Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 4,5-Diamino-1-naphthalenesulfonic acid CA Name: 1-Naphthalenesulfonic acid,4,5-diamino- Molecular Structure: Molecular Formula:C10H10N2O3S Molecular Weight: 238.26 CAS Registry Number: 6362-18-1

Name: 4,5-Dihydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy- Molecular Structure: Molecular Formula:C10H8O8S2 Molecular Weight: 320.27 CAS Registry Number: 148-25-4

Name: 4,7-Dihydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,4,7-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6357-94-4

Name: 4,6-Dihydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,4,6-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6362-21-6

Name: 4,6-Dihydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,4,6-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6357-93-3