Colour Index Database

Colour Index

  • Name   CAS No.   C.I. No.
Name: C.I. Direct Red 13 (7CI)
CAS: 1937-35-5
C.I. No.: C.I. 22155
Synonyms C.I. 22155; C.I. Direct Red 13; C.I. Direct Red 13 (7CI); C.I. Direct Red 13, disodium salt (8CI)disodium 4-amino-3-[(E)-(4'-{2-[(2E)-2-imino-8-oxo-6-sulfonato-2,8-dihydronaphthalen-1-yl]hydrazino}biphenyl-4-yl)diazenyl]naphthalene-1-sulfonate; Disodium 4-Amino-3-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonatonaphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Naphthalene-1-Sulphonate
Molecular Formula C32H22N6Na2O7S2
Molecular Weight 712.6626
InChI InChI=1/C32H24N6O7S2.2Na/c33-26-14-9-20-15-23(46(40,41)42)16-28(39)30(20)32(26)38-36-22-12-7-19(8-13-22)18-5-10-21(11-6-18)35-37-27-17-29(47(43,44)45)24-3-1-2-4-25(24)31(27)34;;/h1-17,33,36,38H,34H2,(H,40,41,42)(H,43,44,45);;/q;2*+1/p-2/b33-26+,37-35+;;
CAS Registry Number 1937-35-5
EINECS 217-709-8
Molecular Structure 1937-35-5 Direct Red  13
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