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Archive for the 'Dye intermediates' Category

2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid

Name: 2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid CA Name: Metanilic acid,6,6-thiodi- Molecular Structure: Molecular Formula:C12H12N2O6S3 Molecular Weight: 376.43 CAS Registry Number: 118-86-5

2,2′-Disulfo-4,4,diaminobibenzene

Name: 2,2′-Disulfo-4,4,diaminobibenzene CA Name: [1,1′-Biphenyl]-2,2′-disulfonic acid,4,4,-diamino- Molecular Structure: Molecular Formula:C12H12N2O6S2 Molecular Weight: 344.36 CAS Registry Number: 117-61-3

4,4′-Diamino-3,3′-Biphenyldisulfonic acid

Name: 4,4′-Diamino-3,3′-Biphenyldisulfonic acid CA Name: 3,3′-Biphenyldisulfonic acid,4,4′-diamino- Molecular Structure: Molecular Formula:C12H12N2O6S2 Molecular Weight: 344.36 CAS Registry Number: 3365-90-0

4-(3-(Ethoxycarbonyl)-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid

Name: 4-(3-(Ethoxycarbonyl)-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid CA Name: 1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1 -(4-sulfophenyl)-,3-ethyl ester Molecular Structure: Molecular Formula:C12H12N2O6S Molecular Weight: 312.30 CAS Registry Number: 6402-06-8

2-Amino-4-(phenylsulfonamido)benzenesulfonic acid

Name: 2-Amino-4-(phenylsulfonamido)benzenesulfonic acid CA Name: Molecular Structure: Molecular Formula:C12H12N2O5S2 Molecular Weight: 328.36 CAS Registry Number: