Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 4-Aminonaphthalene-1,7-disulfonic acid CA Name: 1,7-Naphthalenedisulfonic acid,4-amino- Molecular Structure: Molecular Formula:C10H9NO6S2 Molecular Weight: 303.31 CAS Registry Number: 85-74-5

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: 1-Naphthol-3,7-disulfonic acid CA Name: 2,6-Naphthalenedisulfonic acid,4-hydroxy- Molecular Structure: Molecular Formula:C10H8O7S2 Molecular Weight: 304.27 CAS Registry Number: 6483-80-3

Name: 4-Hydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,4-hydroxy- Molecular Structure: Molecular Formula:C10H8O7S2 Molecular Weight: 304.27 CAS Registry Number: 578-85-8

Name: 1-Naphthol-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,1-hydroxy- Molecular Structure: Molecular Formula:C10H8O7S2 Molecular Weight: 304.27 CAS Registry Number: 6470-96-8