CAS NO:135-76-2;15883-56-4

EC NO:205-218-1;240-019-3

Molecular Formula:C₁₀H₇NaO₄S

Molecular Weight:246.2149

Synonyms:;2-Naphthol-6-sulfonic acid, sodium salt;2-Naphthalenesulfonic acid, 6-hydroxy-, sodium salt (1:?);2-Naphthalenesulfonic acid, 6-hydroxy-, sodium salt;Sodium 6-hydroxynaphthalene-2-sulphonate;6-hydroxy-2-naphthalenesulfonic acid,sodium salt;

Molecular Structure:

CAS NO:833-66-9

EC NO:212-631-0

Molecular Formula:C₁₀H₇KO₄S

Molecular Weight:262.3235

Synonyms:2-Naphthalenesulfonic acid, 6-hydroxy-, potassium salt (1:1);2-Naphthalenesulfonic acid, 6-hydroxy-, monopotassium salt;Schaeffer's acid, monopotassium salt;Potassium 6-hydroxynaphthalene-2-sulphonate;Schaeffer's Acid Potassium Salt;potassium 6-hydroxynaphthalene-2-sulfonate;2-Naphthol-6-Sulfonic Acid, Potassium Salt;2-Naphthol-6-Sulfonic Acid Potassium Salt;o-Cresotinic Acid;

Molecular Structure:

CAS NO:6535-70-2

EC NO:229-445-0

Molecular Formula:C₁₀H₉NO₇S₂

Molecular Weight:319.311

Synonyms:;2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid;3-Amino-4,6-disulfo-8-hydroxynaphthalene;3-Amino-8-hydroxy-4,6-disulfonaphthalene;3-Amino-8-naphthol-4,6-disulfonic acid;6-Amino-1-hydroxy-3,5-naphthalenedisulfonic acid;6-Amino-1-naphthol-3,5-disulfonic acid;7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid;2-Amino-5-Naphthol-1,7-Disulfonic Acid;Sulfo J Acid;Sulpho J Acid;

Molecular Structure: