17372-87-1

EOSIN(17372-87-1) ¹H NMR

Product NameEOSIN

Molecular FormulaC20H6Br4Na2O5

Molecular Weight691.85418

InChIInChI=1S/C20H8Br4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2

InChIKey LSMXXHPAEZLILP-UHFFFAOYSA-L

SmilesC12(OC(=O)C3C=CC=CC1=3)C1C=C(C([O-])=C(Br)C=1OC1C(Br)=C([O-])C(Br)=CC2=1)Br.[Na+].[Na+]

Request For Quotation

400 MHz in CDCl3

EOSIN(17372-87-1) <sup>1</sup>H NMR

¹H NMR	399.65 MHz
C₂₀ H₆ Br₄ Na₂ O₅	0.037 g : 0.5 ml D₂O
eosine yellowish

    Assign.     Shift(ppm)

      A             7.80
      B             7.64
      C             7.58
      D             7.47
      E             7.14

     Hz     ppm     Int.

   3123.29   7.816     95
   3121.95   7.812    125
   3119.26   7.805     34
   3115.60   7.796    125
   3114.26   7.793    156
   3063.84   7.667     50
   3062.87   7.664     66
   3056.52   7.648    109
   3055.30   7.645    138
   3048.95   7.630     75
   3047.73   7.626     93
   3037.96   7.602     72
   3036.87   7.599     93
   3034.30   7.593     32
   3031.98   7.587     31
   3030.64   7.584    109
   3029.30   7.580    134
   3023.19   7.565     50
   3022.95   7.564     50
   3021.85   7.562     60
   2987.18   7.475   1000
   2982.06   7.462     32
   2857.06   7.149    128
   2850.71   7.134    105
   2849.73   7.131    120

KBr disc