Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 1-Naphthol-4,7-disulfonic acid CA Name: 1,6-Naphthalenedisulfonic acid,4-hydroxy- Molecular Structure: Molecular Formula:C10HO7S2 Molecular Weight: 304.27 CAS Registry Number: 6361-37-1

Name: 2-Naphthol-5,7-disulfonic acid CA Name: 1,3-Naphthalenedisulfonic acid,6-hydroxy- Molecular Structure: Molecular Formula:C10H8O7S2 Molecular Weight: 304.27 CAS Registry Number: 575-05-3

Name: 3-Hydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,3-hydroxy-,disodium salt Molecular Structure: Molecular Formula:C10H8O7S2 Molecular Weight: 304.27 CAS Registry Number: 135-51-3

Name: Naphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid Molecular Structure: Molecular Formula:C10H8O6S2 Molecular Weight: 288.30 CAS Registry Number: 92-41-1