Boyer Research
Tools Menu

13C NMR Shift Data for Common Impurities

Switch to 1H.
Click on the solvent name to sort by that solvent. Click on "name" to sort alphabetically.

Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
residual solvent53.877.2137.5128.149.0 39.567.2118.3206.3134.2126.3
  128.9    25.31.329.8 61.5
  128.0         
  125.1         
  20.4         
cyclohexanoneCO 211.8212.6208.6209.1214.7221.2210.6208.8 210.4209.3221.3
ethyl methyl ketoneCO 209.6209.6206.3206.6212.2218.4208.7207.1209.9208.3206.9218.3
acetoneCO206.8207.1204.0204.4209.7215.9206.3204.2207.4205.9204.832.4
carbon disulfideCS2193.0192.8192.7192.7193.8197.3192.6193.4 193.6192.5196.3
benzaldehydeHCO192.6192.7191.1191.4194.1191.7193.1192.0 193.0191.2197.6
acetic acidCO175.9176.0175.3175.8175.1177.2171.9171.7173.2172.3175.7178.0
tert-butyl methyl etherOCH3 49.5 49.249.749.4  49.5   
tert-butyl methyl etherC 72.9 72.474.375.6  73.2   
tert-butyl methyl etherCH3 27.0 27.127.226.6  27.3   
ethyl acetateCO 171.2171.4170.0170.4172.9175.3170.3170.3171.7171.0170.2175.6
dimethylacetamideCO 171.1171.1169.7170.0173.3174.6169.5169.8171.3170.6169.8175.7
allyl acetateCO170.8170.8169.4169.7172.4174.8170.0170.1 170.6169.6176.0
dimethyl malonateCO2167.3167.2166.5166.7168.7170.1166.9167.1 167.6166.5170.9
dimethylformamideCH162.6162.6161.9162.1164.7165.5162.3162.0163.3162.8162.0166.0
dimethyl carbonateCO156.7156.5156.6156.7157.9164.0155.8156.9 157.0156.4159.0
carbonateCO155.2154.9155.2155.2156.3157.8154.2155.4 155.5154.9157.4
BHAC(1) 153.1152.6153.5153.6154.3 152.5154.1 154.0153.2153.7
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
BHTC(1) 151.9151.6152.1152.1152.9 151.5152.5152.4152.5151.7153.5
pyridineCH(2,6)150.3149.9150.3150.3150.1149.2149.6150.6150.8150.7149.9149.8
BHAC(2,6) 148.1147.9148.1148.1149.0 147.4148.6 148.5147.9150.5
furanCH(2,5) 143.0142.7142.7142.7143.7143.6142.8143.3 143.5142.5144.2
tolueneC(1)138.4137.9137.8137.9138.9 137.4138.2138.9138.5137.7139.9
BHAC(4) 137.8137.4137.3137.5141.4 141.2140.1 140.3137.3140.2
benzaldehydeC(1) 137.0136.6137.1137.1138.0136.1136.2137.8 137.7136.8137.8
BHTC(2,6) 136.3135.9136.1136.1139.1 139.1137.9138.1138.2135.9138.6
pyridineCH(4)136.2136.0135.2135.3138.4138.3136.1136.0136.9136.6135.3139.6
imidazoleCH(2)135.8135.4135.6135.8136.3136.7135.2135.7 135.9135.5136.6
benzaldehydeC(4) 134.8134.6133.9134.0135.6134.7134.5134.7 135.1134.0137.2
propyleneCH134.2133.9133.6133.7134.6 133.6134.0 134.3133.6136.0
allyl acetateCHCH2 132.9132.3133.0132.9133.7132.5132.7133.9 133.8132.7133.3
carbonateCHCH2 132.2131.6132.3132.2133.3132.8132.2133.1 133.2131.9132.7
hexamethylbenzeneC132.1132.2131.7131.8132.5 131.1131.9 132.2131.5134.0
benzaldehydeCH(2,6) 130.0129.9129.6129.7130.6130.1129.5130.0 130.2129.5131.8
benzaldehydeCH(3,5) 129.4129.2128.7129.0130.1129.5129.1129.6 129.9128.9130.8
tolueneCH(2,6)129.4129.1129.3129.3129.9 128.9129.5129.9129.8129.1130.6
BHTC(4) 128.7128.3128.4128.5129.5 128.0128.6129.6129.1128.3130.6
benzeneCH128.7128.4128.6128.6129.3 128.3128.8129.3129.2128.4129.8
tolueneCH(3,5)128.5128.3128.5128.6129.2 128.2128.7129.2129.0128.3129.8
BHTCH(3,5) 125.8125.6125.8125.8126.1 124.9125.7126.4126.0125.6127.1
tolueneCH(4)125.6125.3125.7125.7126.3 125.3125.8126.3126.1125.4126.8
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
carbon dioxideCO2125.3125.0124.9124.8126.3 124.2125.7 125.8126.1126.9
pyridineCH(3,5)124.1123.8123.5123.6125.5125.1123.8124.1127.8124.6123.5126.3
ethyleneCH2123.2123.1122.9123.0123.5 123.5123.1 123.5123.0124.1
imidazoleCH(4,5) 122.2122.0122.1122.2122.6122.4121.6122.2 122.3122.0122.9
carbonateCHCH2 118.8119.0118.0118.2118.7118.8118.3117.7 118.5118.2120.2
allyl acetateCHCH2 118.0118.3117.5117.6118.2119.0117.6117.6 117.8117.6119.4
acetonitrileCN116.9116.4115.8116.0118.1119.7117.9116.8118.3117.6115.9119.0
“grease�? 29.8 30.231.3   30.9   
pyrroleCH(2,5)117.9117.8117.6117.8118.3119.1117.3118.0 118.0117.7119.6
propyleneCH2115.7115.7115.9115.9116.0 116.1115.7 116.0115.9116.4
BHACH(3,5) 110.9110.7111.0111.2111.3 109.8110.9 111.0110.8112.9
furanCH(3,4) 109.9109.6109.6109.7110.3110.2109.6109.9 110.2109.6111.1
pyrroleCH(3,4)108.0108.0108.2108.2108.1107.8107.1107.7 108.0108.0108.9
carbon tetrachlorideCCl496.596.396.696.497.296.795.496.9 96.796.497.7
chloroformCH 78.077.477.977.879.4 79.279.279.279.277.778.8
diglymeCH2 72.371.972.472.472.971.671.372.772.672.672.171.3
1,2-dimethoxyethaneCH2 72.271.872.372.272.771.571.272.672.572.571.872.9
diglymeCH2 70.770.570.970.971.370.169.571.271.071.070.673.1
18-crown-6CH2 70.570.670.970.671.570.169.971.3 71.370.670.8
tert-butanol(CH3)3C 69.169.268.168.269.470.466.967.568.768.168.272.4
carbonateCH2 68.868.668.268.369.468.867.968.6 68.868.270.7
tetrahydrofuranCH2(2,5)68.268.067.867.868.868.767.068.068.368.167.669.5
1,4-dioxaneCH267.567.167.267.268.167.266.467.767.767.667.068.5
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
diethyl etherCH2 66.165.965.965.966.966.462.166.166.366.165.867.6
allyl acetateCH2 65.465.364.964.966.166.564.365.3 65.364.967.6
2-propanolCH64.764.564.164.264.764.964.966.164.363.964.266.7
ethylene glycolCH264.163.864.364.364.363.262.864.464.264.364.064.9
nitromethaneCH3 63.062.561.161.263.163.263.362.563.763.261.763.2
ethyl acetateCH2 60.660.560.160.261.562.359.760.361.060.660.162.7
1,2-dimethoxyethaneCH359.059.158.658.759.158.758.058.758.958.558.359.5
diglymeCH359.059.058.658.759.158.758.058.758.958.858.459.4
ethanolCH2 58.658.357.857.958.358.156.157.658.057.757.659.7
BHACH3O 55.955.755.055.356.0 54.955.4 55.555.157.6
dimethyl carbonateCH3 55.154.954.154.355.355.854.654.6 55.054.256.2
dichloromethaneCH254.253.553.553.554.8 54.854.755.355.053.554.5
dimethyl malonateCH3 52.852.651.851.952.853.752.152.1 52.551.954.0
methanolCH3 50.550.449.950.049.949.548.649.649.949.849.750.7
pyrrolidineCH2(2,5)47.046.947.146.947.246.846.545.8  46.847.4
triethylamineCH246.846.346.846.847.047.245.747.247.147.146.448.5
1,2-dichloroethaneCH244.443.543.443.645.1 45.044.645.545.343.645.3
cyclohexanoneCH2(2,6) 42.342.041.841.842.642.041.342.2 42.241.843.2
dimethyl malonateCH2 41.541.140.941.041.642.140.741.2 41.440.942.1
dimethyl sulfoxideCH341.340.840.440.040.539.440.541.241.341.240.340.1
dimethylacetamideNCH3 38.238.137.037.038.438.837.437.638.337.937.139.1
ethyl methyl ketoneCH2CH3 37.036.936.336.437.337.335.836.637.136.836.438.2
HMPACH3 37.036.936.836.937.036.536.436.937.137.036.637.2
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
dimethylformamideCH3 36.636.535.235.336.937.535.735.736.636.235.537.8
dimethylacetamideNCH3 35.235.334.634.735.535.034.434.635.234.934.636.3
BHA(CH3)3C 34.934.734.734.735.8 34.835.5 35.534.636.1
n-pentaneCH2(3)34.634.234.534.535.3 33.534.934.934.834.335.8
BHT(CH3)3C 34.634.334.434.435.4 34.334.935.135.034.135.7
n-hexaneCH2(3,4) 32.031.632.132.032.7 31.032.332.432.331.833.2
tert-butanol(CH3)3C 31.531.330.530.530.930.330.430.630.730.731.131.1
dimethylformamideCH3 31.431.530.630.731.632.030.730.731.331.030.731.0
acetoneCH331.030.930.030.130.730.930.630.230.930.630.1215.0
BHT(CH3)3C 30.530.331.431.331.2 31.331.631.531.630.231.0
BHA(CH3)3C 30.430.330.330.430.8 30.330.7 30.630.230.8
H greaseCH230.129.730.330.2   30.5  30.1 
pump oilCH230.129.830.330.231.4 29.330.6 30.430.131.9
ethyl methyl ketoneCH3CO 29.629.528.728.629.429.529.328.929.629.328.829.6
cyclohexanoneCH2(3,5) 27.527.027.127.028.227.526.527.7 27.727.028.6
cyclohexaneCH2 27.426.927.327.228.0 26.327.627.627.527.028.3
tetrahydrofuranCH2(3,4)26.025.625.825.726.525.725.126.226.326.225.726.7
pyrrolidineCH2(3,4)25.825.625.825.726.325.925.326.2  25.625.7
2-propanolCH325.425.125.225.225.324.425.425.725.625.725.125.2
cyclohexanoneCH2(4) 25.425.025.225.025.924.824.325.8 25.625.126.0
n-hexaneCH2(2,5) 23.122.723.123.023.7 22.123.323.423.322.924.1
n-pentaneCH2(2,4)22.822.422.822.723.4 21.723.023.123.022.523.8
dimethylacetamideCH321.621.521.121.221.321.121.321.221.821.521.021.4
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3
tolueneCH321.521.521.421.121.5 21.021.321.521.521.221.6
BHTCH3Ar 21.321.221.421.421.4 21.021.221.221.321.121.3
ethyl acetateCH3CO 21.221.020.520.620.921.220.720.521.220.820.521.2
allyl acetateCH3 21.121.020.220.420.721.020.520.5 20.720.421.1
acetic acidCH320.920.820.320.420.621.021.020.120.720.520.420.9
propyleneCH319.519.519.319.419.5 19.219.3 19.419.319.6
ethanolCH3 18.718.418.818.718.417.518.518.918.818.918.618.1
hexamethylbenzeneCH3 16.917.016.817.016.9 16.616.7 16.916.717.0
propaneCH316.616.616.716.716.8 16.316.6 16.716.616.9
propaneCH216.616.416.616.617.2 15.716.8 16.816.517.5
diethyl etherCH315.415.215.515.515.514.815.115.515.615.815.415.3
ethyl acetateCH3 14.414.214.214.214.513.914.414.414.514.514.114.4
n-hexaneCH3 14.314.114.314.314.5 13.914.214.414.314.214.6
n-pentaneCH314.214.114.314.314.4 13.314.214.414.314.114.5
triethylamineCH312.111.612.412.411.19.111.712.512.412.511.99.5
ethyl methyl ketoneCH2CH3 7.97.97.97.98.17.97.67.98.18.07.88.3
ethaneCH3 6.96.96.97.07.0 6.66.8 6.96.97.0
acetonitrileCH32.01.90.00.20.91.51.00.51.81.10.61.0
hexamethyldisiloxaneCH3 2.02.02.02.12.02.32.01.8 2.01.92.1
silicone greaseCH31.21.01.41.42.1  1.2 1.41.12.9
methaneCH4-4.3-4.6-4.3-4.3-4.9 -4.0-4.9 -5.3-4.3-5.9
Name CD2Cl2CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6THF‑d8CD3CNacetone‑d6C6D5ClTFE‑d3