-
MassMS-NW-0021 formaldehyde dimethyl acetal C3H8O2 (Mass of molecular ion: 76)
Source Temperature: 200 °C Sample Temperature: 65 °C Reservoir, 75 eV
14.0 3.8 15.0 39.9 18.0 1.8 26.0 2.9 27.0 4.8 28.0 1.9 29.0 20.8 31.0 8.3 32.0 1.7 37.0 1.2 38.0 1.5 39.0 3.1 41.0 1.0 42.0 6.3 43.0 100.0 44.0 3.9 45.0 97.4 46.0 2.1 47.0 3.6 57.0 1.0 58.0 38.5 59.0 1.6 75.0 50.6 76.0 1.6
parameter in TMS
parameter in CDCl3
-
1H NMR 300 MHz C3 H8 O2 5 vol% in TMS formaldehyde dimethyl acetal 
Parameter ppm Hz
D(A) 4.44 D(B) 3.20 FRANKISS,S.G. J.PHYS.CHEM. 67, 752 (1963) J(C-13,A):161.8HZ. J(C-13,B):141.5HZ.
Hz ppm Int.1332.00 4.440 1000 960.00 3.200 1000
-
1H NMR 300 MHz C3 H8 O2 0.04 ml : 0.5 ml CDCl3 formaldehyde dimethyl acetal Parameter ppm Hz
D(A) 4.572 D(B) 3.359
Hz ppm Int.1371.60 4.572 333 1007.70 3.359 1000
in CDCl3
liquid film
4880 A,200 M,liquid
更多供应商
