1-methyl-2,2,3,3-tetrafluoropropyl carbamate(756-48-9) MS
Product Name1-methyl-2,2,3,3-tetrafluoropropyl carbamate
CAS756-48-9
Molecular FormulaC5H7F4NO2
Molecular Weight189.11
-
MassMS-IW-0562 2,2,3,3-tetrafluoro-1-methylpropyl carbamate C5H7F4NO2 (Mass of molecular ion: 189)
Source Temperature: 260 °C Sample Temperature: 130 °C Reservoir, 75 eV
15.0 1.6 16.0 1.2 17.0 2.6 19.0 2.7 27.0 4.8 28.0 1.4 29.0 4.6 33.0 1.5 39.0 1.4 42.0 1.3 43.0 15.9 44.0 61.6 45.0 100.0 46.0 2.6 47.0 2.2 49.0 1.3 51.0 14.0 59.0 4.3 61.0 4.5 62.0 17.9 65.0 2.1 75.0 1.5 77.0 13.2 78.0 1.0 79.0 1.9 82.0 2.1 83.0 1.0 88.0 10.1 89.0 2.7 98.0 1.1 101.0 2.7 106.0 9.6 107.0 2.5 109.0 2.1 126.0 13.9 127.0 1.0 169.0 3.3 190.0 1.0
400 MHz in CDCl3
-
1H NMR 399.65 MHz C5 H7 F4 N O2 0.05 g : 0.5 ml CDCl3 2,2,3,3-tetrafluoro-1-methylpropyl carbamate 
Assign. Shift(ppm)
A 5.886 B 5.221 C 1.401
Hz ppm Int.2410.89 6.033 112 2407.84 6.025 112 2404.17 6.016 117 2401.12 6.009 110 2357.91 5.900 191 2354.86 5.893 194 2351.32 5.884 199 2348.27 5.876 192 2304.81 5.768 112 2301.76 5.760 116 2298.22 5.751 121 2295.17 5.743 118 563.23 1.410 1000 556.52 1.393 967
in CDCl3
KBr disc
nujol mull
