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Rhodamine B

Product Name Rhodamine B

CAS81-88-9

MFC28H31ClN2O3

MW479.01

¹³CNMR

Mass

MS-NW-6946          
rhodamine B
C28H31ClN2O3        (Mass of molecular ion:    478)

   Source Temperature: 250 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      18.0       2.1
      27.0       1.6
      29.0       6.5
      36.0       2.4
     113.0       2.5
     140.5       1.7
     141.0       1.4
     141.5       3.4
     142.0       1.3
     148.0       1.0
     148.5       1.3
     149.0       1.7
     155.0       2.7
     155.5       3.0
     156.0       3.9
     162.0       2.2
     162.5       1.2
     163.0       3.7
     163.5       1.0
     169.0       1.0
     170.0       3.1
     176.0       1.4
     177.0       5.1
     177.5       1.4
     178.0       1.2
     184.0      11.3
     184.5       3.4
     185.0       1.7
     191.0       3.7
     191.5       3.4
     192.0       1.7
     199.0       9.1
     199.5       3.4
     200.0       1.3
     206.0       2.4
     213.0       2.3
     214.0       1.1
     221.0       1.5
     224.0       2.3
     225.0       2.0
     226.0       3.9
     227.0       1.4
     238.0       1.0
     239.0       1.2
     240.0       1.8
     241.0       1.0
     242.0       1.0
     251.0       1.4
     252.0       1.0
     253.0       2.5
     254.0       3.2
     255.0       2.6
     267.0       1.3
     268.0       2.3
     269.0       2.7
     270.0       1.7
     280.0       1.6
     281.0       4.2
     282.0      17.2
     283.0       5.5
     284.0       1.4
     294.0       1.0
     295.0       3.3
     296.0       7.0
     297.0       4.3
     298.0       3.7
     299.0       1.1
     309.0      12.4
     310.0       5.0
     311.0       2.8
     312.0       1.4
     321.0       1.0
     323.0       7.3
     324.0       3.8
     325.0       9.4
     326.0      83.0
     327.0      23.1
     328.0       3.8
     337.0       1.1
     339.0       3.8
     340.0       2.6
     341.0       2.8
     342.0       1.7
     353.0      21.2
     354.0       7.2
     355.0       2.8
     367.0       5.5
     368.0       2.8
     369.0      16.4
     370.0       8.6
     371.0       2.1
     383.0       3.0
     384.0       1.0
     395.0       2.8
     396.0       3.6
     397.0      92.0
     398.0     100.0
     399.0      25.5
     400.0       4.1
     441.0       3.7
     442.0       7.9
     443.0       2.9
     444.0       1.0

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₂₈ H₃₁ Cl N₂ O₃	0.031 g : 0.5 ml DMSO-d₆
Rhodamine B

    Assign.     Shift(ppm)

      A             8.238
      B     *1      7.877
      C     *1      7.822
      D             7.471
      E             7.098
      F             7.030
      G             6.976
      J             3.650
      K             1.218

     Hz     ppm     Int.

   3297.12   8.251     81
   3296.20   8.248     86
   3289.34   8.231     95
   3288.27   8.228     96
   3157.65   7.902     31
   3156.43   7.898     36
   3150.18   7.883     87
   3148.80   7.879     92
   3142.85   7.865     70
   3141.33   7.861     68
   3133.24   7.840     63
   3131.87   7.837     71
   3125.61   7.821     84
   3124.24   7.818     92
   3117.98   7.802     38
   3116.76   7.799     37
   2989.96   7.482     87
   2988.89   7.479     94
   2982.48   7.463     86
   2981.57   7.461     86
   2844.39   7.118     87
   2842.10   7.112     93
   2834.93   7.094    157
   2832.64   7.088    175
   2813.42   7.040    345
   2803.96   7.017    219
   2789.15   6.979    269
   2786.87   6.974    260
   1524.05   3.814     69
   1469.57   3.678    177
   1462.71   3.660    416
   1455.54   3.643    424
   1448.52   3.625    181
   1434.78   3.591     40
    493.93   1.236    472
    486.91   1.219   1000
    479.89   1.201    478

in D2O

KBr disc

nujol mull

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Rhodamine B(81-88-9)¹HNMR Atlas of Related Products

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