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109-87-5

二甲醇缩甲醛(109-87-5)核磁图(13CNMR)

产品名称:二甲醇缩甲醛

CAS:109-87-5

分子式:C3H8O2

分子量: 76.09

InChI:InChI=1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3

InChIKey: NKDDWNXOKDWJAK-UHFFFAOYSA-N

Smiles:C(OC)OC

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    Mass

    MS-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

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    1H NMR 300 MHz
    C3 H8 O2 5 vol% in TMS
    formaldehyde dimethyl acetal
    ChemicalStructure
        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
    

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    1H NMR 300 MHz
    C3 H8 O2 0.04 ml : 0.5 ml CDCl3
    formaldehyde dimethyl acetal
    ChemicalStructure
        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

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liquid film

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4880 A,200 M,liquid

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