Dibutyl phosphite(1809-19-4) IR2
Product NameDibutyl phosphite
CAS1809-19-4
Molecular FormulaC8H19O3P
Molecular Weight194.21
InChIInChI=1S/C8H19O3P/c1-3-5-7-10-12(9)11-8-6-4-2/h12H,3-8H2,1-2H3
InChIKey NFJPGAKRJKLOJK-UHFFFAOYSA-N
SmilesP(=O)(OCCCC)OCCCC
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MassMS-NW-1153 dibutyl phosphite C8H19O3P (Mass of molecular ion: 194)
Source Temperature: 240 °C Sample Temperature: 170 °C Reservoir, 75 eV
27.0 4.6 28.0 4.7 29.0 10.3 31.0 2.3 39.0 2.8 41.0 13.5 42.0 1.3 43.0 2.1 55.0 4.4 56.0 7.9 57.0 15.4 65.0 3.1 66.0 1.4 73.0 1.4 82.0 1.0 83.0 100.0 95.0 1.7 96.0 2.2 97.0 3.4 109.0 5.8 123.0 1.7 138.0 1.5 139.0 5.0
90 MHz in CDCl3
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1H NMR 89.56 MHz C8 H19 O3 P 0.04 ml : 0.5 ml CDCl3 dibutyl phosphite 
Assign. Shift(ppm)
A 6.623 B 4.075 C 1.67 D 1.43 E 0.95 J(P-31,A)=691.5HZ, J(P-31,B)=8.4HZ
Hz ppm Int.955.40 10.668 289 376.02 4.199 169 369.67 4.128 470 367.53 4.104 207 363.40 4.058 281 361.26 4.034 498 354.91 3.963 266 263.90 2.947 309 159.48 1.781 72 157.98 1.764 124 155.52 1.737 92 151.55 1.693 215 149.33 1.668 143 144.57 1.615 238 144.01 1.608 227 141.87 1.585 131 138.93 1.552 165 137.66 1.538 196 137.03 1.531 176 132.98 1.485 126 131.40 1.468 176 129.65 1.448 194 125.76 1.405 141 124.97 1.396 99 122.83 1.372 167 116.24 1.298 152 115.29 1.288 86 92.36 1.032 234 91.25 1.019 437 90.69 1.013 450 84.82 0.948 1000 83.47 0.933 389 80.38 0.898 80 78.47 0.877 167 77.36 0.864 223 75.54 0.844 116
in CDCl3
CCl4 solution
liquid film
4880 A,200 M,liquid
