Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 4,5Dihydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,4,5-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 83-65-8

Name: 4-Hydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,4-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 84-87-7

Name: 8hydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,8-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 117-22-6

Name: 7-Hydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,7-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 132-57-0

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