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556-67-2

Octamethylcyclotetrasiloxane

Product Name Octamethylcyclotetrasiloxane

CAS556-67-2

MFC8H24O4Si4

MW296.62

More

  • 556-67-2_ms
    Mass

    MS-IW-1345          
    octamethylcyclotetrasiloxane
    C8H24O4Si4          (Mass of molecular ion:    296)
    

       Source Temperature: 240 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

         133.0       1.7
         191.0       2.7
         193.0       1.8
         205.0       1.4
         207.0       2.8
         249.0       5.8
         250.0       1.6
         251.0       2.2
         265.0      11.3
         266.0       3.1
         267.0       2.6
         281.0     100.0
         282.0      28.4
         283.0      18.0
         284.0       3.7
         285.0       1.1
    

in CDCl3

parameter in CDCl3

  • 556-67-2_1hnmr_2

  • 556-67-2_1hnmr

    1H NMR 300 MHz
    C8 H24 O4 Si4 0.05 ml : 0.5 ml CDCl3
    octamethylcyclotetrasiloxane
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 0.091 J(A,Si-29) = 3.6 Hz.

         Hz     ppm     Int.
    

         27.30   0.091   1000
    

in CDCl3

  • 556-67-2_13cnmr

CCl4 solution

  • 556-67-2_ir1_2

liquid film

  • 556-67-2_ir2

  • 556-67-2_raman