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NMR of Common Solvent Impurities in CD2Cl2


1H NMR
13C NMR
CH3COCH3 2.09 (s) 206.6 (s), 30.8 (s)
CHCl3 7.32 (s) 77.9 (s)
C6H5Cl 7.26-7.37 (m) 134.5 (s), 130.2 (s),
C6H5CH3 7.12-7.26 (m), 2.34 (s) 128.9 (s), 126.9 (s)
\138.4 (s), 129.4 (s), 128.6 (s), 125.6 (s), 21.6 (s)
C6H6 7.36 (s) 128.6 (s)
n-Hexane 1.26-1.32 (m), 0.89 (t, 3J = 7.0) 32.1 (s), 23.1 (s), 14.3 (s)
n-Pentane 1.24-1.33 (m), 0.89 (t, 3J = 7.0) 34.5 (s), 22.7 (s), 14.2 (s)
CH3OH 3.37 (s) 50.2 (s)
Et2O 3.44 (q, 3J = 7.0), 1.15 (t, 3J = 7.0) 66.0 (s), 15.5 (s)
THF 3.68 (m), 1.82 (m) 68.1 (s), 25.9 (s)
H2O 1.53 (s)
Silicone 0.08 (s)
Apiezon M 1.26 (s, br), 0.86 (m, br)
Apiezon N 2.12 (s), 1.26 (m, br), 0.88 (m, br)
MeCN 1.949 (s)
117.0 (s)
PMe3 0.98 (d)
C6H5Br 7.50 (d), 7.30 (t), 7.26 (t)
C6Me6 2.20 (s)

1H and 13C NMR spectra were recorded at ambient temperature. Chemical shifts are reported relative to SiMe4 and were determined by reference to the residual solvent resonances, 5.32 (t) for 1H and 53.8 (quint) for 13C, respectively. All coupling constants are given in Hertz.

For further information on common impurities in common solvents see, JOC 1997, 62 7512-7515