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MassMS-KW-0283 benzophenone dimethyl acetal C15H16O2 (Mass of molecular ion: 228)
Source Temperature: 230 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 2.4 29.0 1.9 31.0 1.8 39.0 1.3 45.0 1.0 50.0 3.6 51.0 14.1 52.0 1.0 59.0 4.3 63.0 1.4 65.0 1.0 74.0 1.8 75.0 1.5 76.0 4.7 77.0 55.7 78.0 4.0 82.5 2.0 91.0 7.3 92.0 1.1 105.0 83.7 106.0 6.5 151.0 28.2 152.0 6.4 153.0 2.5 154.0 2.3 165.0 3.4 181.0 4.1 182.0 20.6 183.0 3.0 197.0 100.0 198.0 15.6 199.0 1.3
400 MHz in CDCl3
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1H NMR 399.65 MHz C15H16O2 0.038 g : 0.5 ml CDCl3 benzophenone dimethyl acetal 
Assign. Shift(ppm)
A 7.498 B 7.279 C 7.208 D 3.121
Hz ppm Int.3003.91 7.514 108 3002.45 7.511 151 3000.49 7.506 44 2996.71 7.496 65 2996.22 7.495 66 2995.49 7.493 143 2994.88 7.492 112 2994.15 7.490 136 2992.19 7.485 32 2919.44 7.303 50 2918.34 7.300 84 2916.75 7.296 34 2911.26 7.283 172 2909.80 7.279 95 2905.03 7.267 46 2903.57 7.263 98 2903.08 7.262 86 2901.49 7.258 24 2888.31 7.225 42 2886.97 7.222 81 2885.63 7.218 51 2881.84 7.209 31 2879.52 7.203 81 2877.32 7.198 25 2873.66 7.189 19 2872.32 7.185 32 2871.10 7.182 18 1247.69 3.121 1000 1175.54 2.941 7
in CDCl3
KBr disk
Nujol
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