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:2429-82-5

EC NO:219-391-6

Molecular Formula:C₂₉H₂₁N₅O₇S

Molecular Weight:583.5713

Synonyms:;C.I. 22311;C.I. 22 311;C.I. Direct Brown 2, disodium salt;C.I. Direct Brown 2;Direct Brown 2;5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid, disodium salt;benzoic acid,5-((4'-((7-amiono-1-hydroxy-3-sulfo-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-,disodium salt;diamine brown;diazine brown;diphenyl brown;direct fast brown;DIRECT FAST BROWN M;brown m;chloramine brown m;chrome leather brown m;phenamine brown mb;union brown m;disodium (3E)-3-({4'-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]biphenyl-4-yl}hydrazono)-6-oxocyclohexa-1,4-diene-1-carboxylate;(3Z)-3-({4'-[(2E)-2-(7-amino-1-oxo-3-sulfonaphthalen-2(1H)-ylidene)hydrazino]biphenyl-4-yl}hydrazono)-6-oxocyclohexa-1,4-diene-1-carboxylic acid;Direct Dark Brown M;

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CAS NO:2429-74-5

EC NO:219-385-3

Molecular Formula:C₃₄H₂₇N₆NaO₁₆S₄

Molecular Weight:926.8585

Synonyms:C.I. 24400;C.I. Direct Blue 15;C.I. Direct Blue 15, tetrasodium salt;C.I. Direct Blue 15 (8CI);Direct Blue 15;Direct sky blue;Direct Turquoise Blue 5B;tetrasodium (3E,3'E)-3,3'-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(1E)hydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate);(3Z)-5-amino-3-({4'-[(2E)-2-(8-amino-1-oxo-3,6-disulfonaphthalen-2(1H)-ylidene)hydrazino]-3,3'-dimethoxybiphenyl-4-yl}hydrazono)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid;tetrasodium 3,3'-[(3,3'-dimethoxybiphenyl-4,4'-diyl)dihydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate);tetrasodium (3Z,3'Z)-3,3'-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(1Z)hydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate);sodium (6E)-4-amino-6-(2-{4'-[(2E)-2-(8-amino-1-oxo-3,6-disulfonaphthalen-2(1H)-ylidene)hydrazinyl]-3,3'-dimethoxybiphenyl-4-yl}hydrazinylidene)-5-oxo-7-sulfo-5,6-dihydronaphthalene-2-sulfonate;

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CAS NO:110735-25-6

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Molecular Formula:C₃₄H₂₅N₅Na₂O₁₀S₂

Molecular Weight:773.69

Synonyms:;Direct Copper Blue 2R;Direct Blue 51 (24175)

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CAS NO:1325-37-7

EC NO:215-393-6

Molecular Formula:C₁₆H₁₀N₂Na₂O₇S₂

Molecular Weight:452.3693

Synonyms:;Acid yellow 62(C.I.40000);C.I. 40000;C.I. Direct Yellow 11;C.I. Acid Yellow 62;Sun yellow;Direct Yellow 11;Direct Yellow R;C.I.Direct Yellow 11;disodium 6-hydroxy-5-[(E)-(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate;Acid yellow 62;

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CAS NO:2465-27-2

EC NO:219-567-2

Molecular Formula:C₁₇H₂₂ClN₃

Molecular Weight:303.8297

Synonyms:;C.I. 41000;C.I. Basic Yellow 2;C.I. Basic Yellow 2, monohydrochloride;C.I. Basic Yellow 2, monohydrochloride;Auramine hydrochloride;1,1-bis(p-dimethylaminophenyl)methylenimine hydrochloride;4,4'-bis(dimethylamino)benzhydrylidenimine hydrochloride;4:4'-bis(dimethylamino)benzophenone-imine hydrochloride;4,4'-(Imidocarbonyl)bis(N,N-dimethylaniline) monohydrochloride;adc auramine o;aizen auramine;aizen auramine oh;auramine 0-100;Auramine O, biological stain;auramine a1;auramine chloride;auramine fa;auramine fwa;auramine ii;auramine lake yellow o;auramine n;Auramine O;auramine on;auramine oo;auramine ooo;auramine os;auramine sp;auramine yellow;calcozine yellow ox;Canary Yellow;mitsui auramine o;Pyoctanunum aureum;Pyoktanin Yellow;Basic Flavine O;C.I.Basic Yellow 2;4,4'-carbonimidoylbis(N,N-dimethylaniline) hydrochloride (1:1);

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Synonyms:;Basic Brown 1 (21000);

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