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3-hydroxy-7-(2-nitro-4-sulfoanilino)naphthalene-1-sulfonic acid

CAS No. : 89023-46-1 Formula : C16H12N2O9S2 Molecular Weight. : 440.404 Check Encyclopedia

Synonyms : 1-Naphthalenesulfonic acid,3-hydroxy-7-[(2-nitro-4-sulfophenyl)amino];

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Direct Red 81

CAS No. : 83221-50-5 Formula : C29H19N5NaO8S2- Molecular Weight. : 652.61 Check Encyclopedia

Synonyms : disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulfonate; 7-benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid , disodium-salt; 2-Naphthalenesulfonicacid,7-(benzoylamino)-4-hydroxy-3-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt; 7-Benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalin-2-sulfonsaeure, Dinatrium-Salz; C. I. Direct Red 81; Chlorantinlichtrot-5BL;

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Direct Orange S

CAS No. : 3626-36-6 Formula : C33H22N6Na2O9S2 Molecular Weight. : 756.672 Check Encyclopedia

Synonyms : Pyrazol Orange S,SE; Diphenyl Orange SE; Pyrazol Orange SE; Chlorazol Orange R; Multicuer Oranges; Fabramine Oranges; Aizen Fast Oranges; Benzo Orange S; Pamanil Oranges-26;

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5-[(4-methylphenyl)hydrazinylidene]-6-oxonaphthalene-2-sulfonic acid

CAS No. : 6283-28-9 Formula : C17H14N2NaO4S+ Molecular Weight. : 365.359 Check Encyclopedia

Synonyms : (5E)-5-[(4-methylphenyl)hydrazinylidene]-6-oxo-naphthalene-2-sulfonic acid; 6-hydroxy-5-((4-methylphenyl)diazenyl)-2-naphthalenesulfonic acid;

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CROCEIN ORANGE G

CAS No. : 1934-20-9 Formula : C16H11N2NaO4S Molecular Weight. : 350.324 Check Encyclopedia

Synonyms : sodium 6-hydroxy-5-phenylazo-2-naphthalenesulfonate; acid orange 12; 1008orange; PONCEAU 4G; orangern; orangelzs; croceinorange; FDandC Orange Nr.3; PONCEAU 4 GB; acilanorangeg; Sodium 1-Phenylazo-2-hydroxy-6-naphthalenesulfonic acid; 1-phenylazo-2-naphthol-6-sulfonic acid;

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sodium,formaldehyde,6-hydroxynaphthalene-2-sulfonic acid,3-methylphenol,4-methylphenolate

CAS No. : 67786-28-1 Formula : C25H25NaO7S Molecular Weight. : 492.517 Check Encyclopedia

Synonyms : 2-Naphthol-6-sulfonic acid,m-cresol,p-cresol,formaldehyde polymer sodium salt; Formaldehyde,p-cresol,m-cresol,6-hydroxy-2-naphthalenesulfonic acid polymer,sodium salt; 2-Naphthalenesulfonic acid,6-hydroxy-,polymer with formaldehyde,3-methylphenol and 4-methylphenol,sodium salt;

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tetrasodium,2-[(2-hydroxy-5-sulfonatophenyl)hydrazinylidene]-6-[[6-[(2-hydroxy-5-sulfonatophenyl)hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-2-yl]carbamoylamino]-3-oxonaphthalene-1-sulfonate

CAS No. : 2609-99-6 Formula : C33H20N6Na4O17S4 Molecular Weight. : 992.761 Check Encyclopedia

Synonyms :

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sodium,4-[[(Z)-3-hydroxybut-2-enoyl]amino]naphthalene-1-sulfonate

CAS No. : 125078-63-9 Formula : C14H12NNaO5S Molecular Weight. : 329.304 Check Encyclopedia

Synonyms : 1-Naphthalenesulfonic acid,4-((3-hydroxy-1-oxo-2-buten-1-yl)amino)-,sodium salt (1:1); 1-Naphthalenesulfonic acid,4-((3-hydroxy-1-oxo-2-butenyl)amino)-,monosodium salt;

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(3Z)-4-oxo-3-[[4-[(6-sulfonaphthalen-2-yl)carbamoyl]phenyl]hydrazinylidene]naphthalene-1-sulfonic acid

CAS No. : 7355-44-4 Formula : C27H19N3NaO8S2+ Molecular Weight. : 600.575 Check Encyclopedia

Synonyms :

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1-Naphthalenesulfonic acid, 3-[2-[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]diazenyl]-4-hydroxy-, sodium salt

CAS No. : 85721-12-6 Formula : C21H24N3NaO7S2 Molecular Weight. : 517.551 Check Encyclopedia

Synonyms : SODIUM 3-[[5-[(DIETHYLAMINO)SULPHONYL]-2-METHOXYPHENYL]AZO]-4-HYDROXYNAPHTHALENE-1-SULPHONATE; 1-Naphthalenesulfonic acid, 3-[[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]azo]-4-hydroxy-, monosodium salt;

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sodium,7-acetamido-3-[[2-(benzenesulfonylsulfamoyl)phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate

CAS No. : 83027-48-9 Formula : C24H19N4NaO9S3 Molecular Weight. : 626.614 Check Encyclopedia

Synonyms : EINECS 280-151-9;

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2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4- sulfophenyl)diazenyl]-, aluminum salt (1:1)

CAS No. : 68583-95-9 Formula : C18H16AlN2O8S2+++ Molecular Weight. : 479.44 Check Encyclopedia

Synonyms :

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1-AMINO-2-NAPHTHOL-4-SULFONIC ACID

CAS No. : 567-13-5 Formula : C10H9NO4S Molecular Weight. : 239.248 Check Encyclopedia

Synonyms : 1-AMINO-2-NAPHTHOL-4-SULPHONIC ACID; 3-amino-4-hydroxynaphthalene-1-sulfonic acid; 4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID; 1-AMINO-2-HYDROXY-4-SULFONAPHTHALENE; 1-AMINO-2-HYDROXY-4-NAPHTHALENESULFONIC ACID; 3-amino-4-hydroxy-1-naphthalenesulphonic acid; 2-Amino-1-hydroxynaphthalen-4-sulfonsaeure; 1-hydroxy-2-aminonaphthalene-4-sulfonic acid; 2-amino-1-naphthol-4-sulfonic acid; 2-amino-1-hydroxy-4-naphthalenesulfonic acid; 2-HYDROXY-4-SULFO-1-NAPHTHYLAMINE; 4-AMINO-3-NAPHTHOL-1-SULFONIC ACID; 1,2,4-AMINONAPHTHOLSULFONIC ACID; 2-Amino-1-naphthol-4-sulfonsaeure;

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4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid

CAS No. : 1787-54-8 Formula : C10H7NNaO5S+ Molecular Weight. : 276.221 Check Encyclopedia

Synonyms : 2-Nitroso-1-naphthol-4-sulfonsaeure Natriumsalz; Nitroso Neville Winther's acid; 4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid sodium salt;

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7-[(4-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulfonic acid

CAS No. : 119-77-7 Formula : C17H14N2O5S Molecular Weight. : 358.368 Check Encyclopedia

Synonyms : 1-hydroxy-6-(4'-aminobenzoyl)-aminonaphthalene-3-sulphonic acid; p-aminobenzoyl-H-acid; 2-Naphthalenesulfonic acid,7-(p-aminobenzamido)-4-hydroxy; p-Aminobenzoyl J Acid; 2-Naphthalenesulfonic acid,7-[(4-aminobenzoyl)amino]-4-hydroxy; 7-(p-Aminobenzamido)-4-hydroxy-2-naphthalenesulfonic acid; 7-(4-amino-benzoylamino)-4-hydroxy-naphthalene-2-sulfonic acid; p-Aminobenzoyl I Acid; PAB J Acid; 6-(4'-aminobenzoyl)amino-3-sulfonic acid-1-naphthol; 6-(4-Amino-benzamino)-naphthol-(1)-sulfonsaeure-(3); 7-(4-Amino-benzoylamino)-4-hydroxy-naphthalin-2-sulfonsaeure; 7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid;

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(3E)-7-amino-3-[[2-methoxy-4-[(3-sulfophenyl)diazenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonic acid,2-[bis(2-hydroxyethyl)amino]ethanol

CAS No. : 72208-31-2 Formula : C35H49N7O14S2 Molecular Weight. : 855.932 Check Encyclopedia

Synonyms : 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-(2-(2-methoxy-4-(2-(3-sulfophenyl)diazenyl)phenyl)diazenyl)-,compd. with 2,2',2''-nitrilotris(ethanol) (1:2); 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-((2-methoxy-4-((3-sulfophenyl)azo)phenyl)azo)-,compd. with 2,2',2''-nitrilotris(ethanol) (1:2); 7-Amino-4-hydroxy-3-((2-methoxy-4-((m-sulfophenyl)azo)phenyl)azo)-2-naphthalenesulfonic acid,compd. with 2,2',2''-nitrilotriethanol (1:2);

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5-[2-(4-aminophenyl)hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonic acid

CAS No. : 59836-94-1 Formula : C16H14N4O4S Molecular Weight. : 358.372 Check Encyclopedia

Synonyms : 2-Naphthalenesulfonic acid,6-amino-5-[(4-aminophenyl)azo]-4-hydroxy-(9CI); 6-Amino-5-(4-aminophenylazo)-4-hydroxy-2-naphthalenesulfonic acid; 6-Amino-5-((4-aminophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid; 2-Naphthalenesulfonicacid,6-amino-5-[2-(4-aminophenyl)diazenyl]-4-hydroxy; 1-Naphthol-3-sulfonicacid,7-amino-8-(p-aminophenylazo)-(6CI); EINECS 261-949-6;

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Naphthylamine Brown F

CAS No. : 6409-10-5 Formula : C20H14N2NaO4S+ Molecular Weight. : 401.391 Check Encyclopedia

Synonyms : NAPHTHALENE BROWN; N-2-NAPHTHYLACETAMIDE; B-ACETAMIDONAPHTHALENE; NAPHTHYLAMINE BROWN; 1-Naphthalenesulfonic acid,4-(4-hydroxy-1-naphthalenyl)azo-,monosodium salt;

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sodium,6-imino-4-oxo-5-[2-(2-phenoxysulfonylphenyl)hydrazinyl]naphthalene-2-sulfonate

CAS No. : 70209-95-9 Formula : C22H16N3NaO7S2 Molecular Weight. : 521.498 Check Encyclopedia

Synonyms : 2-Naphthalenesulfonic acid,6-amino-4-hydroxy-5-((2-(phenoxysulfonyl)phenyl)azo)-,monosodium salt; SODIUM 6-AMINO-4-HYDROXY-5-[[2-(PHENOXYSULFONYL)PHENYL]AZO]NAPHTHALENE-2-SULFONATE; 2-Naphthalenesulfonic acid,6-amino-4-hydroxy-5-(2-(2-(phenoxysulfonyl)phenyl)diazenyl)-,sodium salt (1:1); Sodium 6-amino-4-hydroxy-5-((2-(phenoxysulphonyl)phenyl)azo)naphthalene-2-sulphonate; EINECS 274-392-9;

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disodium,(3E)-7-acetamido-4-oxo-3-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]naphthalene-2-sulfonate

CAS No. : 85536-87-4 Formula : C20H17N3Na2O11S3 Molecular Weight. : 617.537 Check Encyclopedia

Synonyms : 2-Naphthalenesulfonic acid,7-(acetylamino)-4-hydroxy-3-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-,sodium salt; EINECS 287-574-8; 2-Naphthalenesulfonic acid,7-(acetylamino)-4-hydroxy-3-(2-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl)-,sodium salt (1:?); 7-Acetamido-4-hydroxy-3-((4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2-sulphonic acid,sodium salt;

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3-hydroxy-7-(2-nitro-4-sulfoanilino)naphthalene-1-sulfonic acid

Direct Red 81

Direct Orange S

5-[(4-methylphenyl)hydrazinylidene]-6-oxonaphthalene-2-sulfonic acid

CROCEIN ORANGE G

sodium,formaldehyde,6-hydroxynaphthalene-2-sulfonic acid,3-methylphenol,4-methylphenolate

tetrasodium,2-[(2-hydroxy-5-sulfonatophenyl)hydrazinylidene]-6-[[6-[(2-hydroxy-5-sulfonatophenyl)hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-2-yl]carbamoylamino]-3-oxonaphthalene-1-sulfonate

sodium,4-[[(Z)-3-hydroxybut-2-enoyl]amino]naphthalene-1-sulfonate

(3Z)-4-oxo-3-[[4-[(6-sulfonaphthalen-2-yl)carbamoyl]phenyl]hydrazinylidene]naphthalene-1-sulfonic acid

1-Naphthalenesulfonic acid, 3-[2-[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]diazenyl]-4-hydroxy-, sodium salt

sodium,7-acetamido-3-[[2-(benzenesulfonylsulfamoyl)phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate

2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4- sulfophenyl)diazenyl]-, aluminum salt (1:1)

1-AMINO-2-NAPHTHOL-4-SULFONIC ACID

4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid

7-[(4-aminobenzoyl)amino]-4-hydroxynaphthalene-2-sulfonic acid

(3E)-7-amino-3-[[2-methoxy-4-[(3-sulfophenyl)diazenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonic acid,2-[bis(2-hydroxyethyl)amino]ethanol

5-[2-(4-aminophenyl)hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonic acid

Naphthylamine Brown F

sodium,6-imino-4-oxo-5-[2-(2-phenoxysulfonylphenyl)hydrazinyl]naphthalene-2-sulfonate

disodium,(3E)-7-acetamido-4-oxo-3-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]naphthalene-2-sulfonate