天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook
English   Japanese   Germany   Korea

109-87-5

甲縮醛(109-87-5)紅外圖譜(IR1)

產(chǎn)品名稱:甲縮醛

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

  • 圖譜
    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

  • 圖譜

    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

  • 圖譜

    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

  • 圖譜

liquid film

  • 圖譜

4880 A,200 M,liquid

  • 圖譜

×