Dye|Dye intermediates|Fluorescent Brightener|pigment dye

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

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

Name: 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid CA Name: Benzenesulfonic acid,2,5-dichloro-4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- Molecular Structure: Molecular Formula:C10H8Cl2N2O4S Molecular Weight: 323.15 CAS Registry Number: 84-57-1