Sodium 2-naphthol-7-sulfonate(135-55-7) IR1
Product NameSodium 2-naphthol-7-sulfonate
CAS135-55-7
Molecular FormulaC10H9NaO4S
Molecular Weight248.23
InChIInChI=1S/C10H8O4S.Na/c11-9-3-1-7-2-4-10(15(12,13)14)6-8(7)5-9;/h1-6,11H,(H,12,13,14);/q;+1/p-1
InChIKey IVXSQYUPCUOMRV-UHFFFAOYSA-M
SmilesC12C=C(C=CC1=CC=C(S([O-])(=O)=O)C=2)O.[Na+]
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C10 H7 Na O4 S 0.031 g : 0.5 ml DMSO-d6 sodium 7-hydroxy-2-naphthalenesulfonate 
Assign. Shift(ppm)
A 9.88 B 7.948 C 7.75 D 7.74 E 7.507 F 7.194 G 7.132 J(B,E)=1.2HZ J(C,E)=8.4HZ J(D,G)=8.7HZ J(F,G)=2.7HZ
Hz ppm Int.3947.91 9.879 356 3176.42 7.949 1000 3102.87 7.764 649 3094.33 7.743 881 3087.62 7.726 738 3004.91 7.519 566 3003.69 7.516 561 2996.52 7.498 488 2995.15 7.495 475 2876.43 7.198 757 2874.45 7.193 840 2866.21 7.172 34 2865.75 7.171 32 2864.38 7.168 33 2863.16 7.165 36 2855.53 7.146 561 2853.24 7.140 465 2846.83 7.124 506 2844.39 7.118 440
in DMSO-d6
KBr disc
nujol mull
