National Dyechem Industries, Mumbai

Direct Blue 71

• Category :

  Dyestuffs and Pigments

• Synonyms :

  C.I. Direct Blue 71;C.I. 34140;Direct Blue 71;direct blue 71 (C.I. 34140);tetrasodium 3-[(E)-{4-[(E)-{4-[2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;tetrasodium 3-[(E)-{4-[(E)-{4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;Direct blue 71(C.I.34140);

• CAS NO :

  4399-55-7

• EC NO :

  224-531-4

• Molecular Formula :

  C₄₀H₂₃N₇Na₄O₁₃S₄

• Molecular Weight :

  1029.8688

• Main Specifications :

• InChI :

  InChI=1/C40H27N7O13S4.4Na/c41-22-8-10-25-21(16-22)17-38(64(58,59)60)39(40(25)48)47-46-35-15-14-34(28-11-9-24(20-30(28)35)61(49,50)51)45-44-33-13-12-32(26-4-1-2-5-27(26)33)43-42-23-18-31-29(37(19-23)63(55,56)57)6-3-7-36(31)62(52,53)54;;;;/h1-20,46H,41H2,(H,49,50,51)(H,52,53,54)(H,55,56,57)(H,58,59,60);;;;/q;4*+1/p-4/b43-42+,45-44+,47-39-;;;;

• Molecular Structure :