Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 8-Amino-4-hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,8-amino-4-hydroxy- Molecular Structure: Molecular Formula:C10H9NO4S Molecular Weight: 239.25 CAS Registry Number: 489-78-1

Name: 7-Amino-4-hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,7-amino-4-hydroxy- Molecular Structure: Molecular Formula:C10H9NO4S Molecular Weight: 239.25 CAS Registry Number: 87-02-5

Name: 6-Amino-7-hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,6-amino-7-hydroxy- Molecular Structure: Molecular Formula:C10H9NO4S Molecular Weight: 239.25 CAS Registry Number: 6399-72-0

Name: 8-Aminonaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,8-amino- Molecular Structure: Molecular Formula:C10H9NO3S Molecular Weight: 223.25 CAS Registry Number: 119-28-8

Name: 6-Aminonaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,6-amino- Molecular Structure: Molecular Formula:C10H9NO3S Molecular Weight: 223.25 CAS Registry Number: 93-00-5