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Organic Volatile Impurities: Retention Time Index
Conditions used to determine retention time data are listed below.
Retention Time |
|||||||
---|---|---|---|---|---|---|---|
Compound |
ICH Class |
G16 Stabil- wax |
G16 Rtx-WAX |
G43 Rtx-1301 |
G27 Rxi-5ms |
G1 Rtx-1 |
NA Rtx-200 |
1,1,1-trichloroethane |
1 |
3.96 |
3.49 |
5.43 |
5.40 |
10.82 |
8.35 |
1,1,2-trichloroethane |
2 |
15.72 |
14.28 |
10.99 |
9.77 |
16.75 |
14.94 |
1,1-dichloro- ethene |
1 |
2.23 |
2.04 |
2.79 |
4.41 |
5.73 |
4.16 |
1,2-dichloro- ethane |
1 |
8.80 |
7.68 |
6.15 |
5.46 |
10.38 |
9.74 |
cis-1,2-dichloro- ethene |
2 |
6.50 |
5.65 |
4.79 |
2.88 |
8.71 |
7.11 |
trans-1,2-dichloro- ethene |
2 |
3.63 |
3.20 |
3.55 |
3.54 |
7.17 |
5.16 |
1,2-dimethoxyethane |
2 |
4.80 |
4.18 |
6.03 |
5.54 |
10.98 |
10.63 |
1,4-dioxane |
2 |
8.55 |
7.49 |
7.86 |
7.26 |
13.54 |
14.34 |
1-butanol |
3 |
11.13 |
10.08 |
7.18 |
5.76 |
11.49 |
10.13 |
1-pentanol |
3 |
14.95 |
13.75 |
11.19 |
9.44 |
16.99 |
14.95 |
1-propanol |
3 |
7.69 |
6.80 |
4.20 |
3.37 |
6.81 |
6.13 |
2-butanol |
3 |
7.25 |
6.44 |
5.08 |
4.16 |
8.51 |
7.69 |
2-ethoxyethanol |
2 |
13.99 |
12.70 |
8.69 |
7.36 |
13.91 |
13.99 |
2-methoxyethanol |
2 |
12.42 |
11.11 |
6.02 |
5.14 |
9.83 |
10.74 |
2-methyl-1-propanol |
3 |
9.32 |
8.40 |
6.00 |
4.79 |
* |
* |
2-propanol |
3 |
4.81 |
4.25 |
3.00 |
2.55 |
4.91 |
4.69 |
3-methyl-1-butanol |
3 |
13.42 |
12.25 |
9.86 |
8.26 |
15.28 |
13.55 |
acetic acid |
3 |
22.47 |
20.34 |
6.52 |
4.61 |
8.84 |
8.96 |
acetone |
3 |
3.02 |
2.64 |
2.89 |
2.50 |
4.64 |
7.68 |
acetonitrile |
2 |
6.91 |
5.83 |
3.28 |
2.47 |
4.32 |
8.89 |
anisole |
3 |
18.65 |
17.09 |
17.12 |
16.28 |
25.00 |
22.84 |
benzene |
1 |
5.23 |
4.54 |
5.98 |
3.83 |
11.63 |
9.17 |
butyl acetate |
3 |
8.86 |
7.88 |
12.12 |
11.38 |
19.43 |
19.63 |
carbon tetrachloride |
1 |
3.96 |
3.49 |
5.61 |
5.90 |
11.89 |
7.42 |
chlorobenzene |
2 |
13.91 |
12.54 |
13.55 |
13.14 |
21.56 |
18.48 |
chloroform |
2 |
7.31 |
6.41 |
5.23 |
4.64 |
9.18 |
6.66 |
cumene |
3 |
12.36 |
11.17 |
16.66 |
16.69 |
25.88 |
20.90 |
cyclohexane |
2 |
2.16 |
2.01 |
5.37 |
5.89 |
* |
* |
dichloromethane |
2 |
5.01 |
4.33 |
3.31 |
3.06 |
5.87 |
4.88 |
dimethylsulfoxide |
3 |
26.47 |
24.43 |
16.62 |
13.01 |
18.81 |
30.95 |
ethanol |
3 |
4.98 |
4.37 |
2.52 |
2.19 |
4.03 |
3.80 |
ethyl acetate |
3 |
4.08 |
3.56 |
4.87 |
4.44 |
9.04 |
10.35 |
ethyl benzene |
2 |
10.72 |
9.58 |
13.86 |
13.81 |
22.54 |
18.18 |
ethyl ether |
3 |
1.72 |
1.63 |
2.58 |
2.67 |
5.34 |
3.87 |
ethyl formate |
3 |
3.16 |
2.78 |
3.00 |
2.78 |
5.46 |
6.48 |
ethylene glycol |
2 |
28.06 |
26.23 |
10.77 |
6.63 |
12.59 |
13.86 |
formamide |
2 |
32.99 |
30.93 |
11.85 |
7.30 |
12.72 |
19.93 |
formic acid |
3 |
24.64 |
22.09 |
5.19 |
2.60 |
5.59 |
5.06 |
heptane |
3 |
1.98 |
1.86 |
6.34 |
6.98 |
14.18 |
7.84 |
hexane |
2 |
1.65 |
1.58 |
3.77 |
4.11 |
9.06 |
4.86 |
isobutyl acetate |
3 |
6.99 |
6.18 |
10.39 |
9.69 |
17.35 |
18.02 |
isopropyl acetate |
3 |
4.26 |
3.74 |
6.19 |
5.71 |
11.47 |
12.38 |
methanol |
2 |
4.23 |
3.64 |
1.96 |
1.80 |
3.14 |
2.93 |
methyl acetate |
3 |
3.19 |
2.80 |
3.17 |
2.93 |
5.80 |
7.10 |
methylbutyl ketone |
2 |
9.10 |
8.05 |
11.81 |
10.50 |
17.94 |
20.81 |
methylcyclohexane |
2 |
2.50 |
2.30 |
7.31 |
7.95 |
15.49 |
9.21 |
methylethyl ketone |
3 |
4.33 |
3.76 |
4.90 |
4.09 |
7.99 |
11.55 |
methylisobutyl ketone |
3 |
6.84 |
5.97 |
9.64 |
8.49 |
15.35 |
18.41 |
m-xylene |
2 |
11.21 |
10.04 |
14.29 |
14.17 |
23.01 |
18.78 |
N,N-dimethyl- acetamide |
2 |
20.75 |
19.01 |
12.95 |
13.96 |
21.42 |
30.00 |
N,N-dimethyl- formamide |
2 |
18.04 |
16.26 |
13.09 |
10.23 |
16.52 |
26.19 |
nitromethane |
2 |
11.82 |
10.31 |
4.84 |
3.53 |
6.30 |
12.01 |
N-methylpyrrolidone |
2 |
29.84 |
27.86 |
25.09 |
21.85 |
29.99 |
38.08 |
o-xylene |
2 |
12.79 |
11.51 |
15.46 |
15.26 |
24.23 |
20.33 |
pentane |
3 |
1.49 |
1.45 |
2.39 |
2.62 |
5.36 |
3.29 |
propyl acetate |
3 |
5.98 |
5.29 |
8.03 |
7.44 |
* |
* |
p-xylene |
2 |
10.98 |
9.82 |
14.29 |
14.17 |
22.99 |
18.69 |
pyridine |
2 |
12.64 |
11.24 |
9.60 |
8.57 |
15.40 |
16.45 |
sulfolane |
2 |
47.62 |
43.31 |
34.02 |
28.90 |
36.76 |
48.67 |
tert-butylmethyl ether |
3 |
1.94 |
1.82 |
3.50 |
3.59 |
7.52 |
5.73 |
tetrahydrofuran |
3 |
3.63 |
3.19 |
5.12 |
4.90 |
9.81 |
9.48 |
tetralin |
2 |
25.12 |
23.48 |
27.49 |
27.44 |
37.27 |
31.72 |
toluene |
2 |
7.86 |
6.91 |
9.80 |
9.66 |
17.36 |
14.00 |
1,1-diethoxypropane |
— |
5.42 |
4.84 |
11.39 |
11.38 |
19.82 |
15.08 |
2,2-dimethoxypropane |
— |
3.11 |
2.79 |
5.48 |
5.55 |
11.37 |
8.67 |
2-chloropropane |
— |
1.96 |
1.82 |
2.67 |
2.66 |
5.20 |
4.61 |
2-methylpentane |
— |
1.58 |
1.52 |
3.22 |
3.56 |
7.72 |
4.32 |
acetaldehyde |
— |
2.05 |
1.85 |
1.86 |
1.84 |
3.14 |
3.90 |
chloroethane |
— |
1.83 |
1.71 |
2.14 |
2.10 |
3.97 |
3.55 |
chloromethane |
— |
1.63 |
1.55 |
1.70 |
1.70 |
3.01 |
2.73 |
ethylene oxide |
— |
2.05 |
1.86 |
1.89 |
2.02 |
3.59 |
3.92 |
formaldehyde |
— |
2.25 |
1.57 |
1.68 |
1.58 |
2.66 |
2.59 |
isoamyl acetate |
— |
10.51 |
9.43 |
14.84 |
14.18 |
22.80 |
22.62 |
isooctane |
— |
1.85 |
1.75 |
5.84 |
6.59 |
13.66 |
8.07 |
isopropyl ether |
— |
1.86 |
1.76 |
4.03 |
4.23 |
9.03 |
5.83 |
methyl cyclopentane |
— |
1.91 |
1.79 |
4.50 |
4.93 |
10.41 |
5.81 |
methyl isopropyl ketone |
— |
4.93 |
4.29 |
6.58 |
5.69 |
11.04 |
14.47 |
methylal |
— |
2.26 |
2.06 |
2.84 |
2.82 |
5.65 |
5.09 |
trichloroethene |
— |
6.50 |
5.70 |
7.07 |
7.05 |
13.58 |
9.75 |
water |
— |
8.24 |
7.18 |
1.74 |
1.68 |
2.75 |
2.57 |
*not determined |
Retention time data collected using the following conditions:
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