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Archive for the 'Dye intermediates' Category

3-Hydroxynaphthalene-2,7-disulfonic acid

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

Naphthalene-2,7-disulfonic acid

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

4,7-Dihydroxynaphthalene-2-sulfonic acid

Name: 4,7-Dihydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,4,7-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6357-94-4

4,6-Dihydroxynaphthalene-1-sulfonic acid

Name: 4,6-Dihydroxynaphthalene-1-sulfonic acid CA Name: 1-Naphthalenesulfonic acid,4,6-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6362-21-6

4,6-Dihydroxynaphthalene-2-sulfonic acid

Name: 4,6-Dihydroxynaphthalene-2-sulfonic acid CA Name: 2-Naphthalenesulfonic acid,4,6-dihydroxy- Molecular Structure: Molecular Formula:C10H8O5S Molecular Weight: 240.23 CAS Registry Number: 6357-93-3