Dye|Dye intermediates|Fluorescent Brightener|pigment dye

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

Name: 6-Hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,6-hydroxy- Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 93-01-6

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: 7-Hydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,7-hydroxy-,monosodiumsalt Molecular Structure: Molecular Formula:C10H8O4S Molecular Weight: 224.23 CAS Registry Number: 135-55-7