.660.4

116甲醇环己烷64.780.854.237.262.8

117甲醇硝基甲烷64.7101.264.6919

118甲醇1-氯丁烷64.778.1572773

119甲醇1-氯丙烷64.746.640.59.590.5

120甲醇2-氯丙烷64.736.333.4694

121甲醇漠乙烷64.738.4354.595.5

122甲醇1-滨丙烷64.77154.52179

123甲醇2T臭丙烷64.759.848.61585

澳代异丁

124甲醇64.79161.341.758.3

烷

125甲醇碘代甲烷64.742.6386.593.5

126甲醇2-碘丙烷64.789.4613862

127甲醇硼酸甲酯64.768.754.63268

碳酸二甲

128甲醇64.790.462.77030

酯

129乙醇乙酸甲酯78.35756.9397

130乙醇乙酸乙酯78.377.171.830.869.2

乙酸正丙

131乙醇78.3101.678.28515

酯

乙酸异丙

132乙醇78.39176.85743

酯

133乙醇乙缩醛78.3103.6787624

134乙醇二氯乙烷78.383.770.53763

135乙醇氯仿78.361.159.4793

136乙醇正己烷78.368.958.72179

137乙醇四氯化碳78.376.865.115.884.2

138乙醇甲苯78.3110.876.76832

甲酸正丙

139乙醇78.380.871.83862

酯

甲基乙基

140乙醇78.379.674.84060

酮

141乙醇丙酸乙酯78.399.2787525

142乙醇丙酸甲酯78.379.7723367

143乙醇正丙酸78.390.474.54456

144乙醇正戊烷78.336.234.3595

145乙醇正辛烷78.3125.6777822

146乙醇正庚烷78.398.570.94951

147乙醇苯78.380.268.232.467.6

148乙醇烯丙基氯78.345.744595

149乙醇硝酸乙酯78.387.771.94456

氯代正丁

150乙醇78.378.165.720.379.7

烷

151乙醇1-氯丙烷78.346.745694

152乙醇2一氯丙烷78.336.335.62.897.2

澳代正丁

153乙醇78.3100.3754357

烷

漠代异丁

154乙醇78.39172.53169

烷

155乙醇17臭丙烷78.37162.820.579.5

156乙醇27臭丙烷78.359.855.610.589.5

157乙醇碘代甲烷78.342.641.23.296.8

158乙醇1-碘丙烷78.3102.475.44456

159乙醇2-碘丙烷78.389.471.52773

异丙

160乙酸乙酯82.577.175.32575

醇

异丙乙酸异丙

16182.59181.36040

醇酯

异丙乙基正丙

16282.563.6621090

醇基酸

异丙

163乙缩醛82.5103.681.36337

醇

异丙

164二氯乙烷82.583.774.743.556.5

醇

异丙

165氯仿82.561.160.84.295.8

醇

异丙

166正己烷82.568.962.72377

醇

异丙

167四氯化碳82.576.8691882

醇

异丙

168甲苯82.5110.881.37921

醇

异丙甲基乙基

16982.57977.53268

醇酮

异丙

170丙酸甲酯82.579.876.43763

醇

异丙

171异丙醴82.582.366.214.185.9

醇

异丙

172正戊烷82.536.235.5694

醇

异丙

173正庚烷82.598.576.35446

醇

异丙

174苯82.580.271.933.366.7

醇

异丙

175烯丙基漠82.570.866.52080

醇

异丙氯代正丁

17682.578.170.82377

醇烷

异丙

1771-氯丙烷82.546.746.42.897.2

醇

异丙

178「嗅丙烷82.57166.820.579.5

醇

异丙

17927臭丙烷82.559.857.81288

醇

异丙

180碘代乙烷82.572.367.11585

醇

异丙

1811-碘丙烷82.5102.479.84258

醇

182异丙2-碘丙烷82.589.4763268

醇

正丙乙酸正丙

18397.2101.694.75149

醇酯

正丙

184乙缩醛97.2103.692.43763

醇

正丙

185丁酸甲酯97.2102.794.44951

醇

正丙

186二氯乙烷97.283.780.71981

醇

正丙

187正己烷97.268.965.7496

醇

正丙

188四氯化碳97.276.873.111.588.5

醇

正丙

189甲苯97.2110.892.452.547.5

醇

正丙甲酸正丙

19097.280.880.65397

醇酯

正丙

191丙酸乙酯97.299.293.44852

醇

正丙

192正丙酸97.290.485.73070

醇

正丙

193苯97.280.277.116.983.1

醇

正丙氯代正丁

19497.278.174.81882

醇烷

正丙

195氯苯97.213296.98317

醇

正丙溟代正丙

19697.27169.7991

醇烷

异丁乙酸异丁

197107.9117.5107.6928

醇酯

异丁

198乙缩醛107.9103.698.22080

醇

异丁

199二氯乙烷107.983.783.56.593.5

醇

异丁

200间二甲苯107.9139107.78713

醇

异丁

201丁酸甲酯107.9102.7101.32575

醇

异丁

202正己烷107.968.968.32.597.5

醇

异丁

203甲苯107.9110.8100.944.555.5

醇

异丁甲酸异丁

204107.997.997.41288

醇酯

异丁

205苯107.980.279.89.390.7

醇

异丁

206环己烷107.980.878.11486

醇

异丁氯代正丁

207107.978.177.7496

醇烷

异丁氯代异戊

208107.999.894.52278

醇烷

异丁

209氯苯107.9132107.16337

醇

异丁滨代正丁

210107.9100.3952179

醇烷

异丁溟代异丁

211107.99188.81288

醇烷

异丁碘代异丁

212107.9120.41043664

醇烷

正丁乙酸正丁

213117.8126.2117.24753

醇酯

正丁

214乙缩醛117.8103.61011387

醇

止1

215间二甲苯117.81391168020

醇

正丁

216丁酸乙酯117.8120115.76436

醇

217正丁四氯化碳117.876.876.62.597.5

醇

止

218J甲苯117.8110.8105.72773

醇

正丁甲酸正丁

219117.8106.6105.823.776.3

醇酯

正丁

220正庚烷117.898.594.41882

醇

止］

221环己烷117.880.879.8496

醇

正丁

222氯苯117.8132115.35644

醇

正丁滨代异丁

223117.89190.2793

醇烷

正丁碘代异丁

224117.8120.4110.53070

醇烷

异戊乙酸异戊

225131.4142.1131.398.51.5

醇酯

异戊

226间二甲苯131.413912753.346.7

醇

异戊

227三聚乙醛131.4124122.92278

醇

异戊

228甲苯131.4110.81101486

醇

异戊甲酸异戊

229131.4123.8123.71090

醇酯

异戊

230氯苯131.4132124.38515

醇

异戊滨代异戊

231131.4120.3116.82179

醇烷

异戊碘代异戊

232131.4147.7129.25446

醇烷

正戊

233正丁酸137.8142.11345248

醇

正戊甲酸正戊

234137.8132130.44357

醇酯

环己

235间二甲苯160.7143.61431486

醇

环己

236异戊酸160.7172.6158.87822

醇

环己

237苯乙醛160.7170.4159.27228

醇

环己碘代异戊

238160.7147.51471090

醇烷

环己

239糠醛160.7161.4155.64555

醇

烯丙乙酸正丙

24097101.694.25347

醇酯

烯丙

241二氯甲烷9783.779.91882

醇

烯丙

242丁酸甲酯97102.793.85545

醇

烯丙

243甲苯97110.892.45050

醇

烯丙

244苯9780.276.817.482.6

醇

烯丙

245环己烷9780.8742080

醇

烯丙

246烯丙基碘9710289.42872

醇

烯丙

247氯苯9713296.28515

醇

苯甲二甲基苯

248205.2194.1193.96.593.5

醇胺

苯甲间甲酚（最

249205.2202.2207.16139

醇大）

苯甲

250蔡205.2218.1204.16040

醇

苯甲

251硝基苯205.2210.82045842

醇

252苯甲邻溟甲苯205.2181.4181.25793

醇

苯甲

253碘代苯205.2188.6187.81288

醇

乙二乙酸异戊

254197.4142.1141.95397

醇酯

乙二

255正丁酸197.4142.11401090

醇

乙二

256间二甲苯197.4139135.61585

醇

乙二二甲基苯

257197.4194.1175.933.566.5

醇胺

乙二

258二苯酸197.4259.3193.16040

醇

乙二1,2-二漠

259197.4131.7129.8496

醇乙烷

乙二1,3,5-三

260197.4164.61561387

醇甲基苯

乙二

261甲苯197.4110.8110.26.593.5

醇

乙二

262邻甲酚197.4191.1189.62773

醇

乙二

263革基氯197.4179.31673070

醇

乙二

264B-茉乙醇197.4219.4194.46931

醇

乙二

265苯乙酮197.4202.1185.75248

醇

乙二

266苯甲醇197.4205.1193.15644

醇

乙二苯甲酸乙

267197.4212.6186.146.553.5

醇酯

乙二

268苯甲醛197.4153.9150.510.589.5

醇

乙二

269苯胺197.4184.4180.62476

醇

乙二

270蔡197.4218.1183.95149

醇

乙二

271联苯197.4254.91926436

醇

乙二

272硝基苯197.4210.9185.95941

醇

乙二

273氯苯197.4132130.194.45.6

醇

丙三

274对二澳苯291220.3217.11090

醇

丙三

275二苯健291257.7246.32278

醇

丙三苯酸正丙

276291230.9228.8892

醇酯

丙三苯酸正J

277291249.82431783

醇酯

丙三

278蔡291218.1215.21090

醇

丙三

279联苯291254.9243.85545

醇

二乙基酮

280甲酸100.8102.2105.43367

（最大值）

281甲酸间二甲苯100.813994.270.229.8

282甲酸二硫化碳100.846.342.61783

1,2-二氯

283甲酸100.883.677.41486

乙烷

1,2-二溟

284甲酸100.8131.794.751.548.5

乙烷

285甲酸氯仿100.861.259.21585

286甲酸正己烷100.868.960.62872

287甲酸四氯化碳100.876.866.718.581.5

288甲酸甲苯100.8110.885.85050

甲基正丙

289甲酸基酮（最大100.8102.3105.33268

值）

290甲酸正戊烷100.836.234.21090

291甲酸正辛烷100.8125.890.56337

292甲酸正庚烷100.898.578.243.556.5

293甲酸苯100.880.271.73169

294甲酸1-氯丙烷100.846.745.6892

295甲酸2-氯丙烷100.834.834.71.598.5

296甲酸2-氯丁烷100.868.9631981

氯代异戊

297甲酸100.899.88033.566.5

烷

298甲酸氯苯100.8132955545

299甲酸浪乙烷100.838.438.2397

300甲酸1T臭丙烷100.87164.72773

301甲酸2T臭丙烷100.859.4561486

302甲酸碘代甲烷100.842.642.1694

303乙酸间二甲苯118.5139115.472.527.5

1,2-二溟

304乙酸118.5131.7114.45545

乙烷

305乙酸四氯化碳118.576.876.6397

306乙酸甲苯118.5110.81053466

307乙酸正辛烷118.5125.81095050

308乙酸正庚烷118.598.592.33070

309乙酸苯118.580.280.05298

氯代异戊

310乙酸118.599.897.218.581.5

烷

311乙酸氯苯118.5132114.758.541.5

312乙酸1-澳丁烷118.5100.497.61882

313乙酸27臭丁烷118.591.390.21288

314乙酸2-碘丙烷118.589.288.3991

315丙酸间二甲苯140.9139132.73.564.5

1,2-二滨

316丙酸140.9131.7127.817.582.5

乙烷

317丙酸苯甲醛140.9153.9140.8964

318丙酸氯苯140.9132128.91882

319丙酸漠代异戊140.9120.3119.21090

烷

320丙酸2-碘丁烷140.9120.4119.5991

321丁酸间二甲苯162.5139138.3694

1,2-二滨

322丁酸162.5131.7131.13.596.5

乙烷

323丁酸革基氯162.5179.3160.86535