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: 4-Hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,-4-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 3771-14-0

Name: 5-Hydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic,5-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 117-59-9