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Tartrazine

Product Name Tartrazine

CAS1934-21-0

MFC16H13N4NaO9S2

MW492.41

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₆ H₉ N₄ Na₃ O₉ S₂	0.039 g : 0.5 ml DMSO-d₆
tartrazine

    Assign.     Shift(ppm)

      A            18.9
      B             7.98
      C             7.73
      D             7.72
      E             7.43

     Hz     ppm     Int.

   7561.75  18.921    480
   7553.50  18.901     31
   7552.40  18.898     25
   7551.58  18.896     24
   3194.99   7.995    688
   3186.47   7.974    865
   3094.09   7.743    793
   3091.07   7.735   1000
   3085.57   7.721    972
   3082.27   7.713    894
   2974.22   7.443    727
   2965.43   7.421    675

KBr disc

nujol mull

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