CAS NO:

EC NO:

Molecular Formula:

Molecular Weight:

Synonyms:

Molecular Structure:

CAS NO:5001-72-9

EC NO:225-669-8

Molecular Formula:C₃₂H₂₁N₅Na₂O₈S₂

Molecular Weight:713.6474

Synonyms:;C.I.Direct Red 31;Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate);Direct Pink 5B;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2);2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-;EINECS 225-669-8;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(phenylazo)-, disodium salt;disodium (3E,3'E)-7,7'-iminobis[4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate];

Molecular Structure:

CAS NO:3626-36-6

EC NO:222-838-8

Molecular Formula:C₃₃H₂₂N₆Na₂O₉S₂

Molecular Weight:756.6721

Synonyms:C.I. 29150;C.I. Direct Orange 26;C.I. Direct Orange 26 (VAN);C.I. Direct Orange 26 disodium salt;C.I. Direct Orange 26, disodium salt (8CI);DIRECT ORANG 26;disodium (3E)-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate;

Molecular Structure:

CAS NO:3441-14-3

EC NO:222-348-4

Molecular Formula:C₃₅H₂₇N₇O₁₀S₂

Molecular Weight:769.7598

Synonyms:;C.I. 29160;C.I. Direct Red 23 (VAN);C.I. Direct Red 23, disodium salt;C.I. Direct Red 23;C.I. Direct Red 23, disodium salt;Direct Red 23;Scarlet 4BS;disodium 4-oxo-3-(2-{4-[(2-oxoethyl)amino]phenyl}hydrazinylidene)-6-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonate;(3E)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid;Direct Scarlet 4BS;

Molecular Structure:

CAS NO:3441-14-3

EC NO:222-348-4

Molecular Formula:C₃₅H₂₇N₇O₁₀S₂

Molecular Weight:769.7598

Synonyms:;C.I. 29160;C.I. Direct Red 23 (VAN);C.I. Direct Red 23, disodium salt;C.I. Direct Red 23;C.I. Direct Red 23, disodium salt;Direct Red 23;Scarlet 4BS;disodium 4-oxo-3-(2-{4-[(2-oxoethyl)amino]phenyl}hydrazinylidene)-6-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonate;(3E)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid;Direct Scarlet 4BS;

Molecular Structure:

CAS NO:3441-14-3

EC NO:222-348-4

Molecular Formula:C₃₅H₂₇N₇O₁₀S₂

Molecular Weight:769.7598

Synonyms:;C.I. 29160;C.I. Direct Red 23 (VAN);C.I. Direct Red 23, disodium salt;C.I. Direct Red 23;C.I. Direct Red 23, disodium salt;Direct Red 23;Scarlet 4BS;disodium 4-oxo-3-(2-{4-[(2-oxoethyl)amino]phenyl}hydrazinylidene)-6-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonate;(3E)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid;Direct Scarlet 4BS;

Molecular Structure: