Table 13. Binary Azeotropic Mixtures - Maximum Boiling Point

Substances in mixture.

Boiling points.

Percentage of A. by weight in mixture.

Observer.

A.

B.

A.

B.

Az mix ture.

Water

Nitric acid

100.0

86.0

120.5

32

R.

Water

Hydrochloric acid

100.0

-84

110

79.76

R.

Water

Hydrobromic acid

100.0

-73

126

52.5

R

Water

Hydriodic acid

100.0

-34

127

43

R.

Water

Hydrofluoric acid

100.0

19.4

120

63

R.

Water

Formic acid

100.0

99.9

107.1

22.5

R.

Water

Formic acid

100.0

100.75

107.3

22.5

L.

Water

Perchloric acid

100.0

110.0

203

28.4

R.

Formic acid

Diethyl ketone

100.75

102.2

105.4

33

L.

Formic acid

Methyl propyl ketone

100.75

102.25

105.3

32

L.

Propionic acid

Acetylacetone

140.7

138

144

70

L.

Hydrochloric acid

Methyl ether

- 84

-23.65

-1.5

60

F., L.

Formic acid

Pyridine

100.7

116.7

149

18

Ga., An., Z„ L.

Formic acid

Picoline, a

100.7

134

158

25

Ga., L.

Acetic acid

Pyridine

118.5

115.5

139.7

35

Ga., An., L.

Acetic acid

Picoline, a

118.5

134

146

40

Ga., Z.

Propionic acid

Pyridine

140.7

116.7

150.151

31.5

Ga., An., L.

Phenol

Cyclo-hexanol

181.5

160.65

182.45

90.5

L.

Phenol

Sec. octyl alcohol

181.5

178.5

184.65

50

L.

Phenol

Glycol

181.5

197.4

199

22

L.

Cresol, p.

Glycol

201.8

197.4

203

68

L.

Cresol, p.

Benzyl alcohol

201.8

205.5

207.0

38

L.

Phenol

Benzaldehyde

181.5

179.2

185.6

51

L.

Phenol

Aniline

181.5

184.35

186.22

42

L.

Cresol, o.

Dimethyl aniline

190.8

194.05

195.6

<30

L.

Cresol, o.

Methyl aniline

190.8

196.1

196.7

10

L.

Cresol, p.

Toluidine, p.

201.8

200.3

204.35

57

L.

Cresol, p.

Toluidine, o.

201.8

200.7

204.5

53

L.

Cresol, p.

Ethyl aniline

201.8

206.05

207.2

<20

L.

Cresol, o.

Acetophenone

190.8

202

203.7

22

L.

Cresol, p.

Fenchone

201.8

193

205

72

L.

Cresol, p.

Acetophenone

201.8

202

208.45

50

L.

Cresol, p.

Camphor

201.8

208.9

213.15

30

L.

Cresol, m.

Acetophenone

202.8

202

209

52

L.

Cresol, m.

Camphor

202.8

208.9

213.5

35

L.

Phenol

Isoamyl butyrate

181.5

178.6

185.6

61

L.

Phenol

Isobutyl lactate

181.5

182.15

189.05

46

L.

Phenol

Ethyl oxalate

181.5

185 0

189.1

43

L.

Cresol, o.

Ethyl oxalate

190.8

1850

193.9

67

L.

Cresol, o.

Methyl benzoate

190.8

199.55

200.8

30

L.

Cresol, p.

Methyl benzoate

201.8

199.55

204.7

85

L.

Cresol, p.

Isoamyl lactate

201.8

202.4

207.25

48

L.

Cresol, m.

Methyl benzoate

202.8

199.55

205.6

88

L.

Cresol, m.

Isoamyl lactate

202.8

202.4

207.6

50

L.

Acetone

Chloroform

56.4

61.2

64.7

20

Ry., Th., L., Ty., Y.

Diethyl ketone

Dichloro-bromo-methane

102.2

90.2

103.0

64

L.

Camphor

Benzal chloride

208.9

205.1

209.7

75

L.

Chloroform

Ethyl formate

61.2

54.15

62.7

87

L.

Chloroform

Methyl acetate

61.2

57.05

64.8

77

Ry., L.

Pentachlorethane

Mesitylene

161.95

164.0

166

44

L.

Hydrogen bromide

Hydrogen sulphide

. . .

. . .

-70

61

S. &B.