BETA-NAPHTHOL VIOLET(7143-21-7) IR1
Product NameBETA-NAPHTHOL VIOLET
CAS7143-21-7
Molecular FormulaC16H12N3NaO9S2
Molecular Weight477.39
InChIInChI=1S/C16H11N3O9S2.2Na/c20-16-14(30(26,27)28)8-9-7-12(29(23,24)25)5-6-13(9)15(16)18-17-10-1-3-11(4-2-10)19(21)22;;/h1-8,20H,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2/b18-17+;;
InChIKey YTTDMCWAOBZSJR-QIKYXUGXSA-L
SmilesC12C=CC(S([O-])(=O)=O)=CC1=CC(S([O-])(=O)=O)=C(O)C=2/N=N/C1C=CC([N+]([O-])=O)=CC=1.[Na+].[Na+]
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C16 H9 N3 Na2 O9 S2 0.041 g : 0.5 ml DMSO-d6 disodium 3-hydroxy-4-(p-nitrophenylazo)-2,7-naphthalenedisulfonate 
Assign. Shift(ppm)
A 15.99 B 8.372 C 8.37 D 8.274 E 7.976 F 7.945 G 7.827
Hz ppm Int.6388.67 15.986 267 6384.03 15.975 72 6383.54 15.973 64 6382.08 15.970 44 6381.59 15.968 40 6380.61 15.966 32 3353.52 8.392 135 3350.83 8.385 845 3348.14 8.378 474 3341.80 8.362 1000 3339.36 8.356 514 3335.45 8.346 52 3334.72 8.345 40 3333.98 8.343 36 3333.50 8.342 32 3306.88 8.275 841 3302.25 8.263 36 3192.38 7.988 849 3185.06 7.970 303 3183.11 7.965 777 3180.18 7.958 143 3176.27 7.948 562 3174.80 7.944 590 3169.92 7.932 32 3133.30 7.841 315 3131.59 7.836 295 3129.39 7.831 56 3128.66 7.829 52 3124.76 7.819 295 3123.29 7.816 295 3120.36 7.808 36
KBr disc
