3,6-BIS(4-BROMO-2-SULFOPHENYLAZO)-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID

产品名称 3,6-BIS(4-BROMO-2-SULFOPHENYLAZO)-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID

CAS号

分子式C22H14Br2N4O14S4

分子量846.43

¹HNMR

IR1

IR2

parameter in DMSO-d6

¹H NMR	300 MHz
C₂₂ H₁₂ Br₂ N₄ Na₂ O₁₄ S₄	0.033 g : 0.5 ml DMSO-d₆
bromosulfonazo III

    Parameter     ppm  Hz

      D(A)         8.048
      D(B)         7.937
      D(C)         7.738
       J(A,B)          0.3
       J(A,C)          8.8
       J(B,C)          2.3
     
      D(D)         7.522
     
      D(E)         3.61

     Hz     ppm     Int.

   2419.02   8.063    210
   2410.23   8.034    254
   2382.30   7.941    234
   2379.99   7.933    251
   2326.72   7.756    149
   2324.45   7.748    139
   2317.93   7.726    124
   2315.66   7.719    115
   2256.58   7.522    500
   1082.99   3.610   1000

KBr disc

nujol mull

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