1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt

Diazo dye intermediate

1,4-Diketo-3,6-bis(4-biphenylyl)pyrrolo(3,4-C)pyrrole

organic pigment for plastics and paints

4-Methyl-2-nitroaniline

intermediate for dyes and pigments

1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone

Dye intermediate

3-(3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-1-yl)benzenesulfonic acid

Dye and pigment intermediate

4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid

Pyrazolone dye intermediate