午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

ChemicalBook
English   Japanese   Germany   Korea

78-09-1

原碳酸四乙酯(78-09-1)質(zhì)譜(MS)

產(chǎn)品名稱:原碳酸四乙酯

CAS:78-09-1

分子式:C9H20O4

分子量: 192.25

InChI:InChI=1S/C9H20O4/c1-5-10-9(11-6-2,12-7-3)13-8-4/h5-8H2,1-4H3

InChIKey: CWLNAJYDRSIKJS-UHFFFAOYSA-N

Smiles:C(OCC)(OCC)(OCC)OCC

  • 圖譜
    Mass 

    MS-NW-8990          
tetraethyl orthocarbonate
C9H20O4             (Mass of molecular ion:    192)


       Source Temperature: 250 °C
   Sample Temperature: 140 °C
   Reservoir, 75 eV


          19.0       1.8
      27.0       5.6
      28.0       2.3
      29.0      23.5
      31.0       8.8
      43.0       2.2
      45.0      16.7
      46.0       1.3
      47.0       9.7
      63.0      91.9
      64.0       1.2
      75.0       2.2
      91.0      70.3
      92.0       2.5
     102.0       1.8
     119.0      39.4
     120.0       2.3
     147.0     100.0
     148.0       8.0

parameter in CDCl3

  • 圖譜

    1H NMR 300 MHz
    C9 H20 O4 0.04 ml : 0.5 ml CDCl3
    tetraethyl orthocarbonate
    ChemicalStructure 
        Parameter     ppm  Hz
    
      D(A)         3.582
      D(B)         1.220
       J(A,B)          7.1
  

         Hz     ppm     Int.


       1085.31   3.618    161
   1078.22   3.594    490
   1071.10   3.570    500
   1064.01   3.547    170
    373.06   1.244    507
    365.97   1.220   1000
    358.87   1.196    485

in CDCl3

  • 圖譜

liquid film

  • 圖譜

4880 A,200 M,liquid

  • 圖譜

×