Sodium 2-diazo-1-naphthol-5-sulfonate(2657-00-3) 1H NMR
Product NameSodium 2-diazo-1-naphthol-5-sulfonate
CAS2657-00-3
Molecular FormulaC10H7N2NaO4S
Molecular Weight274.23
InChIInChI=1S/C10H6N2O4S.Na.H/c11-12-8-5-4-6-7(10(8)13)2-1-3-9(6)17(14,15)16;;/h1-5H,(H,14,15,16);;
InChIKey CKQXEXVYHXGSIR-UHFFFAOYSA-N
SmilesS(C1C=CC=C2C(C(=[N+]=[N-])C=CC=12)=O)(O)(=O)=O.[NaH]
400 MHz in DMSO-d6
90 MHz in D2O
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1H NMR 399.65 MHz C10 H5 N2 Na O4 S 0.040 g : 0.5 ml DMSO-d6 sodium 6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate 
Assign. Shift(ppm)
A 8.18 B 8.150 C 7.627 D 7.442 E 7.339 ASSIGNED BY H-H AND C-H COSY. J(C,E)=9.9HZ
Hz ppm Int.3272.09 8.188 507 3271.64 8.187 505 3264.16 8.168 567 3263.55 8.167 578 3261.72 8.162 645 3260.19 8.158 578 3254.24 8.143 646 3252.72 8.139 549 3059.54 7.656 26 3053.59 7.641 696 3043.82 7.617 836 2982.03 7.462 473 2978.06 7.452 64 2974.24 7.443 797 2966.61 7.424 434 2937.93 7.352 1000 2933.04 7.340 50 2931.82 7.336 47 2928.01 7.327 858
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1H NMR 89.56 MHz C10 H5 N2 Na O4 S 0.042 g : 0.5 ml D2O sodium 6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate Assign. Shift(ppm)
A 8.204 B 8.045 C 7.46 D 7.35 E 7.145 J(D,E)=9.9HZ
Hz ppm Int.739.81 8.261 325 738.50 8.246 411 732.31 8.177 414 731.19 8.165 493 725.63 8.103 314 724.88 8.094 315 724.19 8.087 297 717.56 8.013 414 716.75 8.004 392 674.75 7.535 408 667.00 7.448 555 665.44 7.431 389 665.06 7.426 383 659.13 7.360 286 654.88 7.313 779 642.94 7.179 1000 633.06 7.069 404
in DMSO-d6
KBr disc
