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 THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
residual solvent67.277.2137.5128.149.0 39.553.8118.3206.3134.2126.3
25.3 128.9     1.329.8 61.5
  128.0         
  125.1         
  20.4         
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   
cyclohexanoneCO 208.8212.6208.6209.1214.7221.2210.6211.8 210.4209.3221.3
ethyl methyl ketoneCO 207.1209.6206.3206.6212.2218.4208.7209.6209.9208.3206.9218.3
acetoneCO204.2207.1204.0204.4209.7215.9206.3206.8207.4205.9204.832.4
carbon disulfideCS2193.4192.8192.7192.7193.8197.3192.6193.0 193.6192.5196.3
benzaldehydeHCO192.0192.7191.1191.4194.1191.7193.1192.6 193.0191.2197.6
acetic acidCO171.7176.0175.3175.8175.1177.2171.9175.9173.2172.3175.7178.0
ethyl acetateCO 170.3171.4170.0170.4172.9175.3170.3171.2171.7171.0170.2175.6
allyl acetateCO170.1170.8169.4169.7172.4174.8170.0170.8 170.6169.6176.0
dimethylacetamideCO 169.8171.1169.7170.0173.3174.6169.5171.1171.3170.6169.8175.7
dimethyl malonateCO2167.1167.2166.5166.7168.7170.1166.9167.3 167.6166.5170.9
dimethylformamideCH162.0162.6161.9162.1164.7165.5162.3162.6163.3162.8162.0166.0
dimethyl carbonateCO156.9156.5156.6156.7157.9164.0155.8156.7 157.0156.4159.0
carbonateCO155.4154.9155.2155.2156.3157.8154.2155.2 155.5154.9157.4
BHAC(1) 154.1152.6153.5153.6154.3 152.5153.1 154.0153.2153.7
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
BHTC(1) 152.5151.6152.1152.1152.9 151.5151.9152.4152.5151.7153.5
pyridineCH(2,6)150.6149.9150.3150.3150.1149.2149.6150.3150.8150.7149.9149.8
BHAC(2,6) 148.6147.9148.1148.1149.0 147.4148.1 148.5147.9150.5
furanCH(2,5) 143.3142.7142.7142.7143.7143.6142.8143.0 143.5142.5144.2
BHAC(4) 140.1137.4137.3137.5141.4 141.2137.8 140.3137.3140.2
tolueneC(1)138.2137.9137.8137.9138.9 137.4138.4138.9138.5137.7139.9
BHTC(2,6) 137.9135.9136.1136.1139.1 139.1136.3138.1138.2135.9138.6
benzaldehydeC(1) 137.8136.6137.1137.1138.0136.1136.2137.0 137.7136.8137.8
pyridineCH(4)136.0136.0135.2135.3138.4138.3136.1136.2136.9136.6135.3139.6
imidazoleCH(2)135.7135.4135.6135.8136.3136.7135.2135.8 135.9135.5136.6
benzaldehydeC(4) 134.7134.6133.9134.0135.6134.7134.5134.8 135.1134.0137.2
propyleneCH134.0133.9133.6133.7134.6 133.6134.2 134.3133.6136.0
allyl acetateCHCH2 133.9132.3133.0132.9133.7132.5132.7132.9 133.8132.7133.3
carbonateCHCH2 133.1131.6132.3132.2133.3132.8132.2132.2 133.2131.9132.7
hexamethylbenzeneC131.9132.2131.7131.8132.5 131.1132.1 132.2131.5134.0
benzaldehydeCH(2,6) 130.0129.9129.6129.7130.6130.1129.5130.0 130.2129.5131.8
benzaldehydeCH(3,5) 129.6129.2128.7129.0130.1129.5129.1129.4 129.9128.9130.8
tolueneCH(2,6)129.5129.1129.3129.3129.9 128.9129.4129.9129.8129.1130.6
benzeneCH128.8128.4128.6128.6129.3 128.3128.7129.3129.2128.4129.8
tolueneCH(3,5)128.7128.3128.5128.6129.2 128.2128.5129.2129.0128.3129.8
BHTC(4) 128.6128.3128.4128.5129.5 128.0128.7129.6129.1128.3130.6
tolueneCH(4)125.8125.3125.7125.7126.3 125.3125.6126.3126.1125.4126.8
BHTCH(3,5) 125.7125.6125.8125.8126.1 124.9125.8126.4126.0125.6127.1
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
carbon dioxideCO2125.7125.0124.9124.8126.3 124.2125.3 125.8126.1126.9
pyridineCH(3,5)124.1123.8123.5123.6125.5125.1123.8124.1127.8124.6123.5126.3
ethyleneCH2123.1123.1122.9123.0123.5 123.5123.2 123.5123.0124.1
imidazoleCH(4,5) 122.2122.0122.1122.2122.6122.4121.6122.2 122.3122.0122.9
pyrroleCH(2,5)118.0117.8117.6117.8118.3119.1117.3117.9 118.0117.7119.6
carbonateCHCH2 117.7119.0118.0118.2118.7118.8118.3118.8 118.5118.2120.2
allyl acetateCHCH2 117.6118.3117.5117.6118.2119.0117.6118.0 117.8117.6119.4
acetonitrileCN116.8116.4115.8116.0118.1119.7117.9116.9118.3117.6115.9119.0
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)107.7108.0108.2108.2108.1107.8107.1108.0 108.0108.0108.9
carbon tetrachlorideCCl496.996.396.696.497.296.795.496.5 96.796.497.7
chloroformCH 79.277.477.977.879.4 79.278.079.279.277.778.8
diglymeCH2 72.771.972.472.472.971.671.372.372.672.672.171.3
1,2-dimethoxyethaneCH2 72.671.872.372.272.771.571.272.272.572.571.872.9
18-crown-6CH2 71.370.670.970.671.570.169.970.5 71.370.670.8
diglymeCH2 71.270.570.970.971.370.169.570.771.071.070.673.1
carbonateCH2 68.668.668.268.369.468.867.968.8 68.868.270.7
tetrahydrofuranCH2(2,5)68.068.067.867.868.868.767.068.268.368.167.669.5
1,4-dioxaneCH267.767.167.267.268.167.266.467.567.767.667.068.5
tert-butanol(CH3)3C 67.569.268.168.269.470.466.969.168.768.168.272.4
diethyl etherCH2 66.165.965.965.966.966.462.166.166.366.165.867.6
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
2-propanolCH66.164.564.164.264.764.964.964.764.363.964.266.7
allyl acetateCH2 65.365.364.964.966.166.564.365.4 65.364.967.6
ethylene glycolCH264.463.864.364.364.363.262.864.164.264.364.064.9
nitromethaneCH3 62.562.561.161.263.163.263.363.063.763.261.763.2
ethyl acetateCH2 60.360.560.160.261.562.359.760.661.060.660.162.7
diglymeCH358.759.058.658.759.158.758.059.058.958.858.459.4
1,2-dimethoxyethaneCH358.759.158.658.759.158.758.059.058.958.558.359.5
ethanolCH2 57.658.357.857.958.358.156.158.658.057.757.659.7
BHACH3O 55.455.755.055.356.0 54.955.9 55.555.157.6
dichloromethaneCH254.753.553.553.554.8 54.854.255.355.053.554.5
dimethyl carbonateCH3 54.654.954.154.355.355.854.655.1 55.054.256.2
dimethyl malonateCH3 52.152.651.851.952.853.752.152.8 52.551.954.0
“grease�? 29.8 30.231.3   30.9   
methanolCH3 49.650.449.950.049.949.548.650.549.949.849.750.7
triethylamineCH247.246.346.846.847.047.245.746.847.147.146.448.5
pyrrolidineCH2(2,5)45.846.947.146.947.246.846.547.0  46.847.4
1,2-dichloroethaneCH244.643.543.443.645.1 45.044.445.545.343.645.3
cyclohexanoneCH2(2,6) 42.242.041.841.842.642.041.342.3 42.241.843.2
dimethyl sulfoxideCH341.240.840.440.040.539.440.541.341.341.240.340.1
dimethyl malonateCH2 41.241.140.941.041.642.140.741.5 41.440.942.1
dimethylacetamideNCH3 37.638.137.037.038.438.837.438.238.337.937.139.1
HMPACH3 36.936.936.836.937.036.536.437.037.137.036.637.2
ethyl methyl ketoneCH2CH3 36.636.936.336.437.337.335.837.037.136.836.438.2
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
dimethylformamideCH3 35.736.535.235.336.937.535.736.636.636.235.537.8
BHA(CH3)3C 35.534.734.734.735.8 34.834.9 35.534.636.1
BHT(CH3)3C 34.934.334.434.435.4 34.334.635.135.034.135.7
n-pentaneCH2(3)34.934.234.534.535.3 33.534.634.934.834.335.8
dimethylacetamideNCH3 34.635.334.634.735.535.034.435.235.234.934.636.3
n-hexaneCH2(3,4) 32.331.632.132.032.7 31.032.032.432.331.833.2
BHT(CH3)3C 31.630.331.431.331.2 31.330.531.531.630.231.0
dimethylformamideCH3 30.731.530.630.731.632.030.731.431.331.030.731.0
BHA(CH3)3C 30.730.330.330.430.8 30.330.4 30.630.230.8
pump oilCH230.629.830.330.231.4 29.330.1 30.430.131.9
tert-butanol(CH3)3C 30.631.330.530.530.930.330.431.530.730.731.131.1
H greaseCH230.529.730.330.2   30.1  30.1 
acetoneCH330.230.930.030.130.730.930.631.030.930.630.1215.0
ethyl methyl ketoneCH3CO 28.929.528.728.629.429.529.329.629.629.328.829.6
cyclohexanoneCH2(3,5) 27.727.027.127.028.227.526.527.5 27.727.028.6
cyclohexaneCH2 27.626.927.327.228.0 26.327.427.627.527.028.3
tetrahydrofuranCH2(3,4)26.225.625.825.726.525.725.126.026.326.225.726.7
pyrrolidineCH2(3,4)26.225.625.825.726.325.925.325.8  25.625.7
cyclohexanoneCH2(4) 25.825.025.225.025.924.824.325.4 25.625.126.0
2-propanolCH325.725.125.225.225.324.425.425.425.625.725.125.2
n-hexaneCH2(2,5) 23.322.723.123.023.7 22.123.123.423.322.924.1
n-pentaneCH2(2,4)23.022.422.822.723.4 21.722.823.123.022.523.8
tolueneCH321.321.521.421.121.5 21.021.521.521.521.221.6
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3
BHTCH3Ar 21.221.221.421.421.4 21.021.321.221.321.121.3
dimethylacetamideCH321.221.521.121.221.321.121.321.621.821.521.021.4
allyl acetateCH3 20.521.020.220.420.721.020.521.1 20.720.421.1
ethyl acetateCH3CO 20.521.020.520.620.921.220.721.221.220.820.521.2
acetic acidCH320.120.820.320.420.621.021.020.920.720.520.420.9
propyleneCH319.319.519.319.419.5 19.219.5 19.419.319.6
ethanolCH3 18.918.418.818.718.417.518.518.718.818.918.618.1
propaneCH216.816.416.616.617.2 15.716.6 16.816.517.5
hexamethylbenzeneCH3 16.717.016.817.016.9 16.616.9 16.916.717.0
propaneCH316.616.616.716.716.8 16.316.6 16.716.616.9
diethyl etherCH315.515.215.515.515.514.815.115.415.615.815.415.3
ethyl acetateCH3 14.414.214.214.214.513.914.414.414.514.514.114.4
n-hexaneCH3 14.214.114.314.314.5 13.914.314.414.314.214.6
n-pentaneCH314.214.114.314.314.4 13.314.214.414.314.114.5
triethylamineCH312.511.612.412.411.19.111.712.112.412.511.99.5
ethyl methyl ketoneCH2CH3 7.97.97.97.98.17.97.67.98.18.07.88.3
ethaneCH3 6.86.96.97.07.0 6.66.9 6.96.97.0
hexamethyldisiloxaneCH3 1.82.02.02.12.02.32.02.0 2.01.92.1
silicone greaseCH31.21.01.41.42.1  1.2 1.41.12.9
acetonitrileCH30.51.90.00.20.91.51.02.01.81.10.61.0
methaneCH4-4.9-4.6-4.3-4.3-4.9 -4.0-4.3 -5.3-4.3-5.9
Name THF‑d8CDCl3toluene‑d8C6D6CD3ODD2ODMSO‑d6CD2Cl2CD3CNacetone‑d6C6D5ClTFE‑d3