Roha Srl (Italy)

Acid Blue 74

• Category :

  Dyestuffs and Pigments

• Synonyms :

  C.I. 75781;C.I. Acid Blue 74;C.I. Food Blue 1;C.I. Food Blue 1, disodium salt;C.I. Natural Blue 2;Indigotindisulfonate Sodium [USAN];5,5-Indigodisulfonic acid, disodium salt;Acid Blue 74;disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate;disodium 5,5-indigodisulphonate;E 132;Indigo-5,5-disulphonic acid disodium salt;1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-;disodium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate;

• CAS NO :

  860-22-0

• EC NO :

  212-728-8

• Molecular Formula :

  C₁₆H₈N₂Na₂O₈S₂

• Molecular Weight :

  466.3529

• Main Specifications :

• InChI :

  InChI=1/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;

• Molecular Structure :