15
BÜCHI Rotavapor R-3000 5 Operating the Rotavapor
5.4 Solvent
Solvent Formula Molary weight Energie of Boiling point in °C Tightness Vacuum in mbar
in g/mol evaporation in J/g at 1013 mbar in g/cm
3
for boiling at 40 ºC
Acetic acid C
2
H
4
O
2
60.0 695 118 1.049 44
Aceton C
3
H
6
O 58.1 553 56 0.790 556
N-Amylalcohol, n-Pentanol C
5
H
12
O 88.1 595 37 0.814 11
Benzene C
6
H
6
78.1 548 80 0.877 236
n-Butanol, tert. Butanol C
4
H
10
O 74.1 620 118 0.810 25
2-Methyl-2-Propanol C
4
H
10
O 74.1 590 82 0.789 130
Carbontetrachloride, tetra Chloromethane CCI
4
153.8 226 77 1.594 271
Chlorobenzene C
6
H
5
CI 112.6 377 132 1.106 36
Chloroform CHCI
3
119.4 264 62 1.483 474
Cyclohexane C
6
H
12
84.0 389 81 0.779 235
Diethyl ether C
4
H
10
O 74.0 389 35 0.714 850*
1,2,-Dichloroethane C
2
H
4
CI
2
99.0 335 84 1.235 210
1,2,-Dichloroethylene (cis) C
2
H
2
CI
2
97.0 322 60 1.284 479
1,2,-Dichloroethylene (trans) C
2
H
2
CI
2
97.0 314 48 1.257 751
Di isopropyl ether C
6
H
14
O 102.0 318 68 0.724 375
Dioxane C
4
H
8
O
2
88.1 406 101 1.034 107
DMF (Dimethylformamide) C
3
H
7
NO 73.1 153 0.949 11
Ethanol C
2
H
6
O 46.0 879 79 0.789 175
Ethyl acetat C
4
H
8
O
2
88.1 394 77 0.900 240
Heptane C
7
H
16
100.2 373 98 0.684 120
Hexane C
6
H
14
86.2 368 69 0.660 335
Isopropyl alcohol C
3
H
8
O 60.1 699 82 0.786 137
Isoamyl alcohol, 3-Methyl-1-Butanol C
5
H
12
O 88.1 595 129 0.809 14
Methyl ethyl ketone C
4
H
8
O 72.1 473 80 0.805 243
Methanol CH
4
O 32.0 1227 65 0.791 337
Methylenechloride, Dichloromethane CH
2
CI
2
84.9 373 40 1.327 850*
Pentane C
5
H
12
72.1 381 36 0.626 850*
n-Propyl alcohol C
3
H
8
O 60.1 787 97 0.804 67
Pentachlorethane C
2
HCI
5
202.3 201 162 1.680 13
1,1,2,2,-Tetrachloroethane C
2
H
2
CI
4
167.9 247 146 1.595 35
1,1,1,-Trichloroethane C
2
H
3
CI
3
133.4 251 74 1.339 300
Tetrachloroethylene C
2
CI
4
165.8 234 121 1.623 53
THF (Tetrahydrofurane) C
4
H
8
O 72.1 67 0.889 357
Toluene C
7
H
8
92.2 427 111 0.867 77
Trichloroethylene C
2
HCI
3
131.3 264 87 1.464 183
Water H
2
O 18.0 2261 100 1.000 72
Xylene (Isomers mixture) C
8
H
10
106.2 389 25
(o) 144 0.880
(m) 139 0.864
(p) 138 0.861
Table 2: Solvents * only possible when cooling water is 20°C
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