Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: Naphthalen-1-ol CA Name: 1-Naphthalenol Molecular Structure: Molecular Formula:C10H8O Molecular Weight: 144.17 CAS Registry Number: 90-15-3

Name: 5-Oxo-1-(2-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid CA Name: 1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-(2-sulfophenyl)- Molecular Structure: Molecular Formula:C10H8N2O6S Molecular Weight: 284.25 CAS Registry Number: 6402-05-7

Name: 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid CA Name: 1H-pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-(4-sulfophenyl)- Molecular Structure: Molecular Formula:C10H8N2O6S Molecular Weight: 284.25 CAS Registry Number: 118-47-8

Name: 4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,4-amino-3-hydroxy-7-nitro- Molecular Structure: Molecular Formula:C10H8N2O6S Molecular Weight: 284.25 CAS Registry Number: 6259-63-8

Name: 5-Amino-8-nitronaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,5-amino-8-nitro- Molecular Structure: Molecular Formula:C10H8N2O9S Molecular Weight: 268.25 CAS Registry Number: 6357-74-0