Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid CA Name: 1,7-Naphthalenedisulfonic acid,2-amino-5-hydroxy- Molecular Structure: Molecular Formula:C10H9NO7S2 Molecular Weight: 319.31 CAS Registry Number: 6535-70-2

Name: 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,4-amino-5 -hydroxy- ,monsodium salt Molecular Structure: Molecular Formula:C10H9NO7S2 Molecular Weight: 319.31 CAS Registry Number: 5460-09-3

Name: 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,3-amino-5-hydroxy- Molecular Structure: Molecular Formula:C10H9NO7S2 Molecular Weight: 319.31 CAS Registry Number: 90-40-4

Name: 3-Aminonaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,3-amino- Molecular Structure: Molecular Formula:C10H9NO6S2 Molecular Weight: 303.31 CAS Registry Number: 92-28-4

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